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Related Experiment Video

Updated: May 17, 2026

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion

Published on: May 4, 2011

The generation effect: activating broad neural circuits during memory encoding.

Zachary A Rosner¹, Jeremy A Elman, Arthur P Shimamura

¹Department of Psychology, University of California, Berkeley, CA 94720-1650, USA. zrosner@berkeley.edu

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior

|October 20, 2012

Summary

This summary is machine-generated.

Actively generating information during learning enhances memory recall. This study used fMRI to reveal that the generation effect involves a widespread brain network across the prefrontal and posterior cortex.

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Area of Science:

Cognitive Neuroscience
Psychology
Neuroimaging

Background:

The generation effect is a well-established memory phenomenon.
Active production of information during encoding improves memory performance.
The neural mechanisms underlying this effect require further investigation.

Purpose of the Study:

To explore the neural basis of the generation effect using functional magnetic resonance imaging (fMRI).
To identify the brain regions associated with improved memory performance due to active generation.

Main Methods:

Participants engaged in two encoding tasks: generating synonyms from word fragments or reading synonym pairs.
Recognition memory performance was assessed after the encoding phase.
fMRI was used to measure brain activity during the encoding tasks.

Main Results:

Generating target words significantly enhanced later recognition memory compared to simply reading them.
The generation benefit was associated with activation in a broad neural network.
This network included prefrontal areas (inferior and middle frontal gyrus) and posterior cortical regions (inferior temporal gyrus, lateral occipital cortex, parahippocampal gyrus, ventral posterior parietal cortex).

Conclusions:

The generation effect is linked to enhanced memory performance.
This mnemonic benefit involves a distributed prefrontal-posterior cortical network.
These findings elucidate the neural dynamics underlying the generation effect.