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Psychological trauma has great effects on physical aspects of patients' brains, to the point that it can have detrimental effects akin to actual physical brain damage. The hippocampus is involved in the transference of short-term memories to long-term memories and is especially sensitive to stress.
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.
PTSD can affect several parts of the brain such as the amygdala, hippocampus, and the prefrontal cortex. The amygdala controls our memory and emotional processing; the hippocampus helps with organizing, storing and memory forming.
Damage to the hippocampus does not affect some types of memory, such as the ability to learn new skills (playing a musical instrument or solving certain types of puzzles, for example). This fact suggests that such abilities depend on different types of memory (procedural memory) and different brain regions. Furthermore, amnesic patients ...
Researchers from the University of Miami have found that people with sleep apnea may have an enlarged hippocampus, which is the area of the brain responsible for memory and learning.
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 temporal lobe can affect an individual in a litany of ways ranging from: disturbance of auditory sensation and perception, disturbance of selective attention of auditory and visual input, disorders of visual perception, impaired organization and categorization of verbal material, disturbance of language comprehension, and altered ...
It has become clear that aging negatively affects brain function and this can encompass a decrease in locomotor activities and coordination as well as affect in a negative way learning and memory. [26] Certain responses to stress within the hippocampus can have negative effects on learning. [26]