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A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)

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Published on: February 21, 2011

Network structure influences speech production.

Kit Ying Chan¹, Michael S Vitevitch

¹Department of Psychology, University of Kansas.

Cognitive Science

|May 14, 2011

Summary

This summary is machine-generated.

The structure of word neighbors, measured by clustering coefficient, impacts spoken word production. Higher clustering leads to more speech errors and slower picture naming, showing lexicon structure influences word retrieval.

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

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Published on: September 27, 2024

Area of Science:

Cognitive Science
Psycholinguistics
Network Science

Background:

Network science offers novel perspectives on cognitive processes by analyzing complex system structures.
The clustering coefficient, a network metric, quantifies interconnectedness among phonological neighbors in psycholinguistics.

Purpose of the Study:

To investigate how the clustering coefficient influences spoken word production.
To examine the relationship between lexical network structure and speech errors/naming times.

Main Methods:

Analysis of a corpus of speech errors.
Conducting a picture-naming task to assess word production speed.
Quantifying the clustering coefficient for target words.

Main Results:

Speech errors were more frequent for words with higher clustering coefficients (more interconnected neighbors).
Picture naming was slower for words with high clustering coefficients compared to those with low clustering coefficients.
Lexical structure, specifically neighbor interconnectedness, demonstrably affects spoken word production.

Conclusions:

The structural organization of the lexicon significantly influences lexical access during spoken word production.
Findings support the role of network properties in cognitive processes like speech.
Clustering coefficient serves as a valuable metric for understanding psycholinguistic phenomena.