Document Detail

Neuron activity in the anterolateral motor cortex in operant food-acquiring and alcohol-acquiring behavior.
MedLine Citation:
PMID:  16033198     Owner:  NLM     Status:  MEDLINE    
The interactions of the neuronal mechanisms of food-acquiring behavior and newly formed operant alcohol-acquiring behavior were studied by recording the activity of individual neurons in the anterolateral area of the motor cortex in chronically alcoholized rabbits. Adult animals learned food-acquiring behavior in a cage with two feeders and two pedals, in the comers (the food in the feeders was presented after pressing the corresponding pedal). After nine months of chronic alcoholization, the same rabbits learned an alcohol-acquiring behavior in the same experimental cage (gelatin capsules filled with 15% ethanol solution were placed in the feeders instead of food). Analysis of neuron activity showed that the set of neurons involved in supporting food-acquiring and alcohol-acquiring behaviors overlapped, though not completely. These experiments not only help us understand the neuronal mechanisms of the newly formed and the previously formed behaviors, but also facilitate the development of concepts of the similarity of the neuronal mechanisms of long-term memory and long-term modifications of the nervous system, occurring in conditions of repeated intake of addictive substances.
Yu I Aleksandrov; Yu V Grinchenko; D G Shevchenko; V N Mats; S Laukka; R G Averkin
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neuroscience and behavioral physiology     Volume:  35     ISSN:  0097-0549     ISO Abbreviation:  Neurosci. Behav. Physiol.     Publication Date:  2005 Jun 
Date Detail:
Created Date:  2005-07-21     Completed Date:  2005-08-30     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0330471     Medline TA:  Neurosci Behav Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  501-9     Citation Subset:  IM    
V. B. Shvyrkov Laboratory for the Neurophysiological Bases of Mental Activity, Institute of Psychology, Russian Academy of Sciences, Moscow.
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MeSH Terms
Action Potentials / physiology
Alcohol Drinking / psychology*
Choice Behavior / physiology
Conditioning, Operant / physiology*
Feeding Behavior / physiology*
Motor Cortex / cytology*,  physiology
Neurons / classification,  physiology*

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