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: Ophthalmology
[{'content': 'The parvocellular pathway, from the lateral geniculate nucleus to the visual coex, carries signals for the detection of: \nSelect and explain. \nA. Movement, depth and flicker, B. Color vision, shape and fine details, C. Temporal frequency, D. Luminance contrast', 'role': 'user'}, {'content': "Answer: B \nExplanation: B i.e. Colour vision, shape, fine details 'The parvocellular pathway from layers 3-6 carries signals for colour vision, textures, shape and fine detail'.", 'role': 'assistant'}]