21 results on '"C. LaDuke"'
Search Results
2. Savanna chimpanzees (Pan troglodytes verus) in Senegal react to deadly snakes and other reptiles: Testing the snake detection hypothesis
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Jill D. Pruetz, Thomas C. LaDuke, and K. Dobson
- Abstract
The hypothesis that dangerous snakes served as evolutionary selective pressures on traits characterizing the Order Primates (Snake Detection Hypothesis, SDH), specifically vision and aspects of the brain, has received recent attention. We provide data on 52 encounters between chimpanzees (Pan troglodytes verus) in a savanna landscape and snakes and other large reptiles at the Fongoli site in Senegal, over the course of eight years. These encounters yielded data on 178 interactions between identified individual chimpanzees and reptiles. The majority of encounters with identified reptiles (62%) involved potentially deadly snakes. Constrictors of the family Pythonidae were encountered more frequently than any other reptile. Chimpanzees exhibited a variety of reactions to reptiles, ranging from attacking with objects to ignoring them. Even reptiles other than snakes were met with some degree of alarm when they were in water or moving quickly. We assessed variables that may affect apes’ reactions, as well as the age-sex class of chimpanzees. As a test of Isbell’s snake detection hypothesis, we examined chimpanzees’ reaction intensity to venomous versus constricting snakes but found no difference. We did find significant age-sex differences in chimpanzees’ reactions to snakes, with adolescent males exhibiting higher-intensity reactions than adult males and females and adolescent female chimpanzees. Chimpanzees reacted at significantly higher intensities when snakes were arboreal in location, but reptile species, size, and activity did not significantly influence individuals’ reactions to snakes. We also report one inferred encounter between an adult female chimpanzee and a venomous snake, which led to her death. Our data suggest that snakes are significant threats to chimpanzees in savanna environments and support the hypothesis that danger from snakes could have exerted significant evolutionary pressure on the Order Primates.
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- 2022
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3. A-226 Identifying Performance Validity Indices within the NIH Toolbox
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S, Monaghan, primary and C, Laduke, additional
- Published
- 2020
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4. Habitat Use and Activity Budgets of Emerald Basilisks (Basiliscus plumifrons) in Northeast Costa Rica
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Matthew S. Lattanzio and Thomas C. LaDuke
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education.field_of_study ,biology ,Ecology ,Foraging ,Population ,Vegetation ,Aquatic Science ,biology.organism_classification ,Intraspecific competition ,Habitat ,Dry season ,Juvenile ,Animal Science and Zoology ,education ,Ecology, Evolution, Behavior and Systematics ,Basiliscus - Abstract
Variation in individual activity budgets may have important impacts for the long-term fitness of a population, yet our understanding of the factors shaping activity remains limited. Here, we report on intraspecific activity budget variation and the factors influencing it within a population of emerald basilisk (Basiliscus plumifrons) lizards in Costa Rica. Because behavioral variation may have a seasonal component, we monitor activity across both a wet and dry season. All basilisks exhibited similar frequencies of behavior throughout the day, with the exception of foraging rate. Adult females foraged more often than adult males or juveniles, possibly to satisfy higher expected energetic demands during the reproductive season. Juvenile and adult lizards occupied separate habitats characterized by significant differences in vegetation structure. In particular, juvenile lizards were more frequently observed in open, grassier habitats that were closer to water than adults. Juveniles may reduce their chances o...
- Published
- 2012
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5. Grand Rounds
