This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Which of the following nerve fibers are present in the genu of internal capsule? \nSelect and explain. \nA. Sensory fibres from thalamus to brain, B. Motor fibres from lower limb, C. Motor fibres from upper limb, D. Motor fibres from trunk', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fibres travelling from the ventral posterior nuclei of the thalamus to the somatosensory area (in the postcentral gyrus) constitute the superior thalamic radiation. These fibres occupy the genu and posterior limb of the capsule. These fibres are third order sensory neurons responsible for conveying somesthetic sensations to the cerebral coex. Ref: Textbook of Human Neuroanatomy By Inderbir Singh, 7th edition, Page 230-231.', 'role': 'assistant'}]