Temporal information processing as a basis for auditory comprehension: clinical evidence from aphasic patients

International Journal of Language & Communication Disorders
Anna OronElzbieta Szelag

Abstract

Temporal information processing (TIP) underlies many aspects of cognitive functions like language, motor control, learning, memory, attention, etc. Millisecond timing may be assessed by sequencing abilities, e.g. the perception of event order. It may be measured with auditory temporal-order-threshold (TOT), i.e. a minimum time gap separating two successive stimuli necessary for a subject to report their temporal order correctly, thus the relation 'before-after'. Neuropsychological evidence has indicated elevated TOT values (corresponding to deteriorated time perception) in different clinical groups, such as aphasic patients, dyslexic subjects or children with specific language impairment. To test relationships between elevated TOT and declined cognitive functions in brain-injured patients suffering from post-stroke aphasia. We tested 30 aphasic patients (13 male, 17 female), aged between 50 and 81 years. TIP comprised assessment of TOT. Auditory comprehension was assessed with the selected language tests, i.e. Token Test, Phoneme Discrimination Test (PDT) and Voice-Onset-Time Test (VOT), while two aspects of attentional resources (i.e. alertness and vigilance) were measured using the Test of Attentional Performance (TAP) batter...Continue Reading

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Citations

Feb 2, 2016·The Journal of the Acoustical Society of America·Richard D LenhartPreston S Wilson
Dec 1, 2015·Frontiers in Psychology·Elzbieta SzelagAnna Oron
Nov 4, 2016·Frontiers in Psychology·Kamila NowakElzbieta Szelag
Jun 22, 2018·Frontiers in Human Neuroscience·Aneta SzymaszekElzbieta Szelag
Apr 27, 2017·Frontiers in Aging Neuroscience·Aneta SzymaszekElzbieta Szelag
Jan 12, 2021·Frontiers in Human Neuroscience·Mateusz ChoinskiAneta Szymaszek

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