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Improving change detection with nearby hands.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Improving change detection with nearby hands./
作者:	Tseng, Philip.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2010,
面頁冊數:	61 p.
附註:	Source: Dissertations Abstracts International, Volume: 72-11, Section: B.
Contained By:	Dissertations Abstracts International72-11B.
標題:	Neurosciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3446397
ISBN:	9781124495156

Improving change detection with nearby hands.
Tseng, Philip.

Improving change detection with nearby hands. - Ann Arbor : ProQuest Dissertations & Theses, 2010 - 61 p.

Source: Dissertations Abstracts International, Volume: 72-11, Section: B.

Thesis (Ph.D.)--University of California, Santa Cruz, 2010.

This item must not be sold to any third party vendors.

Recent studies have suggested an altered visual processing for objects that are near the hand. This study presents five experiments that test whether an observer's hands near the display facilitate change detection. While performing the task, observers placed both hands either near or away from the display. When their hands were near the display, change detection performance was more accurate and they held more items in visual short-term memory (Exp 1). Performance was equally improved for all regions across the entire display when task was easy. When task was difficult, however, the right side of the display enjoyed a larger improvement, suggesting a right bias from the nearby hands (Exp 2). Interestingly, when only one hand was placed near the display, there was no facilitation from the left hand and a weak facilitation from the right hand (Exp 3), even when the right hand was placed on the left side (Exp 4). Finally, visual superimposition of the hands around the display without physical contact did not improve change detection performance (Exp 5). Together, these data suggest that the right hand is the main source of facilitation, and both hands together produce a nonlinear boost in performance that cannot be explained by either hand alone. The presence of the right hand also biased people to attend to the right hemifield first, resulting in a right-bias in change detection performance (Exp 2 & 3).

ISBN: 9781124495156Subjects--Topical Terms:

588700
Neurosciences.
Subjects--Index Terms:

Change blindness

Improving change detection with nearby hands.
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