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Your search keyword '"Fleischman, Debra A."' showing total 23 results
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23 results on '"Fleischman, Debra A."'

1. The Relationship of MRI-Derived Alzheimer's and Cerebrovascular-Related Signatures With Level of and Change in Health and Financial Literacy

Author

Lamar, Melissa, Arfanakis, Konstantinos, Yu, Lei, Kapasi, Alifiya, Duke Han, S., Fleischman, Debra A., Bennett, David A., and Boyle, Patricia

Abstract

•What is the primary question addressed by this study?We investigated associations of the cortical thickness signature of Alzheimer's disease (AD) and white matter hyperintensity volumes with a composite index of health and financial literacy given that the ability to access, understand, and utilize health and financial information influences older adults’ health outcomes.•What is the main finding of this study?For 303 participants without dementia from the Rush Memory and Aging Project, reduced AD signature cortical thickness was associated with baseline levels of and faster declines in literacy. White matter hyperintensities were associated with the level of but not change in literacy.•What is the meaning of the finding?Results support the assertion that biological vulnerability associated with AD may predict a broader spectrum of behavior than originally recognized, even in non-demented older adults.

Published
2023
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2. Association between late-life social activity and motor decline in older adults

Author

Buchman, Aron S., Boyle, Patricia A., Wilson, Robert S., Fleischman, Debra A., Leurgans, Sue, and Bennett, David A.

Subjects
Motor ability -- Physiological aspects, Motor ability -- Demographic aspects, Motor ability -- Research, Aged -- Social aspects, Aged -- Physiological aspects, Aged -- Research, Aging -- Physiological aspects, Aging -- Social aspects, Aging -- Research, Health
Published
2009

4. Physical Activity and Leg Strength Predict Decline in Mobility Performance in Older Persons

Author

Buchman, Aron S., Wilson, Robert S., Boyle, Patricia A., Tang, Yuxiao, Fleischman, Debra A., and Bennett, David A.

Subjects
Exercise, Aged, Physical fitness, Exercise for the aged, Physical fitness for the aged, Knowledge-based system, Health, Seniors
Abstract

To purchase or authenticate to the full-text of this article, please visit this link: http://dx.doi.org/10.1111/j.1532-5415.2007.01359.x Byline: Aron S. Buchman (*[dagger]), Robert S. Wilson (*[dagger][double dagger]), Patricia A. Boyle (*[double dagger]), Yuxiao Tang (s.), Debra A. Fleischman (*[dagger][double dagger]), David A. Bennett (*[dagger]) Keywords: mobility; physical activity; leg strength; aging; motor decline Abstract: OBJECTIVES: To assess the extent to which physical activity and leg strength are associated with change in mobility in older persons. DESIGN: Prospective, observational cohort study. SETTING: Retirement communities across the Chicago metropolitan area participating in the Rush Memory and Aging Project. PARTICIPANTS: Eight hundred eighty-six ambulatory older persons without dementia. MEASUREMENT: Rate of change in mobility. RESULTS: In a linear mixed-effects model that controlled for age, sex, education, and a term for baseline physical activity, a higher level of physical activity was associated with a slower rate of mobility decline (estimate=0.006, standard error (SE)=0.003, P=.03); each additional hour of physical activity at baseline was associated with an approximately 3% decrease in the rate of mobility decline. In a similar model, a higher level of baseline leg strength was associated with a slower rate of mobility decline (estimate=0.031, SE=0.132, P=.02); each additional unit of leg strength at baseline was associated with an approximately 20% decrease in the rate of mobility decline. In a final model, which included terms for physical activity and leg strength together, both were associated with decline in mobility. Furthermore, both remained associated with mobility even after controlling for body composition, balance, pulmonary function, cognition, history of joint pain, cardiovascular diseases and risk factors, and medications. CONCLUSION: Physical activity and leg strength are relatively independent predictors of mobility decline in older persons. Although physical activity may improve strength, the beneficial effect of physical activity on mobility is likely to involve other pathways. Author Affiliation: (*)Alzheimer's Disease Center, Department of ([dagger])Neurological Sciences ([double dagger])Behavioral Sciences (s.)Institute for Healthy Aging, Rush University Medical Center, Chicago, Illinois Article note: Address correspondence to Aron S. Buchman, MD, Rush Alzheimer's Disease Center, Rush University Medical Center, Armour Academic Facility, Suite #1038, 600 South Paulina Street, Chicago, IL 60612. E-mail: Aron_S_Buchman@rush.edu

