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In all three tasks, participants determined whether the auditory and visual stimuli were presented simultaneously or temporally misaligned. Once again, the auditory stimulus was either presented simultaneously to the vocalization or offset using a variable SOA. In the third temporal task, the visual stimulus was a video of a face verbalizing a syllable (e.g., “ba”) and the auditory stimulus was the vocalization of the same syllable. The sound of the strike was either presented simultaneously to the hammer hitting the table or offset using a variable SOA. In the tool task, participants were presented with a video of a hammer striking a table.
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In the flash-beep task, a simple visual annulus was flashed along with an auditory beep at different stimulus-onset asynchronies (SOAs) between them. Each experiment possessed different levels of stimulus complexity and social context. (2014) explored the changing TBW in children with ASD and typically developing (TD) children (6–18 yr old). (2014) illustrates the need to present different forms of stimuli in order to characterize the perceptual abilities of people with autism spectrum disorder (ASD). However, a recent paper by Stevenson et al. Previous studies investigating the TBW have used one type of stimuli only. Additionally, studies have demonstrated that the TBW is also affected by neurodevelopmental disorders (e.g., autism Foss-Feig et al.
#Central coherence windows
The type of stimuli presented can affect these temporal binding windows (TBW). For this reason there is a “window” of time within which stimulus information received from the different sensory systems can be integrated to form a single percept. The difference in propagation time between an auditory and a visual stimulus can be substantial, depending on the distance between the perceiver and stimulus location.