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  2. Directed attention fatigue - Wikipedia

    en.wikipedia.org/wiki/Directed_attention_fatigue

    Directed attention fatigue (DAF) is a neuro-psychological phenomenon that results from overuse of the brain's inhibitory attention mechanisms, which handle incoming distractions while maintaining focus on a specific task. The greatest threat to a given focus of attention is competition from other stimuli that can cause a shift in focus.

  3. This Nighttime Habit Could Be A Key Indicator Of Dementia ...

    www.aol.com/nighttime-habit-could-key-indicator...

    This could also cause a “marked lack of enthusiasm for daily tasks,” Porter says, adding that these symptoms “go beyond” normal fatigue. What is the connection between sleep and preventing ...

  4. Central nervous system fatigue - Wikipedia

    en.wikipedia.org/wiki/Central_Nervous_System_Fatigue

    In the brain, serotonin is a neurotransmitter and regulates arousal, behavior, sleep, and mood, among other things. [9] During prolonged exercise where central nervous system fatigue is present, serotonin levels in the brain are higher than normal physiological conditions; these higher levels can increase perceptions of effort and peripheral muscle fatigue. [9]

  5. Fatigue - Wikipedia

    en.wikipedia.org/wiki/Fatigue

    Fatigue in a medical context is used to cover experiences of low energy that are not caused by normal life. [2] [3]A 2021 review proposed a definition for fatigue as a starting point for discussion: "A multi-dimensional phenomenon in which the biophysiological, cognitive, motivational and emotional state of the body is affected resulting in significant impairment of the individual's ability to ...

  6. How to Know If You're Dealing With Brain Fog - AOL

    www.aol.com/lifestyle/know-youre-dealing-brain...

    Here's what brain fog is, as well as symptoms associated with it and how to find some relief. Skip to main content. Lifestyle. 24/7 Help. For premium support please call: 800 ...

  7. Lethargy - Wikipedia

    en.wikipedia.org/wiki/Lethargy

    Lethargy is a state of tiredness, sleepiness, weariness, fatigue, sluggishness, or lack of energy. It can be accompanied by depression , decreased motivation, or apathy . Lethargy can be a normal response to inadequate sleep, overexertion, overworking, stress, lack of exercise, improper nutrition, drug abuse, boredom , or a symptom of an ...

  8. Bradyphrenia - Wikipedia

    en.wikipedia.org/wiki/Bradyphrenia

    Bradyphrenia is the slowness of thought common to many disorders of the brain. [1] Disorders characterized by bradyphrenia include Parkinson's disease and forms of schizophrenia consequently causing a delayed response and fatigue. [2]

  9. Accumulation of ‘toxins’ in brain is why thinking hard is ...

    www.aol.com/accumulation-toxins-brain-why...

    Scientists discovered that when intense mental work is carried out over several hours, it causes potentially toxic by-products to build up. Accumulation of ‘toxins’ in brain is why thinking ...

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