Are eyes special? Electrophysiological and behavioural evidence for a dissociation between eye-gaze and arrows attentional mechanisms
Autor: | Juan Lupiáñez, Rafael Román-Caballero, Cristina Narganes-Pineda, Elisa Martín-Arévalo, Andrea Marotta |
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Rok vydání: | 2019 |
Předmět: |
Adult
Male Dissociation (neuropsychology) genetic structures Cognitive Neuroscience Experimental and Cognitive Psychology Fixation Ocular 050105 experimental psychology Young Adult 03 medical and health sciences Behavioral Neuroscience 0302 clinical medicine Social cognition Humans Attention 0501 psychology and cognitive sciences Evoked Potentials Cerebral Cortex 05 social sciences Electroencephalography Event-Related Potentials P300 Gaze Electrophysiology Pattern Recognition Visual Social Perception Space Perception Arrow Eye tracking Female Cues Psychology Neuroscience Psychomotor Performance 030217 neurology & neurosurgery |
Zdroj: | Neuropsychologia. 129:146-152 |
ISSN: | 0028-3932 |
Popis: | It has been proposed that attention triggered by eye-gaze may represent a unique attentional process, different from that triggered by non-social stimuli such as arrows. To investigate this issue, in the present study we compared the temporal dynamics of the conflict processing triggered by eye-gaze and arrow stimuli. We investigated the electrophysiological activity during a task in which participants were required to identify the direction of laterally presented eye-gaze or arrow targets. Opposite behavioural effects were observed: while arrows produced the typical effect, with faster responses when they were congruent with their position, eye-gaze targets produced a reversed effect with faster responses when they were incongruent. Event-related potentials showed common and dissociable congruency modulation: whereas eye-gaze and arrows showed similar effects on earlier ERP components (P1 and N1), they led to opposite effects in later components such as N2 and P3. This represents the first electrophysiological demonstration of both early shared and later dissociable congruency effects for eye-gaze and arrow stimuli. |
Databáze: | OpenAIRE |
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