Gerry Dawson

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First developed in the 1980s by Trevor Robbins in Cambridge to investigate attentional function in rats, the 5-choice serial reaction time task involves continuous scanning by the subject across a spatial array of visual stimuli. On detecting a brief stimulus at one of five locations, the subject must make a nose poke in order to collect a reward. The task(More)
In recent years, there has been increasing use of the gap detection reflex test to demonstrate induction of tinnitus in animals. Animals with tinnitus show weakened gap detection ability for background noise that matches the pitch of the tinnitus. The usual explanation is that the tinnitus 'fills in the gap'. It has recently been shown, however, that(More)
The failure to control for variables known to relate to cerebral asymmetries accounts, in part, for inconsistencies in research reporting sex differences in tactuospatial processing. In the present study, a dichaptic task procedure which attempted to minimize response bias was given to 20 males and 20 females at Grades 1, 6, and undergraduate while(More)
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