PET imaging of cortical S2 serotonin receptors after stroke: lateralized changes and relationship to depression

H. S. Mayberg, R. G. Robinson, D. F. Wong, R. Parikh, P. Bolduc, S. E. Starkstein, T. Price, R. F. Dannals, J. M. Links, A. A. Wilson, H. T. Ravert, H. N. Wagner

Research output: Contribution to journalArticlepeer-review

Abstract

Patients with right-hemisphere strokes (N = 9) more than 1 year after injury had greater cortical binding of (3-N-[11C]methyl)spiperone than a similar group of patients with left-hemisphere strokes (N = 8) or normal control subjects (N = 17). The higher S2 serotonin receptor binding occurred in uninjured regions of the right parietal and temporal cortex. The ratio of binding in the ipsilateral to contralateral cortex showed a significant negative correlation with severity of depression scores in the left temporal cortex. These findings suggest that the biochemical response of the brain may be different depending on which hemisphere is injured and that some depressions may be a consequence of the failure to upregulate serotonin receptors after stroke.

Original languageEnglish (US)
Pages (from-to)937-943
Number of pages7
JournalAmerican Journal of Psychiatry
Volume145
Issue number8
DOIs
StatePublished - 1988

ASJC Scopus subject areas

  • Psychiatry and Mental health

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