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Avoidance facilitation by nootropics.

M Sansone1, A Oliverio

  • 1Istituto di Psicobiologia e Psicofarmacologia, CNR, Roma, Italy.

Progress in Neuro-Psychopharmacology & Biological Psychiatry
|January 1, 1989
PubMed
Summary
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Nootropic drugs like oxiracetam and piracetam enhance active avoidance learning in mice, especially with pretreatment. These cognitive enhancers showed specific effects in different mouse strains and interacted with other drugs in learning tasks.

Area of Science:

  • Neuroscience
  • Pharmacology
  • Behavioral Science

Background:

  • Nootropic drugs are known for their cognitive-enhancing properties.
  • Understanding their effects on learning and memory is crucial for developing treatments for cognitive deficits.

Purpose of the Study:

  • To investigate the effects of oxiracetam and piracetam on avoidance acquisition in mice.
  • To explore potential interactions between nootropics and other neuroactive substances.

Main Methods:

  • Mice (BALB/c and C57BL/6 strains) were trained in a shuttle-box avoidance task.
  • Oxiracetam and piracetam were administered before daily training sessions.
  • Drug combinations with methamphetamine and scopolamine were tested.
  • Locomotor activity was assessed as a control measure.

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Main Results:

  • Both oxiracetam and piracetam improved avoidance acquisition, particularly in BALB/c mice, and required five-day pretreatment for optimal effects.
  • Combined administration of nootropics with methamphetamine enhanced avoidance responses in C57BL/6 mice.
  • Oxiracetam showed interactive effects with scopolamine in the learning task but not in general activity tests.

Conclusions:

  • Piracetam-like nootropic agents facilitate active avoidance acquisition.
  • The neurochemical mechanisms underlying these effects require further investigation.
  • Drug interactions can modulate cognitive performance in specific behavioral contexts.