Psychopharmacology

, Volume 116, Issue 3, pp 382–384 | Cite as

Smoking and raven IQ

  • Con Stough
  • Gordon Mangan
  • Tim Bates
  • O. Pellett
Rapid Communications

Abstract

Nicotine has recently been shown to enhance measures of information processing speed including the decision time (DT) component of simple and choice reaction time and the string length measure of evoked potential waveform complexity. Both (DT and string length) have been previously demonstrated to correlate with performance on standard intelligence tests (IQ). We therefore hypothesised that nicotine is acting to improve intellectual performance on the elementary information processing correlates of IQ. In the current experiment we tested this hypothesis using the Raven Advanced Progressive Matrices (APM) test. APM scores were significantly higher in the smoking session compared to the non-smoking session, suggesting that nicotine acts to enhance physiological processes underlying performance on intellectual tasks.

Key words

Intelligence APM Nicotine Smoking Cholinergic system 

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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • Con Stough
    • 1
  • Gordon Mangan
    • 1
  • Tim Bates
    • 1
  • O. Pellett
    • 1
  1. 1.Psychophysiology Laboratory, Department of PsychologyUniversity of AucklandAucklandNew Zealand

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