Neural Basis of Δ-9-Tetrahydrocannabinol and Cannabidiol: Effects During Response Inhibition

Stefan J. Borgwardt*, Paul Allen, Sagnik Bhattacharyya, Paolo Fusar-Poli, Jose A. Crippa, Marc L. Seal, Valter Fraccaro, Zerrin Atakan, Rocio Martin-Santos, Colin O'Carroll, Katya Rubia, Philip K. McGuire

*Korrespondierende/r Autor/-in für diese Arbeit
174 Zitate (Scopus)

Abstract

Background: This study examined the effect of Δ-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) on brain activation during a motor inhibition task. Methods: Functional magnetic resonance imaging and behavioural measures were recorded while 15 healthy volunteers performed a Go/No-Go task following administration of either THC or CBD or placebo in a double-blind, pseudo-randomized, placebo-controlled repeated measures within-subject design. Results: Relative to placebo, THC attenuated activation in the right inferior frontal and the anterior cingulate gyrus. In contrast, CBD deactivated the left temporal cortex and insula. These effects were not related to changes in anxiety, intoxication, sedation, and psychotic symptoms. Conclusions: These data suggest that THC attenuates the engagement of brain regions that mediate response inhibition. CBD modulated function in regions not usually implicated in response inhibition.

OriginalspracheEnglisch
ZeitschriftBiological Psychiatry
Jahrgang64
Ausgabenummer11
Seiten (von - bis)966-973
Seitenumfang8
ISSN0006-3223
DOIs
PublikationsstatusVeröffentlicht - 01.12.2008

Fördermittel

This study was supported by grants from the Psychiatry Research Trust, United Kingdom. SB is supported by an MRC Clinical Research Training Fellowship. PFP is supported by the Guy's & St. Thomas' Charitable Foundation, New Services and Innovations in Health Care. All authors have agreed to the submission of this article in this form, and we do not have any conflict interests that might be interpreted as influencing its content.

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