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Comparative Study
. 2010 Sep-Oct;45(5):437-43.
doi: 10.1093/alcalc/agq042. Epub 2010 Aug 20.

fMRI BOLD response in high-risk college students (Part 1): during exposure to alcohol, marijuana, polydrug and emotional picture cues

Suchismita Ray  1 , Catherine Hanson, Stephen J Hanson, Marsha E Bates
Affiliations
Comparative Study

fMRI BOLD response in high-risk college students (Part 1): during exposure to alcohol, marijuana, polydrug and emotional picture cues

Suchismita Ray et al. Alcohol Alcohol. 2010 Sep-Oct.

Abstract

Aim: This functional magnetic resonance imaging (fMRI) study examined reactivity to alcohol, polydrug, marijuana and emotional picture cues in students who were referred to a college alcohol and drug assistance program.

Methods: The fMRI data of 10 participants (5 females; 5 males) were collected while they viewed standardized emotional and appetitive cues.

Results: Positive and negative emotional cues produced greater activity than neutral cues in the expected brain areas. Compared with neutral cues, alcohol cues produced greater brain activation in the right insula, left anterior cingulate, left caudate and left prefrontal cortex (Z = 2.01, 1.86, 1.82, 1.81, respectively; P < 0.05). Drug cues produced significantly greater left prefrontal activity compared with neutral cues, with polydrug cues activating the right insula and marijuana cues activating left anterior cingulate.

Conclusions: Students at-risk for alcohol abuse showed neural reactivity to alcohol cues in four brain regions, which is consistent with their greater use of alcohol. Insula activation to appetitive cues may be an early marker of risk for progression to alcohol/drug abuse.

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Figures

Fig. 1
Fig. 1
Increased right anterior insula activation in response to alcohol-related picture cues compared to neutral picture cues in the axial view.
Fig. 2
Fig. 2
Increased right anterior insula activation in response to alcohol-related picture cues compared to neutral picture cues in the coronal view.
Fig. 3
Fig. 3
Increased right anterior insula activation in response to alcohol-related picture cues compared to neutral picture cues in the saggital view.
Fig. 4
Fig. 4
Physiological reactivity measured by a 0.1 Hz Heart Rate Variability (HRV) index in response to alcohol, marijuana, polydrug, negative-emotional, positive-emotional and neutral picture cues.
See this image and copyright information in PMC

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