Abstract:
:We investigated the effects of focusing attention towards auditory or somatosensory stimuli on perceptual sensitivity and response bias using a signal detection task. Participants (N = 44) performed an unspeeded detection task in which weak (individually calibrated) somatosensory or auditory stimuli were delivered. The focus of attention was manipulated by the presentation of a visual cue at the start of each trial. The visual cue consisted of the word "warmth" or the word "tone". This word cue was predictive of the corresponding target on two-thirds of the trials. As hypothesised, the results showed that cueing attention to a specific sensory modality resulted in a higher perceptual sensitivity for validly cued targets than for invalidly cued targets, as well as in a more liberal response criterion for reporting stimuli in the valid modality than in the invalid modality. The value of this experimental paradigm for investigating excessive attentional focus or hypervigilance in various non-clinical and clinical populations is discussed.
journal_name
Perceptionjournal_title
Perceptionauthors
Van Hulle L,Van Damme S,Crombez Gdoi
10.1068/p7340subject
Has Abstractpub_date
2013-01-01 00:00:00pages
223-32issue
2eissn
0301-0066issn
1468-4233journal_volume
42pub_type
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