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Postoperative cognitive dysfunction (POCD) is a decline in cognitive function (especially in memory and executive functions) that may last from 1–12 months after surgery, or longer. [1] In some cases, this disorder may persist for several years after major surgery. [2] POCD is distinct from emergence delirium. Its causes are under ...
Subjects were tested at two periods: one year after surgery, and again at three years post-surgery. Results from the first year study found smaller volumes of gray and white matter in patients exposed to chemotherapy. However, in the three-year study, both groups of breast cancer survivors were observed to have similar gray and white matter ...
The hippocampus deals largely with memory consolidation, [35] where information from the working memory and short-term memory is encoded into long-term storage for future retrieval. Amnesic patients with damage to the hippocampus are able to demonstrate some degree of unimpaired semantic memory , despite a loss of episodic memory , due to ...
After two months of maintaining the gerbils in the required environments, they were killed and hippocampal tissue was removed for analysis. It was found that the number of precursor neurons that were differentiated into neurons from group four (irradiated and enriched environment) was significantly more than group three (irradiated and standard ...
Hyperthymesia, also known as hyperthymestic syndrome or highly superior autobiographical memory (HSAM), is a condition that leads people to be able to remember an abnormally large number of their life experiences in vivid detail.
The hippocampus regulates memory function. Memory improvement is the act of enhancing one's memory. Factors motivating research on improving memory include conditions such as amnesia, age-related memory loss, people’s desire to enhance their memory, and the search to determine factors that impact memory and cognition.
Long-term memory has a much larger capacity than the prior two and actually stores information from both these types of memories to create a long lasting and large memory. Long-term memory is the largest target for research involving selective memory erasure. Within long-term memory there are several types of retention. [10] Implicit memory (or ...
Symptoms of postperfusion syndrome are subtle and include defects associated with attention, concentration, short-term memory, fine motor function, and speed of mental and motor responses. [1] Studies have shown a high incidence of neurocognitive deficit soon after surgery, but the deficits are often transient with no permanent neurological ...