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Theorising transient mood after ingestion.

Richard Hammersley¹, Marie Reid

¹Department of Psychology, School of Life Sciences, Glasgow Caledonian University, Glasgow G4 0BA, UK. richard.hammersley@gcal.ac.uk

Neuroscience and Biobehavioral Reviews

|September 9, 2008

Summary

Food and drug intake can change mood. This study suggests mood changes from ingestion are brief emotions, not prolonged moods, and are cognitively driven.

Area of Science:

Psychology
Neuroscience
Pharmacology

Background:

Ingestion of food or drugs is known to affect mood states.
Traditional theories propose moods act as reinforcers for ingestion behaviors.
Current affect models differentiate between rapid emotional responses and slower mood shifts, influenced by cognitive appraisal.

Purpose of the Study:

To investigate the relationship between ingestion, mood, and affect.
To examine whether ingestion-induced mood changes align with established two-system affect models.
To clarify the temporal dynamics and cognitive underpinnings of mood alterations following ingestion.

Main Methods:

Analysis of existing ingestion research focusing on mood ratings.
Comparison of reported mood changes with theoretical models of affect processing.

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Evaluation of the temporal characteristics of mood alterations post-ingestion.

Main Results:

Significant mood rating changes can occur without subjective reports of mood alteration.
Mood changes observed in ingestion studies are often transient, resembling emotions rather than protracted moods.
Cognitive processes appear to be the primary drivers of transient mood changes.

Conclusions:

Transient mood states are primarily cognitively induced, highlighting the importance of temporal dynamics.
Ingestion-induced affective changes are more likely brief emotions than prolonged moods.
Further research is needed to understand the interplay between affect processing, cognitive appraisal, and learning in the context of ingestion.