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Related Experiment Videos

Brain activity before an event predicts later recollection.

Leun J Otten1, Angela H Quayle, Sarah Akram

  • 1Institute of Cognitive Neuroscience and Department of Psychology, University College London, 17 Queen Square, London, WC1N 3AR, UK. l.otten@ucl.ac.uk

Nature Neuroscience
|February 28, 2006
PubMed
Summary

Neural activity before an event, not just after, predicts memory encoding. Brain activity preceding a cue can forecast if a word will be remembered later.

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Area of Science:

  • Cognitive Neuroscience
  • Neuroscience of Memory

Background:

  • Memory encoding success is linked to neural activity following an event.
  • The role of neural activity preceding an event in memory encoding remains less understood.

Purpose of the Study:

  • To investigate if neural activity preceding an event influences memory encoding.
  • To determine the predictive power of pre-event neural activity on later memory recall.

Main Methods:

  • Two experiments were conducted using human participants.
  • Electroencephalography (EEG) or similar neuroimaging techniques were likely employed to measure brain activity.
  • Participants were presented with cues followed by words, with subsequent memory tests.

Main Results:

Related Experiment Videos

  • Neural activity elicited by a cue presented shortly before a word predicted subsequent recollection.
  • Pre-event brain activity demonstrated predictive power for memory encoding success.

Conclusions:

  • Memory encoding is influenced by neural activity that precedes the event itself.
  • Pre-stimulus neural activity is a significant factor in successful memory formation.