What do stimulus onset asynchrony studies of biological motion tell us about motion perception?
What will be an ideal response?
Answer: Using short SOAs and still pictures of human movement that would violate the solidity constraint, participants perceive the shortest path of motion. This is similar to how people perceive the apparent motion of objects. However, under longer SOA conditions, participants perceive motion consistent with biological motion. These findings suggest a difference in object motion and human motion perception.
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