Published
2007

5. Genetic variants for head size share genes and pathways with cancer

Author

Knol, Maria J., Poot, Raymond A., Evans, Tavia E., Satizabal, Claudia L., Mishra, Aniket, Sargurupremraj, Muralidharan, van der Auwera, Sandra, Duperron, Marie-Gabrielle, Jian, Xueqiu, Hostettler, Isabel C., van Dam-Nolen, Dianne H.K., Lamballais, Sander, Pawlak, Mikolaj A., Lewis, Cora E., Carrion-Castillo, Amaia, van Erp, Theo G.M., Reinbold, Céline S., Shin, Jean, Scholz, Markus, Håberg, Asta K., Kämpe, Anders, Li, Gloria H.Y., Avinun, Reut, Atkins, Joshua R., Hsu, Fang-Chi, Amod, Alyssa R., Lam, Max, Tsuchida, Ami, Teunissen, Mariël W.A., Aygün, Nil, Patel, Yash, Liang, Dan, Beiser, Alexa S., Beyer, Frauke, Bis, Joshua C., Bos, Daniel, Bryan, R. Nick, Bülow, Robin, Caspers, Svenja, Catheline, Gwenaëlle, Cecil, Charlotte A.M., Dalvie, Shareefa, Dartigues, Jean-François, DeCarli, Charles, Enlund-Cerullo, Maria, Ford, Judith M., Franke, Barbara, Freedman, Barry I., Friedrich, Nele, Green, Melissa J., Haworth, Simon, Helmer, Catherine, Hoffmann, Per, Homuth, Georg, Ikram, M. Kamran, Jack, Clifford R., Jahanshad, Neda, Jockwitz, Christiane, Kamatani, Yoichiro, Knodt, Annchen R., Li, Shuo, Lim, Keane, Longstreth, W.T., Macciardi, Fabio, Amouyel, Philippe, Arfanakis, Konstantinos, Aribisala, Benjamin S., Bastin, Mark E., Chauhan, Ganesh, Chen, Christopher, Cheng, Ching-Yu, de Jager, Philip L., Deary, Ian J., Fleischman, Debra A., Gottesman, Rebecca F., Gudnason, Vilmundur, Hilal, Saima, Hofer, Edith, Janowitz, Deborah, Jukema, J. Wouter, Liewald, David C.M., Lopez, Lorna M., Lopez, Oscar, Luciano, Michelle, Martinez, Oliver, Niessen, Wiro J., Nyquist, Paul, Rotter, Jerome I., Rundek, Tatjana, Sacco, Ralph L., Schmidt, Helena, Tiemeier, Henning, Trompet, Stella, van der Grond, Jeroen, Völzke, Henry, Wardlaw, Joanna M., Yanek, Lisa, Yang, Jingyun, Agartz, Ingrid, Alhusaini, Saud, Almasy, Laura, Ames, David, Amunts, Katrin, Andreassen, Ole A., Armstrong, Nicola, Bernard, Manon, Blangero, John, Blanken, Laura M.E., Boks, Marco P., Boomsma, Dorret I., Brickman, Adam M., Brodaty, Henry, Buckner, Randy L., Buitelaar, Jan K., Cannon, Dara M., Carr, Vaughan J., Catts, Stanley V., Chakravarty, M. Mallar, Chen, Qiang, Ching, Christopher R.K., Corvin, Aiden, Crespo-Facorro, Benedicto, Curran, Joanne E., Davies, Gareth E., de Geus, Eco J.C., de Zubicaray, Greig I., den Braber, Anouk, Desrivières, Sylvane, Dillman, Allissa, Djurovic, Srdjan, Drevets, Wayne C., Duggirala, Ravi, Ehrlich, Stefan, Erk, Susanne, Espeseth, Thomas, Fedko, Iryna O., Fernández, Guillén, Fisher, Simon E., Foroud, Tatiana M., Ge, Tian, Giddaluru, Sudheer, Glahn, David C., Goldman, Aaron L., Green, Robert C., Greven, Corina U., Grimm, Oliver, Hansell, Narelle K., Hartman, Catharina A., Hashimoto, Ryota, Heinz, Andreas, Henskens, Frans, Hibar, Derrek P., Ho, Beng-Choon, Hoekstra, Pieter J., Holmes, Avram J., Hoogman, Martine, Hottenga, Jouke-Jan, Hulshoff Pol, Hilleke E., Jablensky, Assen, Jenkinson, Mark, Jia, Tianye, Jöckel, Karl-Heinz, Jönsson, Erik G., Kim, Sungeun, Klein, Marieke, Kochunov, Peter, Kwok, John B., Lawrie, Stephen M., Le Hellard, Stephanie, Lemaître, Hervé, Loughland, Carmel, Marquand, Andre F., Martin, Nicholas G., Martinot, Jean-Luc, Matarin, Mar, Mathalon, Daniel H., Mather, Karen A., Mattay, Venkata S., McDonald, Colm, McMahon, Francis J., McMahon, Katie L., E, Rebekah, McWhirter, Mecocci, Patrizia, Melle, Ingrid, Meyer-Lindenberg, Andreas, Michie, Patricia T., Milaneschi, Yuri, Morris, Derek W., Mowry, Bryan, Nho, Kwangsik, Nichols, Thomas E., Nöthen, Markus N., Olvera, Rene L., Oosterlaan, Jaap, Ophoff, Roel A., Pandolfo, Massimo, Pantelis, Christos, Pappa, Irene, Penninx, Brenda, Pike, G. Bruce, Rasser, Paul E., Rentería, Miguel E., Reppermund, Simone, Rietschel, Marcella, Risacher, Shannon L., Romanczuk-Seiferth, Nina, Rose, Emma Jane, Sachdev, Perminder S., Sämann, Philipp G., Saykin, Andrew J., Schall, Ulrich, Schofield, Peter R., Schramm, Sara, Schumann, Gunter, Scott, Rodney, Shen, Li, Sisodiya, Sanjay M., Soininen, Hilkka, Sprooten, Emma, Srikanth, Velandai, Steen, Vidar M., Strike, Lachlan T., Thalamuthu, Anbupalam, Toga, Arthur W., Tooney, Paul, Tordesillas-Gutiérrez, Diana, Turner, Jessica A., Valdés Hernández, Maria del C., van der Meer, Dennis, Van der Wee, Nic J.A., Van Haren, Neeltje E.M., van 't Ent, Dennis, Veltman, Dick J., Walter, Henrik, Weinberger, Daniel R., Weiner, Michael W., Wen, Wei, Westlye, Lars T., Westman, Eric, Winkler, Anderson M., Woldehawariat, Girma, Wright, Margaret J., Wu, Jingqin, Mäkitie, Outi, Mazoyer, Bernard, Medland, Sarah E., Miyamoto, Susumu, Moebus, Susanne, Mosley, Thomas H., Muetzel, Ryan, Mühleisen, Thomas W., Nagata, Manabu, Nakahara, Soichiro, Palmer, Nicholette D., Pausova, Zdenka, Preda, Adrian, Quidé, Yann, Reay, William R., Roshchupkin, Gennady V., Schmidt, Reinhold, Schreiner, Pamela J., Setoh, Kazuya, Shapland, Chin Yang, Sidney, Stephen, St Pourcain, Beate, Stein, Jason L., Tabara, Yasuharu, Teumer, Alexander, Uhlmann, Anne, van der Lugt, Aad, Vernooij, Meike W., Werring, David J., Windham, B. Gwen, Witte, A. Veronica, Wittfeld, Katharina, Yang, Qiong, Yoshida, Kazumichi, Brunner, Han G., Le Grand, Quentin, Sim, Kang, Stein, Dan J., Bowden, Donald W., Cairns, Murray J., Hariri, Ahmad R., Cheung, Ching-Lung, Andersson, Sture, Villringer, Arno, Paus, Tomas, Cichon, Sven, Calhoun, Vince D., Crivello, Fabrice, Launer, Lenore J., White, Tonya, Koudstaal, Peter J., Houlden, Henry, Fornage, Myriam, Matsuda, Fumihiko, Grabe, Hans J., Ikram, M. Arfan, Debette, Stéphanie, Thompson, Paul M., Seshadri, Sudha, and Adams, Hieab H.H.

