Auditory and visual distractors disrupt multisensory temporal acuity in the crossmodal temporal order judgment task.

摘要: The ability to synthesize information across multiple senses is known as multisensory integration and essential our understanding of the world around us. Sensory stimuli that occur close in time are likely be integrated, accuracy this dependent on precisely discriminate relative timing unisensory (crossmodal temporal acuity). Previous research has shown modulated by both bottom-up stimulus features, such structure stimuli, top-down processes attention. However, it currently uncertain how attention alters crossmodal acuity. present study investigated whether increasing attentional load would decrease acuity utilizing a dual-task paradigm. In study, participants were asked judge order flash beep presented at various offsets judgment (CTOJ) task) while also directing their secondary distractor task which they detected target within stream visual or auditory distractors. We found decreased performance CTOJ well increases positive negative just noticeable difference with for tasks. This strongly suggests promotes greater reducing capacity process results detriments processing. Our first demonstrate changes processing using dual paradigm strong implications developmental disorders autism spectrum dyslexia associated alterations