Q:

In the cerebral cortex

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In the cerebral cortex.


  1. Neuronal connections are innate and immutable.
  2. Language and non-language skills are represented in different hemispheres.
  3. The areas concerned with emotional behaviour are concentrated in the frontal lobes.
  4. The cortical area devoted to sensation in the hand is larger than that for the trunk.
  5. . Stimulation of the motor cortex causes contractions of individual muscles on the opposite side of the body.

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A. False The connections of brain neurones can be changed fairly rapidly to reflect new patterns of activity and sensory experience; this is referred to as neuronal plasticity.

B. True The left hemisphere is dominant for speech in most people and the right is dominant for skills requiring appreciation of time and space relationships.

C. False They are found mainly in the limbic cortex.

D. True The cortical area given to a particular skin area is related to the richness of its sensory innervation, not its anatomic size.

E. False Stimulation causes integrated movements not individual muscle contractions.

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