Which of the following has small representation in somatosensory area of cerebral cortex: (A) Lips, (B) Thumb/fingers, (C) Tongue, (D) Trunk
Answer is D. Ans. (d) Trunk(Ref: Ganong, 25th ed/p.169)Lips and thumb has got the maximum representation in somatosensory areaRepresentations for trunk and back are small