Although A.Z.was born without limbs,her performance on a mental rotation task using hands and feet at different amounts of rotation was similar to that of control participants.This finding suggests that the perception of biological motion is _____________.

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The finding that A.Z. performed similarly to control participants on a mental rotation task using hands and feet suggests that the perception of biological motion is hardwired, or innate. This implies that A.Z.'s lack of limbs did not affect her ability to mentally represent and manipulate body movements.