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Effects of pretraining treatment with testosterone on successive and anticipatory negative contrast
- Source :
- Physiologybehavior. 105(4)
- Publication Year :
- 2011
-
Abstract
- Previous research indicated that the suppression of consummatory behavior that follows incentive downshift in male rats is attenuated by testosterone (T) administration during training. The present experiments were designed to assess the role of pretraining T administration on two incentive contrast situations in consummatory behavior: successive negative contrast (cSNC) and anticipatory negative contrast (cANC). In cSNC (Experiment 1), a downshift from 32% to 4% sucrose leads to behavioral suppression relative to an unshifted, 4% sucrose condition (the cSNC effect). Pretraining T administration enhanced consummatory behavior directed at 4% sucrose, without affecting behavior directed at 32% sucrose. This effect obscured a reduction in the cSNC effect by the T treatment that was only detected when a proportional measure of behavior was used. In cANC (Experiment 2), groups received access to two bottles per day separated by a short midtrial interval. Consumption of 4% sucrose is suppressed when the second bottle offers 32% sucrose, relative to 4% sucrose (the cANC effect). Pretraining T did not affect the cANC effect, known to be insensitive to treatment with anxiolytics. These results suggest an anxiolytic-like effect of testosterone in adjustment to incentive downshifts. Fil: Justel, Nadia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Médicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Médicas; Argentina Fil: Ruetti, Eliana Martha. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Médicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Médicas; Argentina Fil: Mustaca, Alba Elisabeth. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones Médicas. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones Médicas; Argentina Fil: Papini, Mauricio Roberto. Texas Christian University; Estados Unidos
- Subjects :
- Male
medicine.medical_specialty
Sucrose
Emotions
Experimental and Cognitive Psychology
Drug Administration Schedule
Developmental psychology
RATS
CIENCIAS SOCIALES
Behavioral Neuroscience
chemistry.chemical_compound
Internal medicine
TESTOSTERONE
Male rats
CONSUMMATORY SUCCESSIVE NEGATIVE CONTRAST
medicine
Animals
Testosterone
Reinforcement
Motivation
Dose-Response Relationship, Drug
Otras Psicología
Psicología
Rats
Dose–response relationship
Inhibition, Psychological
Endocrinology
Negative contrast
chemistry
CONSUMMATORY ANTICIPATORY CONTRAST
Psychology
Consummatory Behavior
Reinforcement, Psychology
Subjects
Details
- ISSN :
- 1873507X
- Volume :
- 105
- Issue :
- 4
- Database :
- OpenAIRE
- Journal :
- Physiologybehavior
- Accession number :
- edsair.doi.dedup.....c2cbe56b4065d68d196c03bffcb0ddcf