Motion processing in WS Kovács Ilona WS seminar, 2007 dec 12.

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Motion processing in WS Kovács Ilona WS seminar, 2007 dec 12.

Motion processing specialization in Williams Syndrome Jason E. Reiss, James E. Hoffman, Barbara Landau U. of Delaware, Johns Hopkins Vision Research, 45 (2005)

Why is motion perception an interesting topic here? Atkinson et al (1997, 2003): dorsal breakdown behind WS (based on poor performance on a single motion task: motion coherence) However: Motion perception is not a unitary function!!! Therefore: It is important to look at subfunctions

Different classes of motion perception – different neural circuitries: motion coherence: V5/MT (dorsal) biological motion: STS (both ventral and dorsal) form from motion: V5/MT – V4/LO - IT

Conclusions: Not a general motion deficit in WS Cannot be attributed to dorsal dysfunction