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G. Fayolle, W. Levick, R. Lajiness-O'Neill, P. Fastenau, S. Briskin, N. Bass, M. Silva, E. Critchfield, R. Nakase-Richardson, J. Hertza, A. Loughan, R. Perna, S. Northington, S. Boyd, A. Anderson, S. Peery, M. Chafetz, M. Maris, A. Ramezani, C. Sylvester, K. Goldberg, M. Constantinou, M. Karekla, J. Hall, M. Edwards, V. Balldin, A. Strutt, V. Pavlik, C. Marquez de la Plata, M. Cullum, l. lacritz, J. Reisch, P. Massman, D. Royall, R. Barber, S. Younes, A. Wiechmann, S. O'Bryant, K. Patel, J. Suhr, S. Chari, J. Yokoyama, B. Bettcher, A. Karydas, B. Miller, J. Kramer, R. Zec, S. Fritz, S. Kohlrus, R. Robbs, T. Ala, K. Gifford, N. Cantwell, R. Romano, A. Jefferson, A. Holland, S. Newton, J. Bunting, M. Coe, J. Carmona, D. Harrison, A. Puente, D. Terry, C. Faraco, C. Brown, A. Patel, A. Watts, A. Kent, J. Siegel, S. Miller, W. Ernst, G. Chelune, J. Holdnack, J. Sheehan, K. Duff, O. Pedraza, J. Crawford, L. Miller, V. Hobson Balldin, H. Benavides, L. Johnson, L. Tshuma, N. Dezhkam, L. Hayes, C. Love, B. Stephens, F. Webbe, K. Mulligan, K. Dunham, S. Shadi, C. Sofko, R. Denney, S. Rolin, J. Sibson, S. Ogbeide, M. Glover, A. Warchol, B. Hunter, C. Nichols, C. Riccio, M. Cohen, A. Dennison, T. Wasserman, S. Schleicher-Dilks, M. Adler, C. Golden, T. Olivier, B. LeMonda, J. McGinley, A. Pritchett, L. Chang, C. Cloak, E. Cunningham, G. Lohaugen, J. Skranes, T. Ernst, E. Parke, N. Thaler, L. Etcoff, D. Allen, P. Andrews, S. McGregor, R. Daniels, N. Hochsztein, E. Miles-Mason, Y. Granader, M. Vasserman, W. MacAllister, B. Casto, K. Patrick, F. Hurewitz, D. Chute, A. Booth, C. Koch, G. Roid, N. Balkema, J. Kiefel, L. Bell, A. Maerlender, T. Belkin, J. Katzenstein, C. Semerjian, V. Culotta, E. Band, R. Yosick, T. Burns, A. Arenivas, D. Bearden, K. Olson, K. Jacobson, S. Ubogy, C. Sterling, E. Taub, A. Griffin, T. Rickards, G. Uswatte, D. Davis, K. Sweeney, A. Llorente, A. Boettcher, B. Hill, D. Ploetz, J. Kline, M. Rohling, J. O'Jile, K. Holler, V. Petrauskas, J. Long, J. Casey, T. Duda, S. Hodsman, S. Stricker, S. Martner, R. Hansen, F. Ferraro, R. Tangen, A. Hanratty, M. Tanabe, E. O'Callaghan, B. Houskamp, L. McDonald, L. Pick, D. Guardino, T. Pietz, K. Kayser, R. Gray, A. Letteri, A. Crisologo, G. Witkin, J. Sanders, M. Mrazik, A. Harley, M. Phoong, T. Melville, D. La, R. Gomez, L. Berthelson, J. Robbins, E. Lane, P. Rahman, L. Konopka, A. Fasfous, D. Zink, N. Peralta-Ramirez, M. Perez-Garcia, S. Su, G. Lin, T. Kiely, A. Schatzberg, J. Keller, J. Dykstra, M. Feigon, L. Renteria, M. Fong, L. Piper, E. Lee, J. Vordenberg, C. Contardo, S. Magnuson, N. Doninger, L. Luton, D. Drane, A. Phelan, W. Stricker, A. Poreh, F. Wolkenberg, J. Spira, J. DeRight, R. Jorgensen, L. Fitzpatrick, S. Crowe, S. Woods, K. Doyle, E. Weber, M. Cameron, J. Cattie, C. Cushman, I. Grant, K. Blackstone, D. Moore, B. Roberg, M. Somogie, J. Thelen, C. Lovelace, J. Bruce, A. Gerstenecker, B. Mast, I. Litvan, D. Hargrave, R. Schroeder, W. Buddin, L. Baade, R. Heinrichs, J. Boseck, K. Berry, E. Koehn, A. Davis, B. Meyer, B. Gelder, Z. Sussman, P. Espe-Pfeifer, M. Musso, A. Barker, G. Jones, W. Gouvier, V. Johnson, L. Zaytsev, M. Freier-Randall, G. Sutton, E. Ringdahl, J. Olsen, D. Byrd, M. Rivera-Mindt, R. Fellows, S. Morgello, V. Wheaton, S. Jaehnert, C. Ellis, H. Olavarria, J. Loftis, M. Huckans, P. Pimental, J. Frawley, M. Welch, K. Jennette, E. Rinehardt, M. Schoenberg, L. Strober, H. Genova, G. Wylie, J. DeLuca, N. Chiaravalloti, E. Ibrahim, A. Seiam, S. Bohlega, H. Lloyd, M. Goldberg, J. Marceaux, R. Fallows, K. McCoy, N. Yehyawi, E. Luther, R. Hilsabeck, R. Fulton, P. Stevens, S. Erickson, P. Dodzik, R. Williams, J. Dsurney, L. Najafizadeh, J. McGovern, F. Chowdhry, A. Acevedo, A. Bakhtiar, N. Karamzadeh, F. Amyot, A. Gandjbakhche, M. Haddad, M. Johnson, J. Wade, L. Harper, A. Barghi, V. Mark, G. Christopher, D. Marcus, M. Spady, J. Bloom, A. Zimmer, M. Miller, D. Schuster, H. Ebner, B. Mortimer, G. Palmer, M. Happe, J. Paxson, B. Jurek, J. Graca, J. Meyers, R. Lange, T. Brickell, L. French, G. Iverson, J. Shewchuk, B. Madler, M. Heran, J. Brubacher, B. Ivins, M. Baldassarre, T. Paper, A. Herrold, A. Chin, D. Zgaljardic, K. Oden, M. Lambert, S. Dickson, R. Miller, P. Plenger, E. Sutherland, C. Glatts, P. Schatz, K. Walker, N. Philip, S. McClaughlin, S. Mooney, E. Seats, V. Carnell, J. Raintree, D. Brown, C. Hodges, E. Amerson, C. Kennedy, J. Moore, C. Ferris, T. Roebuck-Spencer, A. Vincent, C. Bryan, D. Catalano, A. Warren, K. Monden, S. Driver, P. Chau, R. Seegmiller, M. Baker, S. Malach, J. Mintz, R. Villarreal, A. Peterson, S. Leininger, C. Strong, J. Donders, V. Merritt, G. Vargas, A. Rabinowitz, P. Arnett, E. Whipple, M. Schultheis, K. Robinson, D. Iacovone, R. Biester, D. Alfano, M. Nicholls, P. Klas, E. Jeffay, K. Zakzanis, M. Vandermeer, M. Womble, E. Corley, C. Considine, N. Fichtenberg, J. Harrison, M. Pollock, A. Mouanoutoua, A. Brimager