Question 51 (40 marks) Light is important in modulating human behaviors as it provides necessary sensory input for us to

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Question 51 40 Marks Light Is Important In Modulating Human Behaviors As It Provides Necessary Sensory Input For Us To 1 (46.91 KiB) Viewed 43 times

Question 51 (40 marks) Light is important in modulating human behaviors as it provides necessary sensory input for us to see, and it modulates our circadian rhythm of sleep. Some ganglion cells are important for vision, while some ganglion cells are important for our sleep-wake cycle. (Please be reminded to use in-text citation wherever appropriate in Question 51). a) Discuss why fovea has acute and detailed vision (Nassi & Callaway, 2009) in comparison to the periphery of the retina (Rossi & Roorda, 2010). (Answer in no more than 400 words; 10 marks) b) It is more difficult for us to fall asleep after a long exposure to television or computer (Czeisler, 2013). Discuss why we experience such difficulty? Explain the biological mechanisms underlying this phenomenon. (Answer in no more than 1000 words; 30 marks)