Auditory beat perception is related to speech output fluency in post-stroke aphasia

James D Stefaniak; Matthew A Lambon Ralph; Blanca De Dios Perez; Timothy D Griffiths; Manon Grube

doi:10.1038/s41598-021-82809-w

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Auditory beat perception is related to speech output fluency in post-stroke aphasia

Journal article

Open access

Peer reviewed

Auditory beat perception is related to speech output fluency in post-stroke aphasia

James D Stefaniak, Matthew A Lambon Ralph, Blanca De Dios Perez, Timothy D Griffiths and Manon Grube

Scientific reports, Vol.11(1), pp.3168-3168

02/04/2021

DOI: 10.1038/s41598-021-82809-w

PMCID: PMC7862238

PMID: 33542379

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Abstract

Aphasia affects at least one third of stroke survivors, and there is increasing awareness that more fundamental deficits in auditory processing might contribute to impaired language performance in such individuals. We performed a comprehensive battery of psychoacoustic tasks assessing the perception of tone pairs and sequences across the domains of pitch, rhythm and timbre in 17 individuals with post-stroke aphasia and 17 controls. At the level of individual differences we demonstrated a correlation between metrical pattern (beat) perception and speech output fluency with strong effect (Spearman's rho = 0.72). This dissociated from more basic auditory timing perception, which did not correlate with output fluency. This was also specific in terms of the language and cognitive measures, amongst which phonological, semantic and executive function did not correlate with beat detection. We interpret the data in terms of a requirement for the analysis of the metrical structure of sound to construct fluent output, with both being a function of higher-order "temporal scaffolding". The beat perception task herein allows measurement of timing analysis without any need to account for motor output deficit, and could be a potential clinical tool to examine this. This work suggests strategies to improve fluency after stroke by training in metrical pattern perception.

Aged

Aphasia - diagnostic imaging

Aphasia - etiology

Aphasia - physiopathology

Auditory Perception

Brain - diagnostic imaging

Brain - physiopathology

Case-Control Studies

Executive Function

Female

Humans

Individuality

Language

Magnetic Resonance Imaging

Male

Middle Aged

Neuropsychological Tests

Psychoacoustics

Semantics

Speech

Speech Perception

Stroke - complications

Stroke - diagnostic imaging

Stroke - physiopathology

Details

Title: Subtitle: Auditory beat perception is related to speech output fluency in post-stroke aphasia
Creators: James D Stefaniak - Manchester Academic Health Science Centre
Matthew A Lambon Ralph - University of Cambridge
Blanca De Dios Perez - University of Nottingham
Timothy D Griffiths - Newcastle University
Manon Grube - Newcastle University
Resource Type: Journal article
Publication Details: Scientific reports, Vol.11(1), pp.3168-3168
DOI: 10.1038/s41598-021-82809-w
PMID: 33542379
PMCID: PMC7862238
ISSN: 2045-2322
eISSN: 2045-2322
Grant note: 203914/Z/16/Z / Wellcome Trust MC_UU_00005/18 / Medical Research Council WT106964MA / Wellcome Trust Wellcome Trust MR/T032553/1 / Medical Research Council MR/M013383/1 / Medical Research Council
Language: English
Date published: 02/04/2021
Academic Unit: Psychological and Brain Sciences
Record Identifier: 9984627190002771

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