, P. Lebby, K. Sullivan, S. Edmed, K. Kieffer, M. McCarthy, L. Wiegand, H. Lindsey, M. Hernandez, Y. Noniyeva, Y. Lapis, M. Padua, J. Poole, B. Brooks, C. McKay, W. Meeuwisse, C. Emery, A. Mazur-Mosiewicz, E. Sherman, M. Kirkwood, J. Gunner, A. Miele, G. Silk-Eglit, J. Lynch, R. McCaffrey, J. Stewart, J. Tsou, D. Scarisbrick, R. Chan, A. Bure-Reyes, L. Cortes, S. Gindy, C. Biddle, D. Shah, P. Jaberg, R. Moss, M. Horner, K. VanKirk, C. Dismuke, T. Turner, W. Muzzy, M. Dunnam, G. Warner, K. Donnelly, J. Donnelly, J. Kittleson, C. Bradshaw, M. Alt, S. Margolis, E. Ostroy, K. Higgins, K. Eng, S. Akeson, J. Wall, J. Davis, J. Hansel, B. Wang, R. Gervais, M. Greiffenstein, J. Denning, E. VonDran, E. Campbell, C. Brockman, G. Teichner, R. Waid, B. Buican, P. Armistead-Jehle, J. Bailie, A. Dilay, M. Cottingham, C. Boyd, S. Asmussen, J. Neff, S. Schalk, L. Jensen, J. DenBoer, S. Hall, E. Holcomb, B. Axelrod, G. Demakis, C. Rimland, J. Ward, M. Ross, M. Bailey, A. Stubblefield, J. Smigielski, J. Geske, V. Karpyak, C. Reese, G. Larrabee, L. Allen, M. Celinski, J. Gilman, C. LaDuke, D. DeMatteo, K. Heilbrun, T. Swirsky-Sacchetti, A. Dedman, K. Withers, T. Deneen, J. Fisher, B. Spray, R. Savage, H. Wiener, J. Tyer, V. Ningaonkar, B. Devlin, R. Go, V. Sharma, R. Fontanetta, C. Calderon, S. Coad, R. Fontaneta, M. Vertinski, R. Verbiest, J. Snyder, J. Kinney, A. Rach, J. Young, E. Crouse, D. Schretlen, J. Weaver, A. Buchholz, B. Gordon, S. Macciocchi, R. Seel, R. Godsall, J. Brotsky, A. DiRocco, E. Houghton-Faryna, E. Bolinger, C. Hollenbeck, J. Hart, B. Lee, G. Strauss, J. Adams, D. Martins, L. Catalano, J. Waltz, J. Gold, G. Haas, L. Brown, J. Luther, G. Goldstein, E. Kelley, C. Raba, L. Trettin, H. Solvason, R. Buchanan, D. Baldock, J. Etherton, T. Phelps, S. Richmond, B. Tapscott, S. Thomlinson, L. Cordeiro, G. Wilkening, M. Parikh, L. Graham, M. Grosch, L. Hynan, M. Weiner, C. Cullum, C. Menon, L. Lacritz, M. Castro-Couch, F. Irani, A. Houshyarnejad, M. Norman, F. Fonseca, B. Browne, J. Alvarez, Y. Jiminez, V. Baez, C. Resendiz, B. Scott, G. Farias, M. York, V. Lozano, M. Mahoney, M. Hernandez Mejia, E. Pacheco, A. Homs, R. Ownby, J. Nici, J. Hom, J. Lutz, R. Dean, H. Finch, S. Pierce, J. Moses, S. Mann, J. Feinberg, A. Choi, M. Kaminetskaya, C. Pierce, M. Zacharewicz, B. Gavett, J. Horwitz, J. Ory, K. Carbuccia, L. Morra, S. Garcon, M. Lucas, P. Donovick, K. Whearty, K. Campbell, S. Camlic, D. Brinckman, L. Ehrhart, V. Weisser, J. Medaglia, A. Merzagora, G. Reckess, T. Ho, S. Testa, H. Woolery, C. Farcello, N. Klimas, J. Meyer, F. Barwick, K. Drayer, J. Galusha, A. Schmitt, R. Livingston, R. Stewart, L. Quarles, M. Pagitt, C. Barke, A. Baker, N. Baker, N. Cook, D. Ahern, S. Correia, L. Resnik, K. Barnabe, D. Gnepp, M. Benjamin, Z. Zlatar, A. Garcia, S. Harnish, B. Crosson, L. Vaughan, A. Fedio, J. Sexton, S. Cummings, A. Logemann, N. Lassiter, P. Fedio, A. Gremillion, D. Nemeth, T. Whittington, J. Reckow, C. Lewandowski, J. Cole, A. Lewandowski, J. Spector, L. Ford-Johnson, J. Lengenfelder, J. Sumowski, C. Morse, J. McKeever, L. Zhao, T. Leist, J. Marcinak, K. Piecora, K. Al-Khalil, P. Martin, L. Thompson, W. Kowalczyk, S. Golub, E. Lemann, J. Piehl, N. Rita, L. Moss, R. Nogin, C. Drapeau, S. Malm, L. Armstrong, R. Glidewell, W. Orr, G. Mears, C. Allen, E. Pierson, B. Kavanaugh, F. Tayim, S. Llanes, K. Poston, J. Beathard, P. Stolberg, W. Jones, J. Mayfield, J. Weller, P. Demireva, K. McInerney, T. Riddle, M. Primus, J. Highsmith, D. Everhart, K. Lehockey, S. Sullivan, S. Mandava, B. Murphy, L. Lalwani, M. Rosselli, R. Carrasco, S. Zuckerman, J. Brand, M. Rivera Mindt, S. Schaffer, K. Alper, O. Devinsky, W. Barr, K. Langer, J. Fraiman, J. Scagliola, E. Roman, A. Martinez, K. Konopacki, A. Juliano, D. Whiteside, G. Widmann, M. Franzwa, B. Sokal, E. Morgan, M. Bondi, L. Delano-Wood, R. Cormier, N. Cumley, M. Elek, M. Green, A. Kruger, L. Pacheco, G. Robinson, H. Welch, D. Parriott, S. Loe, L. Hughes, L. Natta, W. Quenicka, K. McGoldirck, T. Bennett, H. Soper, S. Collier, M. Connolly, M. Di Pinto, E. Handel, K. Davidson, E. Livers, S. Frantz, J. Allen, T. Jerard, S. Sakhai, S. Barney, K. McGoldrick, J. Sordahl, N. Torrence, and S. John
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Psychiatry and Mental health ,Clinical Psychology ,Neuropsychology and Physiological Psychology ,General Medicine - Published
- 2012
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6. Optimization of a multiplex PCR analysis for Crotalus horridus
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Chinnici, C. Laduke, and Januszkiewicz
