Nicotine does not produce state-dependent effects on learning in a Pavlovian appetitive goal tracking task with rats

Rick A Bevins, Rachel D. Penrod, Carmela M. Reichel

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Past research has shown that when rats received 0.4 mg base/kg nicotine paired reliably with intermittent sucrose delivery that anticipatory sucrose-seeking behavior (i.e., goal tracking) was differentially displayed in the nicotine state relative to intermixed saline sessions in which no sucrose was delivered. The present research extended this observation to a lower dose of nicotine (i.e., 0.2 mg base/kg) and tested a state-dependent learning account of differential conditioned responding. According to this account, the increase in goal tracking on nicotine sessions reflects a chamber-sucrose association that is only recalled when in the nicotine state. We used a 2 × 2 factorial design in which rats received sucrose deliveries in one drug state (nicotine or saline) and were then tested in the same state (Nic → Nic or Sal → Sal) or a different state (Nic → Sal or Sal → Nic) after acquiring the conditioned response. A state-dependency account predicts disruption in conditioned goal tracking for rats that receive a shift in drug state on the test day. This disruption did not occur suggesting that differential control of conditioned responding by nicotine is more likely due to a direct excitatory association between the interoceptive cueing effects of nicotine and the appetitive qualities of sucrose.

Original languageEnglish (US)
Pages (from-to)134-141
Number of pages8
JournalBehavioural Brain Research
Volume177
Issue number1
DOIs
StatePublished - Feb 12 2007

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Keywords

  • Classical conditioning
  • Interoceptive cue
  • Learning
  • Memory
  • Nicotinic acetylcholine
  • Pharmacological conditioned stimulus
  • Recall
  • Smoking
  • Tobacco

ASJC Scopus subject areas

  • Behavioral Neuroscience

Cite this

Nicotine does not produce state-dependent effects on learning in a Pavlovian appetitive goal tracking task with rats. / Bevins, Rick A; Penrod, Rachel D.; Reichel, Carmela M.

In: Behavioural Brain Research, Vol. 177, No. 1, 12.02.2007, p. 134-141.

Research output: Contribution to journalArticle

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