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Perception and expression of emotion in TBI : identification of emotion, recognition of emotional ambiguity, and emotional verbal fluency
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Augmented reality for speech and language intervention in autism spectrum disorder
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Comparison of traditional and telepractice-based treatment in the management of stroke-related aphasia
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Code-switching patterns and inhibitory control in bilinguals with traumatic brain injury
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Multimodal nonvocal nonword matching in adults who stutter
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Abstract:
Significant data suggest that phonological working memory (PWM) is impaired in adults who stutter (e.g., Byrd, McGill, Usler, 2015; Byrd, Sheng, Bernstein Ratner, Gkalitsiou, 2015; Byrd, Vallely, Anderson, & Sussman, 2012; McGill, Sussman, Byrd, 2016). Some researchers have argued that the differences observed are driven by deficits in auditory processing as opposed to a core deficit in PWM (Hampton & Weber-Fox, 2008). This exclusive focus on auditory processing does not take into account results from studies that demonstrate PWM deficits in persons who stutter when auditory stimuli are not employed (e.g., McGill et al., 2016; Weber-Fox, Spencer, Spruill & Smith, 2004). No study has investigated PWM in persons who do and do not stutter on tasks that directly compare visual to auditory input performance differences. The purpose of this dissertation was to investigate PWM in adults who do and do not stutter using multimodal nonvocal nonword conditions including visual to visual, visual to auditory, and auditory to visual tasks. Data were coded for accuracy, manual reaction time, and error type. Analyses were conducted to evaluate the relationship between talker group, manual reaction time, accuracy, error types, and speed-accuracy tradeoff within and across conditions. Adults who stutter, compared to adults who do not stutter, demonstrated significantly decreased accuracy and increased manual reaction time on all nonvocal nonword conditions. Additionally, adults who stutter were significantly more likely to select a substitution foil compared to an accurate response than adults who do not stutter. Finally, neither adults who stutter nor adults who do not stutter demonstrated a speed-accuracy tradeoff. Results from the present study do not support the auditory exclusive argument posited in previous research. Regardless of input modality, PWM appears to be uniquely impaired for adults who stutter compared to adults who do not stutter. ; Communication Sciences and Disorders
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Keyword:
Phonological working memory; Stuttering
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URL: https://doi.org/10.15781/T2DR2PD8N
http://hdl.handle.net/2152/45587
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Differentiation of the presence and severity of apraxia of speech in English and Spanish speakers
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Category, letter and emotional verbal fluency in Spanish-English bilingual individuals with and without traumatic brain injury
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Case study of improving the speech intelligibility of children with Down syndrome using pacing boards
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Effects of naturalistic and peer mediated conversation skills training for young adults with ASD
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Generative naming in Korean-English bilingual speakers and assessment tests for Korean-English bilingual speakers with aphasia
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Identification of sentence emotional content in individuals with traumatic brain injury
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Silent phoneme monitoring of nonwords in adults who do and do not stutter
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