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biology ,Multiplex polymerase chain reaction ,Crotalus ,biology.organism_classification ,Virology - Published
- 2018
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7. A Late Cretaceous (Maastrichtian) snake assemblage from the Maevarano Formation, Mahajanga Basin, Madagascar
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Thomas C. LaDuke, David W. Krause, Nathan J. Kley, and John D. Scanlon
- Subjects
Paleontology ,biology ,Maevarano Formation ,Genus ,Madtsoia ,Assemblage (archaeology) ,Kelyophis ,Madtsoiidae ,Menarana ,biology.organism_classification ,Cretaceous - Abstract
A Late Cretaceous (Maastrichtian) assemblage of snakes from the Maevarano Formation of the Mahajanga Basin, northwestern Madagascar, constitutes the only fossil record of snakes from the island. The assemblage, which lived in a highly seasonal, semi-arid climate, includes only archaic forms belonging to the Madtsoiidae and Nigerophiidae, and therefore no representatives of extant Malagasy clades. A large sample of exquisitely preserved vertebrae and several ribs are assigned to Madtsoia madagascariensis, a long (almost 8 m), heavy-bodied ambush predator inferred to have subdued its prey via constriction. A new madtsoiid genus and species, Menarana nosymena, is represented by several associated vertebrae and rib fragments, and part of the basicranium. It was approximately 2.4 m long and appears to have been a powerful, head-first burrower, or at least to have had a burrowing ancestry. Kelyophis hechti, by far the smallest snake in the assemblage (
- Published
- 2010
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8. AGR-1Progression of HIV-associated Neurocognitive Disorder in the Context of Combined Antiretroviral Therapy
- Author
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C LaDuke and W Barr
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medicine.medical_specialty ,Psychotherapist ,business.industry ,Context (language use) ,General Medicine ,HIV-associated neurocognitive disorder ,medicine.disease ,Antiretroviral therapy ,Psychiatry and Mental health ,Clinical Psychology ,Neuropsychology and Physiological Psychology ,AIDS dementia complex ,medicine ,Psychiatry ,business - Published
- 2016
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9. Brief communication: Reaction to fire by savanna chimpanzees (Pan troglodytes verus) at Fongoli, Senegal: Conceptualization of âfire behaviorâ and the case for a chimpanzee model
- Author
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Jill D. Pruetz and Thomas C. LaDuke
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Male ,Behavior, Animal ,Pan troglodytes ,Conceptualization ,biology ,Ecology ,Pongidae ,Troglodytes ,Models, Theoretical ,biology.organism_classification ,Fires ,Senegal ,Fire control ,Geography ,Human evolution ,Anthropology ,biology.animal ,Trait ,Animals ,Female ,Primate ,Anatomy ,Clade - Abstract
The use and control of fire are uniquely human traits thought to have come about fairly late in the evolution of our lineage, and they are hypothesized to correlate with an increase in intellectual complexity. Given the relatively sophisticated cognitive abilities yet small brain size of living apes compared to humans and even early hominins, observations of wild chimpanzees' reactions to naturally occurring fire can help inform hypotheses about the likely responses of early hominins to fire. We use data on the behavior of savanna chimpanzees (Pan troglodytes verus) at Fongoli, Senegal during two encounters with wildfires to illuminate the similarities between great apes and humans regarding their reaction to fire. Chimpanzees' close relatedness to our lineage makes them phylogenetically relevant to the study of hominid evolution, and the open, hot and dry environment at Fongoli, similar to the savanna mosaic thought to characterize much of hominid evolution, makes these apes ecologically important as a living primate model as well. Chimpanzees at Fongoli calmly monitor wildfires and change their behavior in anticipation of the fire's movement. The ability to conceptualize the "behavior" of fire may be a synapomorphic trait characterizing the human-chimpanzee clade. If the cognitive underpinnings of fire conceptualization are a primitive hominid trait, hypotheses concerning the origins of the control and use of fire may need revision. We argue that our findings exemplify the importance of using living chimpanzees as models for better understanding human evolution despite recently published suggestions to the contrary.