Abstract

The size of the human head is highly heritable, but genetic drivers of its variation within the general population remain unmapped. We perform a genome-wide association study on head size (N = 80,890) and identify 67 genetic loci, of which 50 are novel. Neuroimaging studies show that 17 variants affect specific brain areas, but most have widespread effects. Gene set enrichment is observed for various cancers and the p53, Wnt, and ErbB signaling pathways. Genes harboring lead variants are enriched for macrocephaly syndrome genes (37-fold) and high-fidelity cancer genes (9-fold), which is not seen for human height variants. Head size variants are also near genes preferentially expressed in intermediate progenitor cells, neural cells linked to evolutionary brain expansion. Our results indicate that genes regulating early brain and cranial growth incline to neoplasia later in life, irrespective of height. This warrants investigation of clinical implications of the link between head size and cancer.

Published
2024
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6. Genetic architecture of subcortical brain structures in 38,851 individuals

Author

Satizabal, Claudia L., Adams, Hieab H. H., Hibar, Derrek P., White, Charles C., Knol, Maria J., Stein, Jason L., Scholz, Markus, Sargurupremraj, Muralidharan, Jahanshad, Neda, Roshchupkin, Gennady V., Smith, Albert V., Bis, Joshua C., Jian, Xueqiu, Luciano, Michelle, Hofer, Edith, Teumer, Alexander, van der Lee, Sven J., Yang, Jingyun, Yanek, Lisa R., Lee, Tom V., Li, Shuo, Hu, Yanhui, Koh, Jia Yu, Eicher, John D., Desrivières, Sylvane, Arias-Vasquez, Alejandro, Chauhan, Ganesh, Athanasiu, Lavinia, Rentería, Miguel E., Kim, Sungeun, Hoehn, David, Armstrong, Nicola J., Chen, Qiang, Holmes, Avram J., den Braber, Anouk, Kloszewska, Iwona, Andersson, Micael, Espeseth, Thomas, Grimm, Oliver, Abramovic, Lucija, Alhusaini, Saud, Milaneschi, Yuri, Papmeyer, Martina, Axelsson, Tomas, Ehrlich, Stefan, Roiz-Santiañez, Roberto, Kraemer, Bernd, Håberg, Asta K., Jones, Hannah J., Pike, G. Bruce, Stein, Dan J., Stevens, Allison, Bralten, Janita, Vernooij, Meike W., Harris, Tamara B., Filippi, Irina, Witte, A. Veronica, Guadalupe, Tulio, Wittfeld, Katharina, Mosley, Thomas H., Becker, James T., Doan, Nhat Trung, Hagenaars, Saskia P., Saba, Yasaman, Cuellar-Partida, Gabriel, Amin, Najaf, Hilal, Saima, Nho, Kwangsik, Mirza-Schreiber, Nazanin, Arfanakis, Konstantinos, Becker, Diane M., Ames, David, Goldman, Aaron L., Lee, Phil H., Boomsma, Dorret I., Lovestone, Simon, Giddaluru, Sudheer, Le Hellard, Stephanie, Mattheisen, Manuel, Bohlken, Marc M., Kasperaviciute, Dalia, Schmaal, Lianne, Lawrie, Stephen M., Agartz, Ingrid, Walton, Esther, Tordesillas-Gutierrez, Diana, Davies, Gareth E., Shin, Jean, Ipser, Jonathan C., Vinke, Louis N., Hoogman, Martine, Jia, Tianye, Burkhardt, Ralph, Klein, Marieke, Crivello, Fabrice, Janowitz, Deborah, Carmichael, Owen, Haukvik, Unn K., Aribisala, Benjamin S., Schmidt, Helena, Strike, Lachlan T., Cheng, Ching-Yu, Risacher, Shannon L., Pütz, Benno, Fleischman, Debra A., Assareh, Amelia A., Mattay, Venkata S., Buckner, Randy L., Mecocci, Patrizia, Dale, Anders M., Cichon, Sven, Boks, Marco P., Matarin, Mar, Penninx, Brenda W. J. H., Calhoun, Vince D., Chakravarty, M. Mallar, Marquand, Andre F., Macare, Christine, Kharabian Masouleh, Shahrzad, Oosterlaan, Jaap, Amouyel, Philippe, Hegenscheid, Katrin, Rotter, Jerome I., Schork, Andrew J., Liewald, David C. M., de Zubicaray, Greig I., Wong, Tien Yin, Shen, Li, Sämann, Philipp G., Brodaty, Henry, Roffman, Joshua L., de Geus, Eco J. C., Tsolaki, Magda, Erk, Susanne, van Eijk, Kristel R., Cavalleri, Gianpiero L., van der Wee, Nic J. A., McIntosh, Andrew M., Gollub, Randy L., Bulayeva, Kazima B., Bernard, Manon, Richards, Jennifer S., Himali, Jayandra