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  2. Effects of stress on memory - Wikipedia

    en.wikipedia.org/wiki/Effects_of_stress_on_memory

    Stress can cause acute and chronic changes in certain brain areas which can cause long-term damage. [4] Over-secretion of stress hormones most frequently impairs long-term delayed recall memory, but can enhance short-term, immediate recall memory. This enhancement is particularly relative in emotional memory.

  3. Effects of sleep deprivation on cognitive performance

    en.wikipedia.org/wiki/Effects_of_sleep...

    Further research has revealed that the protein kinase A (PKA) signaling pathway is crucial to long-term memory. If PKA or protein synthesis inhibition occurs at certain moments during sleep, memory consolidation can be disrupted [citation needed]. In addition, mice with genetic inhibition of PKA have been shown to have long-term memory deficits ...

  4. Long-term depression - Wikipedia

    en.wikipedia.org/wiki/Long-term_depression

    In neurophysiology, long-term depression (LTD) is an activity-dependent reduction in the efficacy of neuronal synapses lasting hours or longer following a long patterned stimulus. LTD occurs in many areas of the CNS with varying mechanisms depending upon brain region and developmental progress.

  5. Cognitive disorder - Wikipedia

    en.wikipedia.org/wiki/Cognitive_disorder

    Causes vary between the different types of disorders but most include damage to the memory portions of the brain. [ 6 ] [ 7 ] [ 8 ] Treatments depend on how the disorder is caused. Medication and therapies are the most common treatments; however, for some types of disorders such as certain types of amnesia , treatments can suppress the symptoms ...

  6. Absent-mindedness - Wikipedia

    en.wikipedia.org/wiki/Absent-mindedness

    Absent-mindedness seemingly consists of lapses of concentration or "zoning out". This can result in lapses of short or long-term memory, depending on when the person in question was in a state of absent-mindedness. [2] Absent-mindedness also relates directly to lapses in attention. Schachter and Dodsen of the Harvard Psychology department say ...

  7. Emotion and memory - Wikipedia

    en.wikipedia.org/wiki/Emotion_and_memory

    In addition to its effects during the encoding phase, emotional arousal appears to increase the likelihood of memory consolidation during the retention stage of memory (the process of creating a permanent record of the encoded information). A number of studies show that over time, memories for neutral stimuli decrease but memories for arousing ...

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