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- 2009
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10. The fossil snakes of pit 91, Rancho La Brea, California
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Thomas C. LaDuke
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Geography - Published
- 1991
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11. Dementia and competency to stand trial in the United States: A case law review.
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Miller DR and LaDuke C
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- Humans, United States, Aged, Male, Female, Criminal Law, Aged, 80 and over, Middle Aged, Mental Competency legislation & jurisprudence, Dementia
- Abstract
Objective: Competency to stand trial (CST) is foundational to the U.S. criminal legal system. Dementia is increasingly prevalent in the United States, and older adults are becoming involved with the U.S. criminal legal system at unprecedented rates, which carries significant implications for legal professionals and clinicians involved in CST cases. Unfortunately, CST research to date has largely excluded considerations of dementia and aging. The present study addressed this gap by reviewing U.S. case law related to dementia and CST., Hypotheses: The present study had no hypotheses because of its descriptive nature., Method: This was a case law review of 118 U.S. court cases involving dementia and CST from 2002 through 2022. Relevant information was coded about the legal case, defendant demographics, clinical evaluation(s), and court determination., Results: Competency was mostly raised by the defense (81%). Similar percentages of defendants were involved in one, two, and three or more evaluations, mostly conducted by experts appointed by courts or retained by the defense. Trends for court determinations were based on the number of evaluations conducted and experts' (dis)agreement about diagnosis and CST recommendation. Ultimately, 45% of defendants were determined incompetent, with trends appearing for dementia diagnosis, cognitive deficits, index offense, and jurisdiction, but not age. Ability to assist was the most cited reason for determinations of incompetence, often in combination with both factual and rational understanding or one of these psycholegal abilities alone., Conclusions: Dementia and related impairments appear especially relevant to CST among older adults and carry important implications for clinicians, legal professionals, and policymakers. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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- 2024
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12. The prevalence of traumatic brain injury (TBI) among people impacted by the criminal legal system: An updated meta-analysis and subgroup analyses.
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Hunter S, Kois LE, Peck AT, Elbogen EB, and LaDuke C
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- Adult, Humans, Prevalence, Reproducibility of Results, Longitudinal Studies, Criminals, Brain Injuries, Traumatic epidemiology, Brain Injuries, Traumatic diagnosis
- Abstract
Objective: Traumatic brain injury (TBI) is a significant public health concern and has implications for people directly impacted by the criminal legal system during arrest, conviction, incarceration, and community supervision. This meta-analysis estimated the lifetime prevalence of TBI among people supervised by the criminal legal system across settings., Hypotheses: Building on previous research, we hypothesized that prevalence estimates would be impacted by methodological, clinical, and demographic factors., Method: Eligible studies included those with adult participants supervised by the criminal legal system (i.e., prison, jail, probation, parole, inpatient/forensic hospital) and that provided sample TBI prevalence and method of ascertaining TBI history. We employed subgroup analyses and metaregression to investigate the effects of setting, TBI definition and method of detection, lifetime history of mental illness and substance use disorders, and gender., Results: The sample ultimately included 64 studies totaling 52,540 participants. Using a random-effects model and logit transformation, we found that the overall estimate of TBI prevalence was 45.8% (95% confidence interval, CI [37.8, 54.1], 95% prediction interval, PI [5.5, 92.5]) across all studies and 32.0% (95% CI [25.0, 39.8], 95% PI [11.2, 63.6]) for moderate-to-severe TBI. Significant effects were found for TBI definition and method of detection on the pooled estimate., Conclusions: The prevalence of TBI among people impacted by the criminal legal system may be larger than in the general population. However, despite recent and ongoing progress in this area of study, the reliability of prevalence estimates remains limited by methodological factors related to TBI definitions and detection methods. Implications for TBI research and clinical service provision are discussed. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
- Published
- 2023
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13. The incidence of spontaneous arrhythmias in telemetered beagle dogs, Göttingen Minipigs and Cynomolgus non-human primates: A HESI consortium retrospective analysis.
