David A.T. Siddle
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View article: Effect of probe stimulus intensity on the dissociation between autonomic orienting and secondary probe reaction time
Effect of probe stimulus intensity on the dissociation between autonomic orienting and secondary probe reaction time Open
Information processing accounts propose that autonomic orienting reflects the amount of resources allocated to process a stimulus. However, secondary task reaction time (RT), a supposed measure of processing resources, has shown a dissocia…
View article: Dissociation between skin conductance orienting and secondary task reaction time: Time course with a visual discrimination task
Dissociation between skin conductance orienting and secondary task reaction time: Time course with a visual discrimination task Open
A dissociation between two putative measures of resource allocation, skin conductance responding, and secondary task reaction time (RT), has been observed during auditory discrimination tasks. Four experiments investigated the time course …
View article: The effect of unconditional stimulus modality and intensity on blink startle and electrodermal responses
The effect of unconditional stimulus modality and intensity on blink startle and electrodermal responses Open
Attentional accounts of blink facilitation during Pavlovian conditioning predict enhanced reflexes if reflex and unconditional stimuli (US) are from the same modality. Emotional accounts emphasize the importance of US intensity. In Experim…