Antipsychotic drug effects in a model of schizophrenic attentional disorder: A randomized controlled trial of the effects of haloperidol on latent inhibition in healthy people

Jonathan H. Williams*, Nigel A. Wellman, David P. Geaney, Philip J. Cowen, Joram Feldon, J. N.P. Rawlins

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

We studied the effects of haloperidol (0.5 mg, intravenously) on latent inhibition in an auditory paradigm and two visual paradigms in healthy subjects. Haloperidol increased latent inhibition in one visual paradigm and tended to increase latent inhibition in an auditory task, compared to saline-injected controls. These results indicate that haloperidol can enhance the selectivity of attention. In contrast, previous studies have reported that acute schizophrenics show reduced latent inhibition.

Original languageEnglish
Pages (from-to)1135-1143
Number of pages9
JournalBiological Psychiatry
Volume40
Issue number11
DOIs
StatePublished - 1 Dec 1996
Externally publishedYes

Keywords

  • attention
  • haloperidol
  • healthy volunteers
  • latent inhibition
  • randomized controlled trial
  • schizophrenia

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