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Boulay E, Miraucourt LS, Pugsley MK, Abernathy MM, Chui R, Dalton J, Demers M, Dybdal N, Gazaille E, Greiter-Wilke A, Hoffmann P, Huang H, LaDuke C, Norton K, Pierson JB, Reeves I, Roche B, Rossman EI, Schultze AE, Tang HM, Wisialowski T, and Authier S
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- Animals, Dogs, Swine, Male, Female, Swine, Miniature, Incidence, Retrospective Studies, Electrocardiography, Arrhythmias, Cardiac, Telemetry
- Abstract
Introduction: Characterization of the incidence of spontaneous arrhythmias to identify possible drug-related effects is often an important part of the analysis in safety pharmacology studies using telemetry., Methods: A retrospective analysis in non-clinical species with and without telemetry transmitters was conducted. Electrocardiograms (24 h) from male and female beagle dogs (n = 131), Göttingen minipigs (n = 108) and cynomolgus non-human primates (NHP; n = 78) were analyzed., Results: Ventricular tachycardia (VT) was observed in 3% of the dogs but was absent in minipigs and NHPs. Ventricular fibrillation (VF) was not observed in the 3 species. Ventricular premature beats (VPBs) were more frequent during daytime and atrioventricular blocks (AVBs) were more frequent at night in all species. A limited number of animals exhibited a high arrhythmia frequency and there was no correlation between animals with higher frequency of an arrhythmia type and the frequency of other arrythmias in the same animals. Clinical chemistry or hematology parameters were not different with or without telemetry devices. NHP with a transmural left ventricular pressure (LVP) catheter exhibited a greater incidence of VPBs and PJCs compared to telemetry animals without LVP., Discussion: All species were similar with regards to the frequency of ventricular ectopic beats (26-46%) while the dog seemed to have more frequent junctional complexes and AVB compared to NHP and minipigs. Arrhythmia screening may be considered during pre-study evaluations, to exclude animals with abnormally high arrhythmia incidence., Competing Interests: Declaration of Competing Interest None of the authors has any conflicts of interest, other than their employment in commercial biopharmaceutical companies, academic institutions, or contract research organizations. No information is presented in this paper that advocates for or promotes commercial products from any of our organizations., (Copyright © 2023. Published by Elsevier Inc.)
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- 2023
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14. Neuropsychological deficits associated with medical conditions: Implications for psychological services in criminal legal settings.
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Hunter S, Kois LE, Gonzales L, Tussey CM, LaDuke C, and Elbogen EB
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- Humans, Criminals
- Abstract
Criminal legal system-involved populations are disproportionally impacted by chronic health conditions relative to the general population. These discrepancies are thought to be due to both health disparities and increased likelihood to engage in health-compromising behaviors. Medical conditions can significantly influence neuropsychological functioning and, in turn, thinking and behavior relevant to clinical forensic decision-making and psychological practice in criminal legal settings. The aim of this article is to review medical conditions commonly observed among system-involved populations-specifically cardiovascular disease, human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS), traumatic brain injury, cancer, diabetes, and medication side effects-and describe the complex and important links between these conditions, their associated neuropsychological deficits, and applications to psychological assessment and treatment in criminal legal settings. Ultimately, this discussion will be useful to staff providing psychological services in these settings by increasing their familiarity with these concepts, and providing practical applications to inform their case conceptualization, assessment, and treatment services with system-involved individuals. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
- Published
- 2022
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15. Religious conversion in an older male with longstanding epilepsy.
- Author
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Barr WB, Liu A, Laduke C, Nadkarni S, and Devinsky O
- Abstract
Religious experiences in epilepsy patients have provoked much interest with suggestions that hyperreligiosity is associated with temporal lobe seizures. Extreme varieties of religious behavior may be more frequent in epilepsy patients during ictal activity or during post-ictal psychotic episodes. We report a 75 year-old man with epilepsy who developed a progressive decline in cognition and behavior following a religious conversion 15 years earlier. He subsequently developed religious delusions of increasing severity and symptoms of Capgras syndrome. Brain imaging revealed bilateral posterior cortical atrophy, chronic right parieto-occipital encephalomalacia, and right mesial temporal sclerosis. Electroencephalograms and neuropsychological testing revealed initial right temporal lobe abnormalities followed by progressive frontal and bilateral dysfunction. The case highlights how a history of seizures, superimposed on sensory deprivation and a progressive impairment of right posterior and bilateral anterior brain function, may have contributed to religious conversion, which was followed by dementia and delusions involving religious content., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2022 The Authors.)
- Published
- 2022
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16. Respiratory Rates Derived From Arterial Blood Pressure Waveforms in Telemetered Dogs.
