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Related Concept Videos

Hearing01:31

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
Long-term Potentiation01:35

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Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Long-term Potentiation01:25

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Hebbian LTP
LTP can occur when presynaptic neurons...

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Related Experiment Video

Updated: Jul 15, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Short-term and long-term adaptive changes in prosodic comprehension.

Amelia Ostrow1, Chigusa Kurumada1

  • 1Department of Brain and Cognitive Sciences, University of Rochester.

Journal of Experimental Psychology. Learning, Memory, and Cognition
|July 13, 2026
PubMed
Summary

Listeners rapidly adapt to variations in speech prosody, the rhythm and intonation of speech. This adaptation to a talker

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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Related Experiment Videos

Last Updated: Jul 15, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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Area of Science:

  • Psychology
  • Linguistics
  • Cognitive Science

Background:

  • Speech prosody conveys linguistic and social information.
  • Variability in prosody poses challenges for speech perception (invariance problem).
  • Listener comprehension systems adapt to variable input in a talker-sensitive manner.

Purpose of the Study:

  • Investigate the stability and longevity of listener adaptation to speech prosody.
  • Determine how long adaptation effects persist after exposure.

Main Methods:

  • Large-scale (N=424) adaptation experiment with a two-session design.
  • Listeners underwent pretest, exposure, and posttest sequences.
  • Adaptation to an ambiguous prosodic contour was assessed after delays of 3, 5, or 7 days.

Main Results:

  • Adaptation to speech prosody is rapid, occurring within the first few exposure trials.
  • Listeners maintained adaptive shifts for up to 7 days after initial exposure.
  • Evidence for stable, long-term adaptation to talker-specific prosody was observed.

Conclusions:

  • Listener adaptation to speech prosody is both quick and durable.
  • Findings extend knowledge on the persistence of adaptive shifts in speech processing.
  • Potential memory mechanisms for long-term cross-talker adaptation are discussed.