J., Loeffler, Markus, Rommelse, Nanda, Hoffmann, Wolfgang, Westlye, Lars T., Valdés Hernández, Maria C., Hansell, Narelle K., van Erp, Theo G. M., Wolf, Christiane, Kwok, John B. J., Vellas, Bruno, Heinz, Andreas, Olde Loohuis, Loes M., Delanty, Norman, Ho, Beng-Choon, Ching, Christopher R. K., Shumskaya, Elena, Singh, Baljeet, Hofman, Albert, van der Meer, Dennis, Homuth, Georg, Psaty, Bruce M., Bastin, Mark E., Montgomery, Grant W., Foroud, Tatiana M., Reppermund, Simone, Hottenga, Jouke-Jan, Simmons, Andrew, Meyer-Lindenberg, Andreas, Cahn, Wiepke, Whelan, Christopher D., van Donkelaar, Marjolein M. J., Yang, Qiong, Hosten, Norbert, Green, Robert C, Thalamuthu, Anbupalam, Mohnke, Sebastian, Hulshoff Pol, Hilleke E., Lin, Honghuang, Jack, Clifford R., Schofield, Peter R., Mühleisen, Thomas W., Maillard, Pauline, Potkin, Steven G., Wen, Wei, Fletcher, Evan, Toga, Arthur W., Gruber, Oliver, Huentelman, Matthew, Davey Smith, George, Launer, Lenore J., Nyberg, Lars, Jönsson, Erik G., Crespo-Facorro, Benedicto, Koen, Nastassja, Greve, Douglas N., Uitterlinden, André G., Weinberger, Daniel R., Steen, Vidar M., Fedko, Iryna O., Groenewold, Nynke A., Niessen, Wiro J., Toro, Roberto, Tzourio, Christophe, Longstreth, William T., Ikram, M. Kamran, Smoller, Jordan W., van Tol, Marie-Jose, Sussmann, Jessika E., Paus, Tomas, Lemaître, Hervé, Schroeter, Matthias L., Mazoyer, Bernard, Andreassen, Ole A., Holsboer, Florian, Depondt, Chantal, Veltman, Dick J., Turner, Jessica A., Pausova, Zdenka, Schumann, Gunter, van Rooij, Daan, Djurovic, Srdjan, Deary, Ian J., McMahon, Katie L., Müller-Myhsok, Bertram, Brouwer, Rachel M., Soininen, Hilkka, Pandolfo, Massimo, Wassink, Thomas H., Cheung, Joshua W., Wolfers, Thomas, Martinot, Jean-Luc, Zwiers, Marcel P., Nauck, Matthias, Melle, Ingrid, Martin, Nicholas G., Kanai, Ryota, Westman, Eric, Kahn, René S., Sisodiya, Sanjay M., White, Tonya, Saremi, Arvin, van Bokhoven, Hans, Brunner, Han G., Völzke, Henry, Wright, Margaret J., van ‘t Ent, Dennis, Nöthen, Markus M., Ophoff, Roel A., Buitelaar, Jan K., Fernández, Guillén, Sachdev, Perminder S., Rietschel, Marcella, van Haren, Neeltje E. M., Fisher, Simon E., Beiser, Alexa S., Francks, Clyde, Saykin, Andrew J., Mather, Karen A., Romanczuk-Seiferth, Nina, Hartman, Catharina A., DeStefano, Anita L., Heslenfeld, Dirk J., Weiner, Michael W., Walter, Henrik, Hoekstra, Pieter J., Nyquist, Paul A., Franke, Barbara, Bennett, David A., Grabe, Hans J., Johnson, Andrew D., Chen, Christopher, van Duijn, Cornelia M., Lopez, Oscar L., Fornage, Myriam, Wardlaw, Joanna M., Schmidt, Reinhold, DeCarli, Charles, De Jager, Philip L., Villringer, Arno, Debette, Stéphanie, Gudnason, Vilmundur, Medland, Sarah E., Shulman, Joshua M., Thompson, Paul M., Seshadri, Sudha, and Ikram, M. Arfan

Abstract

Subcortical brain structures are integral to motion, consciousness, emotions and learning. We identified common genetic variation related to the volumes of the nucleus accumbens, amygdala, brainstem, caudate nucleus, globus pallidus, putamen and thalamus, using genome-wide association analyses in almost 40,000 individuals from CHARGE, ENIGMA and UK Biobank. We show that variability in subcortical volumes is heritable, and identify 48 significantly associated loci (40 novel at the time of analysis). Annotation of these loci by utilizing gene expression, methylation and neuropathological data identified 199 genes putatively implicated in neurodevelopment, synaptic signaling, axonal transport, apoptosis, inflammation/infection and susceptibility to neurological disorders. This set of genes is significantly enriched for Drosophilaorthologs associated with neurodevelopmental phenotypes, suggesting evolutionarily conserved mechanisms. Our findings uncover novel biology and potential drug targets underlying brain development and disease.

