Increase in saccadic peak velocity with increased frequency of saccades in man.

Lueck, C.J. and Crawford, T. J. and Hansen, H. C. and Kennard, C. (1991) Increase in saccadic peak velocity with increased frequency of saccades in man. Vision Research, 31 (7-8). pp. 1439-1443. ISSN 0042-6989

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Abstract

Twelve normal subjects (aged 22-80 yr, mean 47 yr) performed three blocks of 20 saccades made to LED targets stepped back and forth. The first and last blocks were performed at a (slow) rate of 0.18 Hz, while the middle block was performed at the faster rate of 1.15 Hz. Mean saccadic amplitude was unaffected by saccade rate, but latency and duration became shorter at the higher frequency. Most interestingly, the peak velocity increased by approx. 6% when saccades were performed at the higher rate. This increase was statistically significant, even after normalization for saccade amplitude. That saccadic frequency may affect saccadic peak velocity must be considered as a potential variable when analysing saccades.

Item Type:
Journal Article
Journal or Publication Title:
Vision Research
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/bf
Subjects:
?? SACCADES MAIN SEQUENCE SACCADE METRICSOPHTHALMOLOGYSENSORY SYSTEMSBF PSYCHOLOGY ??
ID Code:
11169
Deposited By:
Deposited On:
01 Aug 2008 15:52
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Sep 2023 00:09