Visual search in peripheral vision: Learning effects and set-size dependence

Visual search in peripheral vision: Learning effects and set-size dependence Spatial Vision , Vol. 14, No. 2, pp. 151– 173 (2001) Ó VSP 2001. Visual search in peripheral vision: Learning effects and set-size dependence MARINA PAVLOVSKAYA 1 ; 2 , HAIM RING 1 ; 2 , ZEEV GROSWASSER 1 ; 2 , OFER KEREN 1 and SHAUL HOCHSTEIN 3 ; ¤ 1 Loewenstein Rehabilitation Center, Raanana, Israel 2 Sackler School of Medicine, Tel Aviv University, Israel 3 Neurobiology Department, Life Science Building, Hebrew University, Givat Ram, 91904 Jerusalem, Israel Received 22 April 1999; revised 20 December 1999; accepted 1 September 2000 Abstract —Feature search for a light bar with one orientation (or color) embedded in an array of bars with a very different orientation (or color) is quick, easy and independent of the number of array elements. In contrast, search for a conjunction target has a linear response time dependence on the number of distractors. Training can improve performance of both these tasks. We report that these properties may not be valid for eccentric stimulus presentation. In general, the two hemiŽ elds are not equally suited to search, and training is most effective in the weaker hemiŽ eld. In addition, the feature-search independence of set-size may not always http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Spatial Vision (continued as Seeing & Perceiving from 2010) Brill

Visual search in peripheral vision: Learning effects and set-size dependence

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Publisher
Brill
Copyright
© 2001 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0169-1015
eISSN
1568-5683
DOI
10.1163/156856801300202913
Publisher site
See Article on Publisher Site

Abstract

Spatial Vision , Vol. 14, No. 2, pp. 151– 173 (2001) Ó VSP 2001. Visual search in peripheral vision: Learning effects and set-size dependence MARINA PAVLOVSKAYA 1 ; 2 , HAIM RING 1 ; 2 , ZEEV GROSWASSER 1 ; 2 , OFER KEREN 1 and SHAUL HOCHSTEIN 3 ; ¤ 1 Loewenstein Rehabilitation Center, Raanana, Israel 2 Sackler School of Medicine, Tel Aviv University, Israel 3 Neurobiology Department, Life Science Building, Hebrew University, Givat Ram, 91904 Jerusalem, Israel Received 22 April 1999; revised 20 December 1999; accepted 1 September 2000 Abstract —Feature search for a light bar with one orientation (or color) embedded in an array of bars with a very different orientation (or color) is quick, easy and independent of the number of array elements. In contrast, search for a conjunction target has a linear response time dependence on the number of distractors. Training can improve performance of both these tasks. We report that these properties may not be valid for eccentric stimulus presentation. In general, the two hemiŽ elds are not equally suited to search, and training is most effective in the weaker hemiŽ eld. In addition, the feature-search independence of set-size may not always

Journal

Spatial Vision (continued as Seeing & Perceiving from 2010)Brill

Published: Jan 1, 2001

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