Published
2019
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7. Late-life social activity

Author

Verkleij, Saskia, Scheele, Jantine, van der Wouden, Johannes C., Buchman, Aron S., Boyle, Patricia A., Wilson, Robert S., Fleischman, Debra A., Leurgans, Sue E., and Bennett, David A.

Subjects
Social participation -- Health aspects, Social participation -- Physiological aspects, Motor ability -- Demographic aspects, Health
Published
2009

8. Novel genetic loci underlying human intracranial volume identified through genome-wide association

Author

Adams, Hieab H H, Hibar, Derrek P, Chouraki, Vincent, Stein, Jason L, Nyquist, Paul A, Rentería, Miguel E, Trompet, Stella, Arias-Vasquez, Alejandro, Seshadri, Sudha, Desrivières, Sylvane, Beecham, Ashley H, Jahanshad, Neda, Wittfeld, Katharina, Van der Lee, Sven J, Abramovic, Lucija, Alhusaini, Saud, Amin, Najaf, Andersson, Micael, Arfanakis, Konstantinos, Aribisala, Benjamin S, Armstrong, Nicola J, Athanasiu, Lavinia, Axelsson, Tomas, Beiser, Alexa, Bernard, Manon, Bis, Joshua C, Blanken, Laura M E, Blanton, Susan H, Bohlken, Marc M, Boks, Marco P, Bralten, Janita, Brickman, Adam M, Carmichael, Owen, Chakravarty, M Mallar, Chauhan, Ganesh, Chen, Qiang, Ching, Christopher R K, Cuellar-Partida, Gabriel, Braber, Anouk Den, Doan, Nhat Trung, Ehrlich, Stefan, Filippi, Irina, Ge, Tian, Giddaluru, Sudheer, Goldman, Aaron L, Gottesman, Rebecca F, Greven, Corina U, Grimm, Oliver, Griswold, Michael E, Guadalupe, Tulio, Hass, Johanna, Haukvik, Unn K, Hilal, Saima, Hofer, Edith, Hoehn, David, Holmes, Avram J, Hoogman, Martine, Janowitz, Deborah, Jia, Tianye, Kasperaviciute, Dalia, Kim, Sungeun, Klein, Marieke, Kraemer, Bernd, Lee, Phil H, Liao, Jiemin, Liewald, David C M, Lopez, Lorna M, Luciano, Michelle, Macare, Christine, Marquand, Andre, Matarin, Mar, Mather, Karen A, Mattheisen, Manuel, Mazoyer, Bernard, McKay, David R, McWhirter, Rebekah, Milaneschi, Yuri, Mirza-Schreiber, Nazanin, Muetzel, Ryan L, Maniega, Susana Muñoz, Nho, Kwangsik, Nugent, Allison C, Loohuis, Loes M Olde, Oosterlaan, Jaap, Papmeyer, Martina, Pappa, Irene, Pirpamer, Lukas, Pudas, Sara, Pütz, Benno, Rajan, Kumar B, Ramasamy, Adaikalavan, Richards, Jennifer S, Risacher, Shannon L, Roiz-Santiañez, Roberto, Rommelse, Nanda, Rose, Emma J, Royle, Natalie A, Rundek, Tatjana, Sämann, Philipp G, Satizabal, Claudia L, Schmaal, Lianne, Schork, Andrew J, Shen, Li, Shin, Jean, Shumskaya, Elena, Smith, Albert V, Sprooten, Emma, Strike, Lachlan T, Teumer, Alexander, Thomson, Russell, Tordesillas-Gutierrez, Diana, Toro, Roberto, Trabzuni, Daniah, Vaidya, Dhananjay, Van der Grond, Jeroen, Van der Meer, Dennis, Van Donkelaar, Marjolein M J, Van Eijk, Kristel R, Van Erp, Theo G M, Van Rooij, Daan, Walton, Esther, Westlye, Lars T, Whelan, Christopher D, Windham, Beverly G, Winkler, Anderson M, Woldehawariat, Girma, Wolf, Christiane, Wolfers, Thomas, Xu, Bing, Yanek, Lisa R, Yang, Jingyun, Zijdenbos, Alex, Zwiers, Marcel P, Agartz, Ingrid, Aggarwal, Neelum T, Almasy, Laura, Ames, David, Amouyel, Philippe, Andreassen, Ole A, Arepalli, Sampath, Assareh, Amelia A, Barral, Sandra, Bastin, Mark E, Becker, Diane M, Becker, James T, Bennett, David A, Blangero, John, van Bokhoven, Hans, Boomsma, Dorret I, Brodaty, Henry, Brouwer, Rachel M, Brunner, Han G, Buckner, Randy L, Buitelaar, Jan K, Bulayeva, Kazima B, Cahn, Wiepke, Calhoun, Vince