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Related Experiment Video

Updated: Jul 13, 2026

Studying Food Reward and Motivation in Humans

Studying Food Reward and Motivation in Humans

Published on: March 19, 2014

Reward, context, and human behaviour.

Clare L Blaukopf¹, Gregory J DiGirolamo

¹Department of Experimental Psychology, University of Cambridge, UK. clp33@cam.ac.uk

Thescientificworldjournal

|July 11, 2007

Summary

Understanding reward processing requires examining behavior. This review highlights how reward context and awareness influence actions, emphasizing the need for studies that include knowledge of rewards and behavioral outcomes.

Area of Science:

Neuroscience
Behavioral Science
Cognitive Psychology

Background:

Animal models and human neuroimaging reveal extensive brain networks for reward processing, including expectation, prediction, and value calculation.
Existing research primarily focuses on brain activity related to rewards, often overlooking the generated behaviors and their context.
Secondary rewards, such as monetary rewards, are also processed within these networks and are more unique to humans.

Purpose of the Study:

To rebalance the literature by emphasizing the importance of behavioral outcomes and context in reward processing.
To examine how different reward contexts (e.g., reward vs. reward and punishment) influence actions.
To investigate the differential impact of conscious versus unconscious awareness of reward-related actions on behavior.

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Studying Food Reward and Motivation in Humans

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Published on: March 19, 2014

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Published on: February 4, 2016

A Conflict Model of Reward-seeking Behavior in Male Rats

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Main Methods:

Review of existing literature on reward-related brain activity.
Analysis of studies examining the effect of reward context on behavior.
Examination of research differentiating conscious and unconscious influences on reward-driven actions.

Main Results:

Reward context significantly influences behavior, with different outcomes observed in the presence of reward versus combined reward and punishment.
Awareness of reward-related actions differentially impacts behavior compared to unconscious processing.
Findings underscore the limitations of animal models in fully capturing human reward processing due to potential differences in conscious awareness.

Conclusions:

Further research is needed to comprehensively understand human responses to reward, including distinctions between conscious and unconscious behaviors.
Future studies should incorporate measures of an organism's (human or nonhuman) knowledge of the reward and its own behavioral outcome.
Integrating behavioral analysis with neurobiological findings is crucial for a complete understanding of reward systems.