Performance of mutant mice in motor tests.

<p>A, Foot print of control (left) and mutant (right) mice. Scale bar, 2 cm. B, Tail suspension test of control (left) and mutant (right) mice. C, Performance of control (open circles, <i>n</i> = 9) and mutant (filled circles, <i>n</i> = 8) mice in the stationary thin rod test. D, Performance of control (open circles) and mutant (filled circles) mice in the accelerating rotarod (<i>n</i> = 8 each). E, Locomotor activity of control (open circles, <i>n</i> = 10) and mutant (filled circles, <i>n</i> = 7) mice in the openfield test.