- Author
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Tang HM, Laduke C, Reynolds D, Carey C, Hahn S, and Friedrichs GS
- Subjects
- Adrenergic alpha-2 Receptor Agonists pharmacology, Animals, Dogs, Male, Purinergic P1 Receptor Antagonists pharmacology, Blood Pressure physiology, Dexmedetomidine pharmacology, Monitoring, Physiologic methods, Respiratory Rate physiology, Theophylline pharmacology
- Abstract
The objective of this study was to extract low frequency respiratory "artifacts" from a standard arterial blood pressure (ABP) waveform to simultaneously derive reliable breathing rates (BR). Arterial blood pressure derived BR values were characterized against respiratory rates simultaneously obtained from the Respiratory Inductive Plethysmography (RIP) system (EMKA). Reference compounds were introduced to evaluate responsiveness of the derived measures to respiratory depressants and stimulants. Male beagle dogs (n = 3) were instrumented with minimally invasive telemetry devices for measurements of ABP and heart rate. The RIP system was utilized simultaneously to collect respiratory rate, tidal volume, and minute volume of each animal following pharmacological challenges. Early results revealed the derived BR's from ABP waveforms did not correlate well with those measured from the RIP system. Post study X-ray visualization revealed suboptimal catheter positioning, causing poor concordance of BR tallied from the ABP waveforms. Follow-up evaluations were conducted using additional animals instrumented with the ABP catheter tip placement advanced proximal to the thoracic diaphragm. Preliminary data from this subset of animals significantly improved the correlation of BR derived from ABP and respiratory rates recorded by the RIP. This proof of concept investigation was intended to evaluate an algorithm designed to extract additional data from routine cardiac waveforms. We clearly demonstrated that with optimal blood pressure catheter placement and acquisition algorithm, a reliable breathing rate can also be extracted from safety studies without the need for additional studies/animals to capture those respiratory end points.
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- 2020
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17. Toward generally accepted forensic assessment practices among clinical neuropsychologists: a survey of professional practice and common test use.
- Author
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LaDuke C, Barr W, Brodale DL, and Rabin LA
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- Adult, Certification, Decision Making, Female, Humans, Male, Middle Aged, Procedures and Techniques Utilization, Surveys and Questionnaires, United States, Forensic Psychology standards, Neuropsychological Tests statistics & numerical data, Neuropsychology standards, Practice Patterns, Physicians', Professional Practice
- Abstract
Objective: This study investigated professional practice and common test use among clinical neuropsychologists engaging in forensic assessment., Method: Doctorate-level psychologists active in the practice of neuropsychology and on the INS and NAN membership listings (n = 502) were surveyed about their demographics, professional practice, and common test use. Participants who reported engaging in forensic practice (n = 255) were further surveyed about their forensic practice., Results: Forensic participants were more likely to be male and Caucasian, and reported higher ages, more years of professional experience, and a higher prevalence of board certification. While characteristics of their professional and forensic practice varied, forensic participants reported spending most of their professional time conducting neuropsychological assessments with adult clients in a private or group practice setting, focusing on civil referrals and civil legal questions involving older adult issues, developmental issues, head injury, and psychiatric issues. Common test use across neuropsychological assessment domains is presented for board-certified forensic participants (n = 77). An examination of these results reveals that the current pattern of test use is similar to the results of a more general survey of neuropsychological test use., Conclusions: The findings provide insight into the practice of forensic neuropsychological assessment, and further establish the admissibility of neuropsychological evidence in the United States legal system. Results will be useful for clinical neuropsychologists, field leaders, and legal professionals hoping to gain insight into the role of clinical neuropsychology in civil and criminal legal decision-making.
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- 2018
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18. The Neuropsychological Assessment of Justice-Involved Men: Descriptive Analysis, Preliminary Data, and a Case for Group-Specific Norms.
- Author
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LaDuke C, DeMatteo D, Heilbrun K, Gallo J, and Swirsky-Sacchetti T
- Subjects
- Adult, Age Factors, Humans, Male, Middle Aged, Reference Values, Regression Analysis, Reproducibility of Results, Retrospective Studies, Young Adult, Antisocial Personality Disorder diagnosis, Antisocial Personality Disorder psychology, Criminals psychology, Forensic Psychiatry, Neuropsychological Tests standards
- Abstract
Objective: Neuropsychological expertise has played an increasing role in legal decision-making in criminal contexts. Valid neuropsychological evidence in criminal forensic contexts requires normative data that are representative of justice-involved individuals. Unfortunately, existing normative data appear unlikely to represent justice-involved individuals due to significant demographic and clinical factors specific to this population. As a result, the interpretation of neuropsychological performance with justice-involved individuals using existing normative data may increase the risk of inaccurate description, invalid clinical conceptualization, misdiagnosis of impairment, and misattribution of deficits in functional-legal capacities. The current study aimed to examine the use of neuropsychological assessment with justice-involved men., Method: A sample of incarcerated men (N = 95) was assessed using a battery of demographic, clinical, and neuropsychological measures., Results: Descriptive analyses showed the demographic and clinical diversity of justice-involved men. Inferential statistical analyses, effect size calculations, and clinical analyses demonstrated that a sample of justice-involved men performed significantly differently and was more impaired than commonly referenced normative samples across multiple measures of intellectual functioning, attention, verbal fluency, and executive functioning. Preliminary data are provided to aid the use of the selected neuropsychological measures with justice-involved men., Conclusions: Justice-involved men appear to represent a distinct neuropsychological population. Group-specific normative data will be useful to help ensure that opinions about these individuals are relevant, valid, and admissible within legal decision-making in criminal contexts. The current data can guide future efforts to develop substantive normative data on neuropsychological measures likely to be used in the assessment of justice-involved men., (© The Author 2017. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
- Published
- 2017
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19. Translational assessment of cardiac contractility by echocardiography in the telemetered rat.
