Effects of dextroamphetamine on cognitive performance and cortical activation

Venkata S. Mattay, Joseph H. Callicott, Alessandro Bertolino, Ian Heaton, Joseph A. Frank, Richard Coppola, Karen F. Berman, Terry E. Goldberg, Daniel R. Weinberger

Research output: Contribution to journalArticle

223 Citations (Scopus)

Abstract

Monoaminergic neurotransmitters are known to have modulatory effects on cognition and on neurophysiological function in the cortex. The current study was performed with BOLD fMRI to examine physiological correlates of the effects of dextroamphetamine on working-memory performance in healthy controls. In a group analysis dextroamphetamine increased BOLD signal in the right prefrontal cortex during a task with increasing working-memory load that approached working-memory capacity. However, the effect of dextroamphetamine on performance and on signal change varied across individuals. Dextroamphetamine improved performance only in those subjects who had relatively low working-memory capacity at baseline, whereas in the subjects who had high working-memory capacity at baseline, it worsened performance. In subjects whose performance deteriorated, signal change was greater than that in subjects who had an improvement in performance, and these variations were correlated (Spearman ρ = 0.89, P <0.02). These data shed light on the manner in which monoaminergic tone, working memory, and prefrontal function interact and, moreover, demonstrate that even in normal subjects the behavioral and neurophysiologic effects of dextroamphetamine are not homogeneous. These heterogeneic effects of dextroamphetamine may be explained by genetic variations that interact with the effects of dextroamphetamine.

Original languageEnglish
Pages (from-to)268-275
Number of pages8
JournalNeuroImage
Volume12
Issue number3
DOIs
Publication statusPublished - 2000

Fingerprint

Dextroamphetamine
Short-Term Memory
Prefrontal Cortex
Cognition
Neurotransmitter Agents
Magnetic Resonance Imaging

Keywords

  • BOLD fMRI
  • Catecholamines
  • Cognition
  • Cortical activation
  • Dextroamphetamine
  • Dopamine
  • Working memory

ASJC Scopus subject areas

  • Cognitive Neuroscience
  • Neurology

Cite this

Mattay, V. S., Callicott, J. H., Bertolino, A., Heaton, I., Frank, J. A., Coppola, R., ... Weinberger, D. R. (2000). Effects of dextroamphetamine on cognitive performance and cortical activation. NeuroImage, 12(3), 268-275. https://doi.org/10.1006/nimg.2000.0610

Effects of dextroamphetamine on cognitive performance and cortical activation. / Mattay, Venkata S.; Callicott, Joseph H.; Bertolino, Alessandro; Heaton, Ian; Frank, Joseph A.; Coppola, Richard; Berman, Karen F.; Goldberg, Terry E.; Weinberger, Daniel R.

In: NeuroImage, Vol. 12, No. 3, 2000, p. 268-275.

Research output: Contribution to journalArticle

Mattay, VS, Callicott, JH, Bertolino, A, Heaton, I, Frank, JA, Coppola, R, Berman, KF, Goldberg, TE & Weinberger, DR 2000, 'Effects of dextroamphetamine on cognitive performance and cortical activation', NeuroImage, vol. 12, no. 3, pp. 268-275. https://doi.org/10.1006/nimg.2000.0610
Mattay VS, Callicott JH, Bertolino A, Heaton I, Frank JA, Coppola R et al. Effects of dextroamphetamine on cognitive performance and cortical activation. NeuroImage. 2000;12(3):268-275. https://doi.org/10.1006/nimg.2000.0610
Mattay, Venkata S. ; Callicott, Joseph H. ; Bertolino, Alessandro ; Heaton, Ian ; Frank, Joseph A. ; Coppola, Richard ; Berman, Karen F. ; Goldberg, Terry E. ; Weinberger, Daniel R. / Effects of dextroamphetamine on cognitive performance and cortical activation. In: NeuroImage. 2000 ; Vol. 12, No. 3. pp. 268-275.
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