Cited by 44Memory and Neural MechanismsPrenatal Substance Exposure EffectsAlcoholism and Thiamine Deficiency

Reversibility of object recognition but not spatial memory impairment following binge-like alcohol exposure in rats

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Cippitelli, Andrea, Zook, Michelle, Bell, Lauren, Damadzic, Ruslan, Eskay, Robert L., Schwandt, Melanie, Heilig, Markus·2010·Neurobiology of Learning and Memory

Abstract

Excessive alcohol use leads to neurodegeneration in several brain structures including the hippocampal dentate gyrus and the entorhinal cortex. Cognitive deficits that result are among the most insidious and debilitating consequences of alcoholism. The object exploration task (OET) provides a sensitive measurement of spatial memory impairment induced by hippocampal and cortical damage. In this study, we examine whether the observed neurotoxicity produced by a 4-day binge ethanol treatment results in long-term memory impairment by observing the time course of reactions to spatial change (object configuration) and non-spatial change (object recognition). Wistar rats were assessed for their abilities to detect spatial configuration in the OET at 1 week and 10 weeks following the ethanol treatment, in which ethanol groups received 9-15 g/kg/day and achieved blood alcohol levels over 300 mg/dl. At 1 week, results indicated that the binge alcohol treatment produced impairment in both spatial memory and non-spatial object recognition performance. Unlike the controls, ethanol treated rats did not increase the duration or number of contacts with the displaced object in the spatial memory task, nor did they increase the duration of contacts with the novel object in the object recognition task. After 10 weeks, spatial memory remained impaired in the ethanol treated rats but object recognition ability was recovered. Our data suggest that episodes of binge-like alcohol exposure result in long-term and possibly permanent impairments in memory for the configuration of objects during exploration, whereas the ability to detect non-spatial changes is only temporarily affected.

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Crossref · 10.1016/j.nlm.2010.09.006

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  • Certain aspects of HC-dependent learning and memory, such as spatial learning and memory, were not impacted following adolescent alcohol exposure but were in adults.

    “Although there is evidence for persistent neurological and cognitive deficits in HC function, it is important to note that certain aspects of HC-dependent learning and memory, such as spatial learning and memory, were not impacted following adolescent exposure (Coleman et al. 2011; Vetreno and Crews 2012) but were in adults (Cippitelli et al. 2010).”

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  1. Aggleton JP Vann SD Oswald CJ Good M Identifying cortical inputs to the rat hippocampus that subserve allocentric spatial processes: a simple problem with a complex answer Hippocampus 2000 10 466 474 10985286

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Authors
Cippitelli, A., Zook, M., Bell, L., Damadzic, R., Eskay, R. L., Schwandt, M., & Heilig, M.
Affiliations
National Institutes of Health (US)
Corresponding author
Cippitelli, Andrea
Venue
Neurobiology of Learning and Memory
Publisher
Elsevier BV
Published
2010-11
Volume
94
Issue
4
Pages
538-546
ISSN
1074-7427 (ISSN-L)
OpenAlex
W1998864147
Cited by
44
References
53
Citations by year
2026: 2 · 2023: 1 · 2022: 3 · 2021: 4 · 2020: 2 · 2019: 3 · 2018: 4 · 2017: 3 · 2016: 6 · 2015: 3 · 2014: 3 · 2013: 3 · 2012: 5
FWCI
1.94
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Learning and Memory (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Johns Hopkins University
  • National Institutes of Health
  • National Institute on Alcohol Abuse and Alcoholism (ZIAAA000487)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
  • Health Sciences › Medicine › Neurology › Alcoholism and Thiamine Deficiency
Keywords
binge ethanol, object recognition, spatial memory, hippocampal neurotoxicity, entorhinal cortex, alcoholism, memory impairment
MeSH terms
Alcohol Drinking, Ethanol, Analysis of Variance, Animals, Central Nervous System Depressants, Discrimination, Psychological, Disease Models, Animal, Exploratory Behavior, Male, Nerve Degeneration, Neurons, Reaction Time, Space Perception, Spatial Behavior, Time Factors, Cell Death, Rats, Wistar, Entorhinal Cortex, Dentate Gyrus, Recovery of Function, Recognition, Psychology, Rats

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