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through the auditory segment of VA stimuli because the detection of auditory stimuli
was too easy. So, the synchronously presented V stimuli did not improve the HRs to
response the multimodal stimuli.
5 Conclusion
We investigated the influence of stimulus spatial locations on audiovisual interaction
using a behavioural measure. As a result, the audiovisual interaction reduced ambigu-
ity of stimuli and enhanced the behavioral response. Moreover, the behavioral en-
hancement of audiovisual stimuli depended on the spatial locations of audiovisual
stimuli.
Acknowledgment
A part of this study was financially supported by JSPS AA Science Platform Program
and JSPS Grant-in-Aid for Scientific Research (B) (21404002).
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