Making Requests: Illustrations of How Right-Hemisphere Brain Damage Can Affect Discourse Production  

Oleh:

Brownell, Hiram ; Stringfellow, Andrew

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 68 no. 3 (1999), page 442-465.
Fulltext: 68_03_Brownell.pdf (92.77KB)

Isi artikel

This article examines several factors that influence the production of requests for behavior. Using a role-play methodology, we elicited request productions from wellrecovered patients with right-hemisphere brain damage (RHD) and from non braindamaged control participants. The stimulus items represented variation both on interpersonal factors based on characteristics of the people in the interaction and on situational factors based on what was being requested. A large corpus of responses was elicited from each patient. Responses were coded for request directness, amount of explanatory material over and above the request proper (a relatively demanding method for manipulating the tone of a request), and use of ‘‘please’’ (a relatively simple device for signaling a request). Case-by-case analysis of the patients’ performances revealed some common areas of abnormality and also some idiosyncratic features. Some patients produced less explanatory supportive material than control participants, and they tended not to vary the amount of explanatory material as a function of the request scenario. Of interest is that some of the same patients overused ‘‘please,’’ and varied their use of this simple device as a function of request scenarios. The discourse strategies observed were likely due to deficits both in pragmatic awareness and in planning utterances. One implication of these results concerns an apt description of the abnormal discourse of RHD patients. The relative lack of supportive explanatory material in their requests may result in patients’ seeming rude or inappropriate.

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