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Synthesis: 'Shrinking Of The Hippocampus'

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Obsessive use of GPS may result in the shrinking of the hippocampus, studies find. The hippocampus is an area of the brain responsible for spatial ability. Specifically memory, navigation and spatial orientation. These skills are especially important in finding shortcuts and new routes. Shrinking of the hippocampus is often associated with aging, and is one of the first signs of Alzheimer 's disease. When one obsessively uses GPS when navigating, and not using their hippocampus in everyday tasks, this will result in accelerated shrinking over years. Problems with memory and spatial orientation can take place with too much dependence in GPS usage.
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If the hippocampus is damaged, no new information can enter memory, but older information that have already passed through prior to the damage may be safe (Myers, 2006). This fact is clearly depicted in the movie as Leonard forgets people and his conversations with them or when he is doing something and forgets halfway through why he is doing it. This damage to the hippocampus can arise from strokes, brain aneurysms, epilepsy, blows to the head, and various other

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This is what other researchers have thought of too, and therefore a conclusion was made that additional processes have been taking place as well. Another strength is that there is neuropsychological evidence for this model as a patient, HM (Milner, 1966) underwent surgery which impaired his hippocampus and in turn affected his long-term memory as it no longer functioned properly, whereas his short-term memory was rather functional. Due to this we can conclude that these two processes are involved in the process of memory, as one of the stores was affected when the brain was damaged but the other was not (Baddeley, 2009).

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