Abstract
Three variables that might influence oculomotor and finger movement reaction times to visual stimuli were combined factorially: the response used to produce each stimulus, the response used to report the target stimulus, and the delay between the stimulus-producing response and the stimulus onset. Stimulus onset delay and the type of stimulus-producing response affected reaction time significantly, but the response used to report the stimulus did not. The stimulus onset delay affected both manual and oculomotor reaction times in a manner similar to that of the warning stimulus in conventional reaction time experiments. Thus, the greater facilitation of oculomotor latency that has been observed in previous visual search experiments cannot be attributed to reaction time warning-stimulus effects.
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This research was supported by Grant MH-26303 from the National Institute of Mental Health to the second author.
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Graefe, T.M., Vaughan, J. Saccadic and manual reaction times to stimuli initiated by eye or finger movements. Bull. Psychon. Soc. 11, 97–99 (1978). https://doi.org/10.3758/BF03336776
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DOI: https://doi.org/10.3758/BF03336776