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  2. Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Alzheimer's_disease

    The first symptoms are often mistakenly attributed to aging or stress. [34] Detailed neuropsychological testing can reveal mild cognitive difficulties up to eight years before a person fulfills the clinical criteria for diagnosis of Alzheimer's disease. [35] These early symptoms can affect the most complex activities of daily living. [36]

  3. Nociceptor - Wikipedia

    en.wikipedia.org/wiki/Nociceptor

    ' pain receptor ') is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals [1] [2] [3] to the spinal cord and the brain. The brain creates the sensation of pain to direct attention to the body part, so the threat can be mitigated; this process is called nociception.

  4. Pseudodementia - Wikipedia

    en.wikipedia.org/wiki/Pseudodementia

    Any age group can develop pseudodementia. In depression, processing centers in the brain responsible for cognitive function and memory are affected, including the prefrontal cortex, amygdala, and hippocampus. Reduced function of the hippocampus results in impaired recognition and recall of memories, a symptom commonly associated with dementia. [20]

  5. List of neurological conditions and disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_neurological...

    This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...

  6. Dementia - Wikipedia

    en.wikipedia.org/wiki/Dementia

    This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Long-term brain disorders causing impaired memory, thinking and behavior This article is about the cognitive disorder. For other uses, see Dementia (disambiguation). "Senile" and "Demented" redirect here. For other uses, see Senile (disambiguation) and Demented (disambiguation). Medical ...

  7. Piracetam - Wikipedia

    en.wikipedia.org/wiki/Piracetam

    The drug influences neuronal and vascular functions and influences cognitive function without acting as a sedative or stimulant. [4] Piracetam is a positive allosteric modulator of the AMPA receptor , although this action is very weak and its clinical effects may not necessarily be mediated by this action. [ 22 ]

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