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Related Experiment Video

Updated: May 29, 2026

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Published on: September 18, 2018

Perceptual learning evidence for contextually-specific representations.

Tanya Kraljic¹, Arthur G Samuel

¹University of Pennsylvania, USA.

|September 24, 2011

Summary

This summary is machine-generated.

Listeners can adapt to new pronunciations, but this speech perception learning is blocked by ambiguous sounds. Visual cues can eliminate this blocking effect, suggesting episodic memory representations in speech processing.

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Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

Area of Science:

Cognitive Science
Psycholinguistics
Auditory Perception

Background:

Listeners rapidly adapt to novel pronunciations, integrating them into phonemic categories for improved perception.
Prior research indicated that perceptual learning is blocked for ambiguous pronunciations not representative of a speaker's typical speech.

Purpose of the Study:

To investigate the blocking effect in speech perception learning.
To explore the nature of underlying representations in perceptual learning.
To determine if visual information can influence or eliminate the blocking effect.

Main Methods:

Three experiments were conducted to examine the blocking effect.
Experiment 1 replicated the blocking effect.
Experiments 2 and 3 introduced simultaneous visual information during auditory signal presentation.

Main Results:

The blocking effect was successfully replicated in Experiment 1.
Simultaneous visual information eliminated the blocking effect in Experiments 2 and 3.
The findings indicate that learning and non-learning patterns are influenced by contextual cues.

Conclusions:

Speech perception learning is sensitive to the representational context of ambiguous sounds.
Episodic representations, potentially incorporating visual information, mediate speech perception.
This suggests that multimodal information plays a crucial role in how listeners adapt to variations in speech.