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Tactile change detection during bodily threat 1 Running head: TACTILE CHANGE DETECTION DURING BODILY THREAT DETECTION OF TACTILE CHANGE ON A BODILY LOCATION WHERE PAIN IS EXPECTED1
| Content Provider | CiteSeerX |
|---|---|
| Author | Crombez, Geert Damme, Stefaan Van |
| Abstract | Tactile change detection during bodily threat 2 Summary. – As it is evolutionarily adaptive to accurately detect and localize bodily threats, it has been proposed that our brain prioritizes somatosensory input at body locations where pain is expected. To test this proposition, we investigated whether threat of pain facilitated the detection of tactile changes on the threatened body location. Healthy participants (N=47) indicated whether two consecutive patterns of three tactile stimuli were the same or not. Stimuli could be administered at eight possible locations. In half of the trials, the same pattern was presented twice. In the other half, one stimulus location was different between the two displays. To induce bodily threat, a painful stimulus was occasionally administered to the non-dominant lower arm. Mean accuracy of tactile change detection as a function of location was analyzed using repeated measures ANOVA. We found that tactile changes at the threatened arm (i.e., when a tactile stimulus emerged at or disappeared from that arm), both at the exact pain location (lower arm) and at the other location (upper arm), were better detected than tactile changes at other limbs., Tactile change detection during bodily threat 3 |
| File Format | |
| Access Restriction | Open |
| Content Type | Text |
