Affective Intonation Processing in Turkish Spoken Language: Patients with Schizophrenia, Healthy Relatives and Controls
Journal Title: Ankara Üniversitesi Sosyal Bilimler Dergisi - Year 2014, Vol 5, Issue 2
Abstract
The interface between pragmatic language process and prosodic language process in oral expression texts of patients with schizophrenia are discussed for many years in the literature (Andreasen, 1979; Leff and Abberton, 1981; Mitchell and Crow, 2005; Bach et. al, 2009). Accordingly, it is considered that the data obtained from patients with schizophrenia are more problematic than the ones for healthy individuals in the processes for perception and comprehension of affective prosody. This situation is associated with functioning of the structures concerning prosodic system in spoken language processing, due to the dysfunction of information processing in the right prefrontal lobe of patients with schizophrenia. It is compared in this study that the affective intonation patterns of patients with schizophrenia, their healthy relatives and healthy individuals in sentence types which are composed of different affective moods. The ‘Affective Prosody Scale Task’ is applied to 45 indivuduals consisting of 15 patients with schizophrenia, 15 healthy relatives and 15 healthy indivudials and the sentence types containing seven different affective moods are evaluated by using phonetic parameters under phonologic observation technique. These parameters which are used for the analysis of affective intonation in spoken language are discussed with fundamental frequency (F0), phonation of duration, pitch accent and intensity. The phonetic findings of study group are evaluated both inter-group and in-group. Affective intonation patterns of study group are phonologically examined under the ‘Falling-Rising Tone Model’ of Pierrehumbert (1980) and the similarities and dissimilarities between inter-group are put forward. Accordingly to success level of inter-group, patients with schizophrenia were in the lowest level, their healthy relatives were in the medium level and healthy individuals were in the maximum level. The findings showed that the prosodic dysfunction of patients with schizophrenia is also seen for their healthy relatives. This prosodic dysfunction of healthy relatives may be associated with genetic predisposition is considered. Findings of the study are implied that the prosodic dysfunction of patient with schizophrenia may not be referred to side effects of the medicine for schizophrenia which named as ‘bradykinesia’.
Authors and Affiliations
Pınar Bekar
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