The Modification of an Already-Programmed Response: A New Interpretation of Henry and Harrison (1961)
- 1 September 1991
- journal article
- research article
- Published by Taylor & Francis in Journal of Motor Behavior
- Vol. 23 (3) , 221-223
- https://doi.org/10.1080/00222895.1991.10118365
Abstract
In an influential study, Henry and Harrison (1961) examined the capability of subjects to inhibit an already-programmed response. Their experiment showed that when a stop signal was presented only 100 ms after the imperative go signal, a subject could not inhibit the movement. The inferences were that rapid ballistic actions are programmed and the program cannot be altered in a limited amount of time (see Schmidt, 1988). In the present note, we describe some forgotten data from the Henry and Harrison paper and, with a trend analysis, demonstrate that the stop signal does have an influence on the movement in a somewhat continuous fashion.Keywords
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