D, Cannon, Dara M, Cavalleri, Gianpiero L, Chen, Christopher, Cheng, Ching-Yu, Cichon, Sven, Cookson, Mark R, Corvin, Aiden, Crespo-Facorro, Benedicto, Curran, Joanne E, Czisch, Michael, Dale, Anders M, Davies, Gareth E, De Geus, Eco J C, De Jager, Philip L, de Zubicaray, Greig I, Delanty, Norman, Depondt, Chantal, DeStefano, Anita L, Dillman, Allissa, Djurovic, Srdjan, Donohoe, Gary, Drevets, Wayne C, Duggirala, Ravi, Dyer, Thomas D, Erk, Susanne, Espeseth, Thomas, Evans, Denis A, Fedko, Iryna O, Fernández, Guillén, Ferrucci, Luigi, Fisher, Simon E, Fleischman, Debra A, Ford, Ian, Foroud, Tatiana M, Fox, Peter T, Francks, Clyde, Fukunaga, Masaki, Gibbs, J Raphael, Glahn, David C, Gollub, Randy L, Göring, Harald H H, Grabe, Hans J, Green, Robert C, Gruber, Oliver, Gudnason, Vilmundur, Guelfi, Sebastian, Hansell, Narelle K, Hardy, John, Hartman, Catharina A, Hashimoto, Ryota, Hegenscheid, Katrin, Heinz, Andreas, Le Hellard, Stephanie, Hernandez, Dena G, Heslenfeld, Dirk J, Ho, Beng-Choon, Hoekstra, Pieter J, Hoffmann, Wolfgang, Hofman, Albert, Holsboer, Florian, Homuth, Georg, Hosten, Norbert, Hottenga, Jouke-Jan, Pol, Hilleke E Hulshoff, Ikeda, Masashi, Ikram, M Kamran, Jack, Clifford R, Jenkinson, Mark, Johnson, Robert, Jönsson, Erik G, Jukema, J Wouter, Kahn, René S, Kanai, Ryota, Kloszewska, Iwona, Knopman, David S, Kochunov, Peter, Kwok, John B, Lawrie, Stephen M, Lemaître, Hervé, Liu, Xinmin, Longo, Dan L, Longstreth, W T, Lopez, Oscar L, Lovestone, Simon, Martinez, Oliver, Martinot, Jean-Luc, Mattay, Venkata S, McDonald, Colm, McIntosh, Andrew M, McMahon, Katie L, McMahon, Francis J, Mecocci, Patrizia, Melle, Ingrid, Meyer-Lindenberg, Andreas, Mohnke, Sebastian, Montgomery, Grant W, Morris, Derek W, Mosley, Thomas H, Mühleisen, Thomas W, Müller-Myhsok, Bertram, Nalls, Michael A, Nauck, Matthias, Nichols, Thomas E, Niessen, Wiro J, Nöthen, Markus M, Nyberg, Lars, Ohi, Kazutaka, Olvera, Rene L, Ophoff, Roel A, Pandolfo, Massimo, Paus, Tomas, Pausova, Zdenka, Penninx, Brenda W J H, Pike, G Bruce, Potkin, Steven G, Psaty, Bruce M, Reppermund, Simone, Rietschel, Marcella, Roffman, Joshua L, Romanczuk-Seiferth, Nina, Rotter, Jerome I, Ryten, Mina, Sacco, Ralph L, Sachdev, Perminder S, Saykin, Andrew J, Schmidt, Reinhold, Schofield, Peter R, Sigurdsson, Sigurdur, Simmons, Andy, Singleton, Andrew, Sisodiya, Sanjay M, Smith, Colin, Smoller, Jordan W, Soininen, Hilkka, Srikanth, Velandai, Steen, Vidar M, Stott, David J, Sussmann, Jessika E, Thalamuthu, Anbupalam, Tiemeier, Henning, Toga, Arthur W, Traynor, Bryan J, Troncoso, Juan, Turner, Jessica A, Tzourio, Christophe, Uitterlinden, Andre G, Hernández, Maria C Valdés, Van der Brug, Marcel, Van der Lugt, Aad, Van der Wee, Nic J A, Van Duijn, Cornelia M, Van Haren, Neeltje E M, Van ′t Ent, Dennis, Van Tol, Marie-Jose, Vardarajan, Badri N, Veltman, Dick J, Vernooij, Meike W, Völzke, Henry, Walter, Henrik, Wardlaw, Joanna M, Wassink, Thomas H, Weale, Michael E, Weinberger, Daniel R, Weiner, Michael W, Wen, Wei, Westman, Eric, White, Tonya, Wong, Tien Y, Wright, Clinton B, Zielke, H Ronald, Zonderman, Alan B, Deary, Ian J, DeCarli, Charles, Schmidt, Helena, Martin, Nicholas G, De Craen, Anton J M, Wright, Margaret J, Launer, Lenore J, Schumann, Gunter, Fornage, Myriam, Franke, Barbara, Debette, Stéphanie, Medland, Sarah E, Ikram, M Arfan, and Thompson, Paul M

