Resting state functional magnetic resonance imaging reveals distinct brain activity in heavy cannabis users - A multi-voxel pattern analysis

H. Cheng, P. D. Skosnik, B. J. Pruce, M. S. Brumbaugh, J. M. Vollmer, D. J. Fridberg, Brian O'Donnell, W. P. Hetrick, S. D. Newman

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Chronic cannabis use can cause cognitive, perceptual and personality alterations, which are believed to be associated with regional brain changes and possible changes in connectivity between functional regions. This study aims to identify the changes from resting state functional magnetic resonance imaging scans. A two-level multi-voxel pattern analysis was proposed to classify male cannabis users from normal controls. The first level analysis works on a voxel basis and identifies clusters for the input of a second level analysis, which works on the functional connectivity between these regions. We found distinct clusters for male cannabis users in the middle frontal gyrus, precentral gyrus, superior frontal gyrus, posterior cingulate cortex, cerebellum and some other regions. Based on the functional connectivity of these clusters, a high overall accuracy rate of 84-88% in classification accuracy was achieved. High correlations were also found between the overall classification accuracy and Barrett Barrett Impulsiveness Scale factor scores of attention and motor. Our result suggests regional differences in the brains of male cannabis users that span from the cerebellum to the prefrontal cortex, which are associated with differences in functional connectivity.

Original languageEnglish
Pages (from-to)1030-1040
Number of pages11
JournalJournal of Psychopharmacology
Volume28
Issue number11
DOIs
StatePublished - 2014

Fingerprint

Cannabis
Magnetic Resonance Imaging
Brain
Prefrontal Cortex
Cerebellum
Gyrus Cinguli
Frontal Lobe
Personality

Keywords

  • cannabis
  • multi-voxel pattern analysis
  • Resting state functional magnetic resonance imaging

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)
  • Psychiatry and Mental health

Cite this

Cheng, H., Skosnik, P. D., Pruce, B. J., Brumbaugh, M. S., Vollmer, J. M., Fridberg, D. J., ... Newman, S. D. (2014). Resting state functional magnetic resonance imaging reveals distinct brain activity in heavy cannabis users - A multi-voxel pattern analysis. Journal of Psychopharmacology, 28(11), 1030-1040. https://doi.org/10.1177/0269881114550354

Resting state functional magnetic resonance imaging reveals distinct brain activity in heavy cannabis users - A multi-voxel pattern analysis. / Cheng, H.; Skosnik, P. D.; Pruce, B. J.; Brumbaugh, M. S.; Vollmer, J. M.; Fridberg, D. J.; O'Donnell, Brian; Hetrick, W. P.; Newman, S. D.

In: Journal of Psychopharmacology, Vol. 28, No. 11, 2014, p. 1030-1040.

Research output: Contribution to journalArticle

Cheng, H. ; Skosnik, P. D. ; Pruce, B. J. ; Brumbaugh, M. S. ; Vollmer, J. M. ; Fridberg, D. J. ; O'Donnell, Brian ; Hetrick, W. P. ; Newman, S. D. / Resting state functional magnetic resonance imaging reveals distinct brain activity in heavy cannabis users - A multi-voxel pattern analysis. In: Journal of Psychopharmacology. 2014 ; Vol. 28, No. 11. pp. 1030-1040.
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