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Directed attention fatigue (DAF) is a neuropsychological phenomenon that results from overuse of the brain’s inhibitory attention mechanisms, which handle incoming distractions while maintaining focus on a specific task.
Central nervous system fatigue, or central fatigue, is a form of fatigue that is associated with changes in the synaptic concentration of neurotransmitters within the central nervous system (CNS; including the brain and spinal cord) which affects exercise performance and muscle function and cannot be explained by peripheral factors that affect muscle function.
Fatigue is a state of tiredness (which is not sleepiness), exhaustion [1] or loss of energy. [2] [3]Fatigue (in the medical sense) is sometimes associated with medical conditions including autoimmune disease, organ failure, chronic pain conditions, mood disorders, heart disease, infectious diseases, and post-infectious-disease states. [4]
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Insomnia is a common condition affecting up to a fifth of the population in many countries across the world and is often complicated by several psychiatric conditions. Paradoxical insomnia is the phenomenon of a discrepancy between reported sleep duration and objective measurement of sleep. In some cases, however, the stress and anxiety ...
“Mental health researchers or clinicians should take into account that people’s mental health and wellbeing could be affected by when they are assessed,” Bu says. “Mental health support ...
Many people complain of low mental energy, which can interfere with work and daily activities. [1] Low mental energy and fatigue are major public health concerns. [1] People may pursue remedies or treatment for low mental energy. [1] Seeking to improve mental energy is a common reason that people take dietary supplements. [6]
Bu says the knowledge that people’s mental health and well-being can fluctuate throughout the day may have important implications for future research, as well as for mental health support and ...