Abstract

Intracranial volume reflects the maximally attained brain size during development, and remains stable with loss of tissue in late life. It is highly heritable, but the underlying genes remain largely undetermined. In a genome-wide association study of 32,438 adults, we discovered five previously unknown loci for intracranial volume and confirmed two known signals. Four of the loci were also associated with adult human stature, but these remained associated with intracranial volume after adjusting for height. We found a high genetic correlation with child head circumference (ρgenetic= 0.748), which indicates a similar genetic background and allowed us to identify four additional loci through meta-analysis (Ncombined= 37,345). Variants for intracranial volume were also related to childhood and adult cognitive function, and Parkinson's disease, and were enriched near genes involved in growth pathways, including PI3K-AKT signaling. These findings identify the biological underpinnings of intracranial volume and their link to physiological and pathological traits.

Published
2016
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10. Physical activity, motor function, and white matter hyperintensity burden in healthy older adults

Author

Fleischman, Debra A., Yang, Jingyun, Arfanakis, Konstantinos, Arvanitakis, Zoe, Leurgans, Sue E., Turner, Arlener D., Barnes, Lisa L., Bennett, David A., and Buchman, Aron S.

Abstract

To test the hypothesis that physical activity modifies the association between white matter hyperintensity (WMH) burden and motor function in healthy older persons without dementia.

Published
2015
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11. An Evaluation of MSDC-0160, A Prototype mTOT Modulating Insulin Sensitizer, in Patients with Mild Alzheimer's Disease

Author

Shah, Raj C., Matthews, Dawn C., Andrews, Randolph D., Capuano, Ana W., Fleischman, Debra A., VanderLugt, James T., and Colca, Jerry R.

Abstract

Alzheimer’s disease (AD) is associated with insulin resistance and specific regional declines in cerebral metabolism. The effects of a novel mTOT modulating insulin sensitizer (MSDC-0160) were explored in non-diabetic patients with mild AD to determine whether treatment would impact glucose metabolism measured by FDG-PET in regions that decline in AD. MSDC-0160 (150 mg once daily; N=16) compared to placebo (N=13) for 12 weeks did not result in a significant difference in glucose metabolism in pre-defined regions when referenced to the pons or whole brain. However, glucose metabolism referenced to cerebellum was maintained in MSDC-0160 treated participants while it significantly declined for placebo patients in anterior and posterior cingulate, and parietal, lateral temporal, medial temporal cortices. Voxel-based analyses showed additional differences in FDG-PET related to MSDC-0160 treatment. These exploratory results suggest central effects of MSDC-0160 and provide a basis for further investigation of mTOT modulating insulin sensitizers in AD patients.

Published
2014

12. Repetition Priming in Aging and Alzheimer's Disease: An Integrative Review and Future Directions

Author

Fleischman, Debra A.

Abstract

Two decades of research examining repetition priming in aging and Alzheimer's disease (AD) has yielded a large body of contradictory findings due to differences between studies in participant and task characteristics. Recent research that has employed methodological advances indicates that this form of implicit memory is preserved in healthy aging. When a priming deficit does occur in studies of aging, it is likely a very early signal of neurological disease. Future directions for research in this area include linking priming ability to known risk factors for development of AD, integrating priming measures into clinical neuropsychological assessment batteries, and implementing programs of cognitive retraining that enhance memory using stimulus repetition techniques.

Published
2007
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13. Parkinsonian signs and cognitive function in old age

Author

FLEISCHMAN, DEBRA A., WILSON, ROBERT S., BIENIAS, JULIA L., and BENNETT, DAVID A.

Abstract

Studies have shown that parkinsonian signs are related to cognitive function in aging. What remains unclear is whether this association is stronger for some cognitive domains than it is for others, and precisely how much variability in global and specific cognitive functions is explained by the motor signs. We examined the associations between four parkinsonian signs (gait, rigidity, bradykinesia, tremor) and five cognitive domains (episodic memory, semantic memory, working memory, perceptual speed, visuospatial ability) in a large cohort of older persons who were free of Parkinson's disease and dementia and were participating in the Rush Memory and Aging Project. In a series of regression equations that controlled for age, sex, and education, higher levels of three signs (gait, rigidity, and bradykinesia) were related to lower levels of cognitive function, but they accounted for less than 5% of the variance in most measures. The results did not change when the presence of depressive symptoms, diabetes, and hypertension were added to the models. The cross-sectional association between parkinsonian signs and cognitive function did not vary substantially across specific cognitive domains or specific cognitive tests. The results suggest that parkinsonian signs have a modest, but statistically reliable, association with level of cognitive function in old age. (JINS, 2005, 11, 591–597.)

Published
2005
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14. Implicit memory and Alzheimer's disease neuropathology

Author

Fleischman, Debra A., Wilson, Robert S., Gabrieli, John D. E., Schneider, Julie A., Bienias, Julia L., and Bennett, David A.

Abstract

Explicit memory failure is the defining cognitive feature of Alzheimer's disease and relates to the hallmark neuropathological features (plaques and tangles) of this illness. However, a pattern of preserved and impaired implicit memory has been found in Alzheimer's disease patients that may be explained by the association between the processing demands of certain implicit tests and the level of regional Alzheimer's disease neuropathology. In this study, we tested the hypothesis that these neuropathological features are related to implicit memory—measured by repetition priming—in a test that emphasized conceptual (or meaning-based) cognitive processing, and that the pathological changes are not related to implicit memory in a repetition priming test that emphasized perceptual (or sensory-based) cognitive processing. Subjects were older nuns, priests and brothers participating in the Religious Orders Study who agreed to annual neurological and neuropsychological evaluation for Alzheimer's disease and common neurological conditions of ageing, and brain autopsy at time of death. Explicit memory was measured by seven tests of episodic recall and recognition and converted to a previously established summary measure. Implicit memory was measured by four repetition priming tests. One test, category exemplar priming, emphasized conceptual, or meaning-based cognitive processing. A second test, word-identification priming, emphasized perceptual, or sensory-based cognitive processing. Two additional priming tests, picture-naming and word-stem completion, invoke both conceptual and perceptual processes. Neuritic and diffuse plaques, and neurofibrillary tangles identified by Bielschowsky silver stain, were quantified from five regions separately (frontal, parietal, temporal, entorhinal cortex and the hippocampus) and converted to a previously established summary measure. In linear regression analyses—controlling for age, sex and education—higher levels of Alzheimer's disease neuropathology were related to lower levels of explicit memory proximate to death. Higher levels of neuropathology were also related to lower levels of priming on the category-exemplar test, but were not related to levels of priming on the word-identification, picture-naming, or word-stem completion tests. The results suggest that hallmark indices of Alzheimer's disease neuropathology are associated with performance on priming tests to the extent that conceptual, but not perceptual, processing resources are required.

