Auditory scene analysis requires the processing of a sound object's location in space. The role of spatial properties of sound in combining complex pitch patterns of a source is crucial in pattern organisation (Bregman, 2002). Auditory scene analysis deficits have been found to occur in the form of impaired detection of sound movement properties (Bisiach, Cornacchia, Sterzi, & Vallar, 1984; Griffiths et al., 1997; Pinek & Brouchon, 1992). Such deficits have been demonstrated in studies of right hemisphere lesions, suggesting the involvement of areas outside the primary auditory cortex, such as the insula (Griffiths, Bench, & Frackowiak, 1994) and parietal cortex (Anderson, 1995).
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