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Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

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Using Placebo Beverages in Group Alcohol Studies.

Molly A Bowdring¹, Michael A Sayette¹

¹University of Pittsburgh, Pittsburgh, Pennsylvania.

Alcoholism, Clinical and Experimental Research

|September 25, 2018

Summary

This summary is machine-generated.

Alcohol researchers can effectively use placebo beverages in group settings. A large study found that placebo effects on intoxication and stimulation were robust, even with suspicious participants and varying individual differences.

Keywords:

Alcohol Group Placebo Social

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Area of Science:

Psychopharmacology
Social Psychology

Background:

Placebo beverage controls are crucial for alcohol research.
Limited research exists on placebo effectiveness in group settings.
Individual differences and group dynamics may impact placebo effects.

Purpose of the Study:

To assess placebo beverage efficacy in a group drinking context.
To examine if group members influence placebo responses.
To investigate the role of individual differences in placebo effects.

Main Methods:

240 participants (50% male) in 80 three-person groups consumed placebo beverages.
Subjective intoxication, stimulation, and sedation were measured post-consumption.
Participants estimated the alcohol content of their drinks.

Main Results:

Over 99% of participants believed they consumed alcohol.
Significant increases in subjective intoxication and stimulation were reported.
Placebo responses were independent of group members and individual differences.

Conclusions:

Placebo beverage administration in group settings is effective.
Group drinking designs can be successfully employed in alcohol research.
Placebo responses are largely unaffected by social context and individual factors.