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Attention deficit/hyperactivity disorder (ADHD) is a developmental disorder of cognition. Behavioral symptoms of ADHD are inattention, hyperactivity, and impulsivity. We investigated the effects of treadmill exercise and methylphenidate (MPH) on activity and spatial learning memory in relation to dopamine synthesis and brain-derived neurotrophic factor (BDNF) expression using spontaneously hypertensive...
Aging leads to functional changes in the hippocampus, and consequently induces cognitive deficits, such as failure of memory. Neurogenesis in the hippocampal dentate gyrus continues throughout life, but steadily declines from early adulthood. Apoptosis occurs under various pathologic and physiologic conditions, and excessive apoptotic cell death can cause a number of functional disorders in humans...
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