Recognition Performance on Mandarin Dichotic Digit Tests by Young Mandarin-Speaking Adults

台灣年輕成人在中文雙耳異訊數字測驗上之辨識表現

10.6143/JSLHAT.2010.06.03

劉樹玉(Shu-Yu Liu)；廖家秀(Jia-Shiou Liao)；鄭維德(Wei-De Cheng)

中樞聽覺處理異常 ； 雙耳異訊數字測驗 ； 右耳優勢 ； Mandarin ； Dichotic digit test DDT ； Central auditory processing ； Right ear advantage

台灣聽力語言學會雜誌

25期（2010 / 06 / 01）

53 - 64

英文

雙耳異訊數字測驗經常用來評估中樞聽覺功能，本研究利用自行編制的中文雙耳異訊數字測驗，目的在欲瞭解台灣年輕成人在中文雙耳異訊數字測驗上聆聽表現，並探討非病理因素（性別、左右兩耳和數字長度）對其辨識得分的影響。受試者為83名聽力正常的大學生，男40名，女43名，數字長度有一對、兩對、和三對數字，以自由回憶(free recall)的方式作答。結果顯示，上述三個測驗情況下，受試者在中文雙耳異訊數字測驗上的表現並未因性別和左右耳的不同而呈現顯著差異。且在同一測驗狀況下，也未出現右耳優勢的情形，但若數字的長度愈長，則有聆聽表現則愈差的趨勢。

Dichotic digit tests (DDTs) are commonly used for assessing central auditory processing; however, there are few Mandarin studies available for reference. This study was designed to reveal the non-pathological effects of ear, gender and digit length for recognition performance by using self-developed DDTs in Mandarin. In this study, forty male and forty-three female college students whose primary language was Mandarin were given Mandarin one-, two- and three-pair DDTs in free recall paradigm. The results suggest that there is no difference between the sexes in recognition performance on one-, two- and three-pair DDTs. No difference in recognition performance between the left and the right ear was found in any DDT, which suggests there is no left- or right-ear advantage. Furthermore, the differences between the left and the right ear in one-, two- and threepair DDTs do not differ significantly from each other. However, the longer the digit string, the poorer the recognition performance is.

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