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Related Experiment Video

Updated: Sep 26, 2025

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Distributed networks for auditory memory differentially contribute to recall precision.

Sung-Joo Lim1, Christiane Thiel2, Bernhard Sehm3

  • 1Department of Psychology, University of Lübeck, Maria-Goeppert-Str. 9a, Lübeck 23562, Germany; Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig 04103, Germany; Department of Psychology, Binghamton University, State University of New York, 4400 Vestal Parkway E, Vestal, Binghamton, NY 13902, USA; Department of Speech, Language, and Hearing Sciences, Boston University, Boston, MA, USA.

Neuroimage
|April 22, 2022
PubMed
Summary
This summary is machine-generated.

Directing attention to auditory working memory enhances recall precision. Neural fidelity in the left superior temporal sulcus (STS) and its attention-based enhancement critically predict memory improvements.

Keywords:
Auditory retrospective attentionAuditory working memoryMultivariate pattern decodingPerceptual precisionfMRI

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Auditory Perception

Background:

  • Attentional control enhances working memory representations.
  • The neural mechanisms of attention-based memory enhancement across brain networks are not fully understood.
  • Investigating sensory and cognitive-control interactions is crucial for understanding memory fidelity.

Purpose of the Study:

  • To investigate how attention enhances auditory working memory representations.
  • To identify the specific brain regions and neural mechanisms involved in this enhancement.
  • To correlate neural fidelity with behavioral improvements in auditory memory recall.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) experiment.
  • Psychophysical modeling and multivariate auditory-pattern decoding.
  • Auditory syllable pitch-discrimination task with retro-cues for selective attention.

Main Results:

  • Valid retro-cues enhanced neural activation in fronto-parietal and cingulo-opercular networks.
  • Faster and more sensitive behavioral responses were observed for cued syllables.
  • Auditory memory information was decodable from hemodynamic patterns in STS, fronto-parietal, and sensorimotor regions.
  • Neural fidelity in the left STS, modulated by attention, predicted enhanced auditory memory recall.

Conclusions:

  • Attention selectively enhances auditory memory representations within specific brain regions.
  • The left STS plays a critical role in maintaining and enhancing auditory memory fidelity.
  • Functionally distinct brain regions contribute differentially to attention-based memory enhancement.