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Damage to any part of this system, including the hippocampus and surrounding cortices, results in amnesic syndromes. [1] This is why after a stroke people have a chance of developing cognitive deficits that result in anterograde amnesia, since strokes can involve the temporal lobe in the temporal cortex, and the temporal cortex houses the ...
Damage to the hippocampus can also result from oxygen starvation , encephalitis, or medial temporal lobe epilepsy. People with extensive, bilateral hippocampal damage may experience anterograde amnesia: the inability to form and retain new memories.
Particularly, damage to hippocampal CA1 cells adversely affects memory formation, [3] and this disruption has been linked to dose-dependent levels of alcohol consumption. [4] At higher doses, alcohol significantly inhibits neuronal activity in both the CA1 and CA3 pyramidal cell layers of the hippocampus.
Alcohol-related brain damage [1] [2] alters both the structure and function of the brain as a result of the direct neurotoxic effects of alcohol intoxication or acute alcohol withdrawal. Increased alcohol intake is associated with damage to brain regions including the frontal lobe , [ 3 ] limbic system , and cerebellum , [ 4 ] with widespread ...
Damage to the right parietal lobe can result in neglecting part of the body or space (contralateral neglect), which can impair many self-care skills such as dressing and washing. Right side damage can also cause difficulty in making things (constructional apraxia), denial of deficits (anosognosia) and drawing ability. [21]
MRI results have shown significantly reduced gray matter density clusters in the anterior cingulate cortex, ventromedial prefrontal cortex, and left hippocampus. This area of the brain is typically involved in fear processing, emotion regulation, memory encoding, and retrieval; as such, damage to this area of the brain can lead to functional ...
The hippocampus is the brain region located in the medial temporal lobe, responsible for forming new episodic and semantic memories. As a result of his neurological damage, Cochrane suffered severe cognitive deficits that hindered his ability to form new episodic memories. However, both his semantic memory and noetic consciousness remained ...
In a study done by Mark A. Smith, it is demonstrated that exposure to continuous stress can cause age-related issues to the hippocampus. [27] What then becomes more noticeable is that the aging brain is not as able to recognize growth, this is a symptom of hippocampal damage. If the information is not being encoded properly in the brain then of ...