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政大機構典藏 > 理學院 > 心理學系 > 學位論文 > Item 140.119/36411

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/36411

Title:	精神分裂症患者的注意力歷程缺失探討 ATTENTION DEFICIT OF SCHIZOPHRENIAS
Authors:	杜玉禎 Tu, Yu-Chen
Contributors:	許文耀 Hsu, Wen-Yau 杜玉禎 Tu, Yu-Chen
Keywords:	精神分裂症注意力叫色作業 SCHIZOPHRENIA ATTENTION STROOP
Date:	1996
Issue Date:	2009-09-18 18:30:36 (UTC+8)
Abstract:	對於精神分裂症患者注意力歷程缺失現象的探討，過去大多集中在對注意力歷程本身機制的探究；但在結果上一直找不到令人滿意的解釋．然而在心理學的研究中發現，個體在進入注意力歷程對刺激做進一步處理之前，有一個前注意力歷程會先對視野中所現刺激做整體性的處理；之後才能使個體經由選擇將注意力集中在所欲處理的訊息上，此即注意力歷程二階段論．本研究即以注意力歷程二階段論為起點，利用兩個以擬似叫色作業進行的實驗去區辨精神分裂症患者在注意力表現的異常，究竟導因於那一階段的運作失常．本研究的兩個實驗均是以伴隨分心項同時呈現的 Stroop 色字為實驗刺激，藉由操弄目標項（即Stroop色字）刺激類型及分心項與目標項間關係，觀察精神分裂症患者與正常在前注意力歷程運作上有何差異，並期能據此瞭解精神分裂症患者注意力歷程缺失的可能原因．綜合兩實驗所得結果，精神分裂症患者在前注意力歷程的運作上與正常人並無差別；但在進入注意力歷程對刺激做進一步處理時，抑制機制的運作失常（運作不足或運作過度）為其注意力失常的可能原因之一，但仍無法對本研究的結果作一完整的說明．此外，由研究結果中，也可推測精神分裂症患者在對目標項進行細部分析時，其持續性的注意力也有異於正常人；這部份仍有待進一步的研究． There is a wealth of literature associating schizophrenia withdisorders of attention. This study bases on the two-stage approach of visual selective attention. The pre- attentiveparallel processcomputes how different each object is from each of the other objectswithin a particular stimulus dimension. Attention automatically drawto the location having the highest activation, implying that the subjects select location automatically and are irrespective of their intention. Two Stroop tasks used to differentiate schizophrenics and nornalic`sattentional processes, and try to figure out which stageis the caution of schizophrenic`s dysfunctional attention. As the result, schizophrenic is not different with normalics on pre-attentiveprocess, but do have something problem onattentional process when theywhen they have to inhibit some information. It`sstill not a conclution,because the deficit of inhibition can not explain the results perfectly.
Description:	碩士國立政治大學心理學研究所 82156005 85
Source URI:	http://thesis.lib.nccu.edu.tw/record/#B2002001726
Data Type:	thesis
Appears in Collections:	[心理學系] 學位論文

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