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Nicotinic effects on cognitive function: behavioral characterization, pharmacological specification, and anatomic localization.

Publication ,  Journal Article
Levin, ED; McClernon, FJ; Rezvani, AH
Published in: Psychopharmacology (Berl)
March 2006

RATIONALE: Nicotine has been shown in a variety of studies in humans and experimental animals to improve cognitive function. Nicotinic treatments are being developed as therapeutic treatments for cognitive dysfunction. OBJECTIVES: Critical for the development of nicotinic therapeutics is an understanding of the neurobehavioral bases for nicotinic involvement in cognitive function. METHODS: Specific and diverse cognitive functions affected by nicotinic treatments are reviewed, including attention, learning, and memory. The neural substrates for these behavioral actions involve the identification of the critical pharmacologic receptor targets, in particular brain locations, and how those incipient targets integrate with broader neural systems involved with cognitive function. RESULTS: Nicotine and nicotinic agonists can improve working memory function, learning, and attention. Both alpha4beta2 and alpha7 nicotinic receptors appear to be critical for memory function. The hippocampus and the amygdala in particular have been found to be important for memory, with decreased nicotinic activity in these areas impairing memory. Nicotine and nicotinic analogs have shown promise for inducing cognitive improvement. Positive therapeutic effects have been seen in initial studies with a variety of cognitive dysfunctions, including Alzheimer's disease, age-associated memory impairment, schizophrenia, and attention deficit hyperactivity disorder. CONCLUSIONS: Discovery of the behavioral, pharmacological, and anatomic specificity of nicotinic effects on learning, memory, and attention not only aids the understanding of nicotinic involvement in the basis of cognitive function, but also helps in the development of novel nicotinic treatments for cognitive dysfunction. Nicotinic treatments directed at specific receptor subtypes and nicotinic cotreatments with drugs affecting interacting transmitter systems may provide cognitive benefits most relevant to different syndromes of cognitive impairment such as Alzheimer's disease, schizophrenia, and attention deficit hyperactivity disorder. Further research is necessary in order to determine the efficacy and safety of nicotinic treatments of these cognitive disorders.

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Published In

Psychopharmacology (Berl)

DOI

ISSN

0033-3158

Publication Date

March 2006

Volume

184

Issue

3-4

Start / End Page

523 / 539

Location

Germany

Related Subject Headings

  • alpha7 Nicotinic Acetylcholine Receptor
  • Schizophrenia
  • Receptors, Nicotinic
  • Rats
  • Psychiatry
  • Nicotine
  • Mice
  • Memory
  • Learning
  • Humans
 

Citation

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Levin, E. D., McClernon, F. J., & Rezvani, A. H. (2006). Nicotinic effects on cognitive function: behavioral characterization, pharmacological specification, and anatomic localization. Psychopharmacology (Berl), 184(3–4), 523–539. https://doi.org/10.1007/s00213-005-0164-7
Levin, Edward D., F Joseph McClernon, and Amir H. Rezvani. “Nicotinic effects on cognitive function: behavioral characterization, pharmacological specification, and anatomic localization.Psychopharmacology (Berl) 184, no. 3–4 (March 2006): 523–39. https://doi.org/10.1007/s00213-005-0164-7.
Levin ED, McClernon FJ, Rezvani AH. Nicotinic effects on cognitive function: behavioral characterization, pharmacological specification, and anatomic localization. Psychopharmacology (Berl). 2006 Mar;184(3–4):523–39.
Levin, Edward D., et al. “Nicotinic effects on cognitive function: behavioral characterization, pharmacological specification, and anatomic localization.Psychopharmacology (Berl), vol. 184, no. 3–4, Mar. 2006, pp. 523–39. Pubmed, doi:10.1007/s00213-005-0164-7.
Levin ED, McClernon FJ, Rezvani AH. Nicotinic effects on cognitive function: behavioral characterization, pharmacological specification, and anatomic localization. Psychopharmacology (Berl). 2006 Mar;184(3–4):523–539.
Journal cover image

Published In

Psychopharmacology (Berl)

DOI

ISSN

0033-3158

Publication Date

March 2006

Volume

184

Issue

3-4

Start / End Page

523 / 539

Location

Germany

Related Subject Headings

  • alpha7 Nicotinic Acetylcholine Receptor
  • Schizophrenia
  • Receptors, Nicotinic
  • Rats
  • Psychiatry
  • Nicotine
  • Mice
  • Memory
  • Learning
  • Humans