- Author
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Tang HM, Ju H, Zhao S, LaDuke C, Hahn S, Glick J, Carey C, and Friedrichs GS
- Subjects
- Animals, Blood Pressure drug effects, Blood Pressure physiology, Cardiotonic Agents pharmacology, Cardiovascular Agents pharmacology, Cross-Over Studies, Echocardiography methods, Heart Rate drug effects, Heart Rate physiology, Male, Milrinone pharmacology, Myocardial Contraction drug effects, Rats, Rats, Wistar, Telemetry methods, Ventricular Function, Left drug effects, Ventricular Pressure drug effects, Ventricular Pressure physiology, Verapamil pharmacology, Myocardial Contraction physiology, Ventricular Function, Left physiology
- Abstract
Introduction: Cardiac contractility was evaluated using standard inotropic agents in rats. We compared indices of cardiac contractility, i.e. LV dP/dt max from telemetry while simultaneously collecting EF (ejection fraction) and FS (fractional shortening) measures from echocardiography., Methods: Male Wistar rats were instrumented with telemetry devices for measurements of blood pressure and left ventricular pressure. Milrinone (PDE III inhibitor) and verapamil (L-type calcium channel blocker) at doses of 0, 3, 10, and 30 mg/kg were administered orally using a 4 × 4 Latin square crossover study design. Telemetry data were recorded at predose and continuously for 24h post-dose. Echocardiographic evaluations were conducted once at predose and at 1 and 2h after milrinone or verapamil administration, respectively. During the recording of echocardiograms, telemetry data were collected simultaneously. Blood samples were also collected to confirm plasma drug exposure., Results: As expected, milrinone increased LV dP/dt max, EF and FS while verapamil decreased LV dP/dt max, EF and FS. Linear regression analysis showed a positive correlation between LV dP/dt max and EF or FS (P<0.001) with both test agents. A change in LV dP/dt max of 1000 mmHg/s was found to correspond with a change in EF and FS of 13 and 16%, respectively, in the telemetered rat., Discussion: The correlation between contractility indices assessed by telemetry and echocardiographic methods in rat models has not received much attention to date. Our results with two reference compounds demonstrate that both methods are sensitive to alterations in contractility induced by inotropic agents administered to rats. The high degree of correlation between changes in LV dP/dt max and EF or FS in the rat enables a translational-element of clinical relevance following changes in contractility indices when measured with telemetry devices in preclinical studies., (Copyright © 2015 Elsevier Inc. All rights reserved.)
- Published
- 2016
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20. Methodological, ethical, and legal considerations in drug court research.
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DeMatteo D, Filone S, and Laduke C
- Subjects
- Female, Humans, Male, United States, Criminal Law, Ethics, Research, Judicial Role, Prisoners legislation & jurisprudence, Research Design, Substance-Related Disorders rehabilitation
- Abstract
Since their inception in the late 1980s, drug courts have become the most prevalent specialty court in the United States. A large body of outcome research conducted over the past two decades has demonstrated that drug courts effectively reduce drug use and criminal recidivism, which has led to the rapid proliferation of these courts. Importantly, drug court research has flourished despite the many challenges faced by researchers when working with a vulnerable population of justice-involved substance users. In this article, we highlight the most common methodological, ethical, and legal challenges encountered in drug court research, and discuss ways in which researchers can overcome these challenges to conduct high-quality research. Drug court research exemplifies how rigorous empirical investigation can be accomplished in the criminal justice system, and it can serve as a useful model for researchers working in other parts of the judicial system., (2011 John Wiley & Sons, Ltd.)
- Published
- 2011
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21. The role of probation in forensic assertive community treatment.
- Author
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Lamberti JS, Deem A, Weisman RL, and LaDuke C
- Subjects
- Data Collection, Female, Humans, Male, Community Psychiatry, Cooperative Behavior, Forensic Psychiatry, Prisoners psychology, Punishment
- Abstract
Objective: Forensic assertive community treatment (FACT) is an adaptation of the assertive community treatment model designed to prevent criminal recidivism through criminal justice collaborations. A national survey was conducted to examine FACT collaborations with probation departments., Methods: Members of the National Association of County Behavioral Health and Developmental Disability Directors were surveyed to identify FACT programs. Programs reporting collaborations with probation departments were contacted to provide details., Results: Fifty-six percent of FACT programs (15 of 27) reported collaborating with probation departments. Probation officers were assigned an average of 29±16 hours weekly, and 80% of programs (12 of 15) reported a favorable impact of collaboration on risk of patient rearrest. Only two programs reported using standard tools to formally assess recidivism risk. The most common barrier to collaboration was differences in philosophy between FACT team clinicians and probation officers., Conclusions: FACT collaborations involving probation departments are common and are viewed by most program leaders as helpful in reducing criminal recidivism.
- Published
- 2011
- Full Text
- View/download PDF
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