Published
2005
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15. Impaired production priming and intact identification priming in Alzheimer's disease

Author

FLEISCHMAN, DEBRA A., MONTI, LAURA A., DWORNIK, LISA M., and MORO, TERESA T.

Abstract

This study examined the distinction between identification and production processes in repetition priming for 16 patients with Alzheimer's disease (AD) and 16 healthy old control participants (NC). Words were read in three study phases. In three test phases, participants (1) reread studied words, along with unstudied words, in a word-naming task (identification priming); (2) completed 3-letter stems of studied and unstudied words into words in a word-stem completion task (production priming); and (3) answered yes or no to having read studied and unstudied words in a recognition task (explicit memory). Explicit memory and word-stem completion priming were impaired in the AD group compared to the NC group. After correcting for baseline slowing, word-naming priming magnitude did not differ between the groups. The results suggest that the distinction between production and identification processes has promise for explaining the pattern of preservation and failure of repetition priming in AD. (JINS, 2001, 7, 785–794.)

Published
2001

16. Effects of structural similarity and name frequency on picture naming in Alzheimer's disease

Author

*, SHARON L. THOMPSON-SCHILL, §, †, JOHN D. E. GABRIELI, ‡, and FLEISCHMAN, DEBRA A.

Abstract

Impairments to either perceptual or word-retrieval processes have been hypothesized to explain confrontation naming impairments in patients with Alzheimer's disease (AD). This study measured the effects of structural similarity, which affects perceptual processing, and name frequency, which affects word retrieval, on naming latency and accuracy in 16 AD patients and 16 age-matched controls. AD patients named pictures more slowly and made more errors than control participants. Their naming accuracy was disproportionately affected by name frequency, but not by structural similarity. The findings indicate that the processing of structural properties of objects is unaffected in early-stage AD, and suggest that word-retrieval impairments underlie the naming deficit in AD. (JINS, 1999, 5, 659–667.)

Published
1999

17. Neuropsychological Dissociation Between Recognition Familiarity and Perceptual Priming in Visual Long-Term Memory

Author

Wagner, Anthony D., Stebbins, Glenn T., Masciari, Francesca, Fleischman, Debra A., and Gabrieli, John D.E.

Abstract

The present study examined whether the same brain region mediates visual-perceptual repetition priming and a familiarity component of visual recognition memory. In two experiments, familiarity-based recognition was measured in an individual (M.S.) with impaired visual repetition priming due to a lesion of right occipital cortex. In both experiments, M.S. demonstrated intact recognition familiarity despite his visual nondeclarative memory impairment. These results converge with other behavioral results to indicate that recognition familiarity does not depend on the same memory system that mediates perceptual priming.

Published
1998
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18. A Dissociation between Perceptual Explicit and Implicit Memory Processes

Author

Fleischman, Debra A., Vaidya, Chandan J., Lange, Kelly L., and Gabrieli, John D.E.

Abstract

Patient M.S., who underwent right-occipital lobe resection to treat intractable epilepsy, has intact recall and recognition memory for words, but impaired repetition priming in word identification and visual stem-completion tasks. This mirror dissociation to amnesia suggests that explicit recognition and visuoperceptual repetition priming are mediated by distinct neural systems. In prior studies, however, M.S.' recognition memory was tested only with tasks that drew upon his intact verbal knowledge. The present study examined M.S.' recognition memory for nonverbal perceptual information, namely, the modality and font of word presentation and line patterns. M.S.' recognition memory was intact, providing further evidence that perceptual explicit and implicit memory processes are subserved by functionally and neurally independent memory systems.

Published
1997
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19. Say goodbye to sleepless nights.

Author

Fleischman, Debra

Subjects
*INSOMNIA treatment
Abstract

Presents information in the treatment of insomnia. Availability of sleep-disorder centers in the United States; Causes of learned or conditioned insomnia; Average amount of sleep needed by an individual; Lifestyle changes. INSET: What every mattress owner should know..

Published
1995

20. Don't let barrels and barricades bring you down.

Author

Fleischman, Debra

Subjects
*TRAFFIC safety, *AUTOMOBILE driving
Abstract

Provides tips on how to drive safely through a construction zone. Adjustment of driving speed upon sighting of construction and maintenance area signs; Paying close attention to hand signal devices; Following of path marked by cones and pavement markings.

Published
1994

21. It's not too late to save our youth.

Author

Fleischman, Debra

Subjects
ELDERS, Joycelyn, 1933-
Abstract

Presents an interview with Joycelyn Elders, Surgeon General of the United States. Health concerns; Prevention of sexually transmitted diseases (STD); Plan for substance abuse control; Support for healthcare reform; Emphasis on children.

Published
1994

22. A safety seat saved my nephew's life.

Author

Fleischman, Debra

Subjects
*CHILD restraint systems in automobiles, *ACCIDENT prevention
Abstract

Discusses the importance of using safety seats on children. Nephew's experience; Role of child safety seat; Statistics on motor vehicle accidents involving kids; Points about child restraint systems; Contact information. INSET: Child safety seat growth chart..

Published
1993

23. Strange calls to a poison-control center...

Author

Fleischman, Debra

Subjects
*POISONING prevention
Abstract

Features calls made to the University of Cincinnati Drug and Poison Information Center regarding substance misuse. Harmful effect of wrong chemical combination; Most common toxic home brews; Poison-control centers. INSET: Home brewed cleaners: Recipes for trouble?.

Published
1993

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