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Problems with balance can occur when there is a disruption in any of the vestibular, visual, or proprioceptive systems. Abnormalities in balance function may indicate a wide range of pathologies from causes like inner ear disorders, low blood pressure, brain tumors, and brain injury including stroke. [citation needed]
Neuroplasticity is the process by which neurons adapt to a disturbance over time, and most often occurs in response to repeated exposure to stimuli. [27] Aerobic exercise increases the production of neurotrophic factors [note 1] (e.g., BDNF, IGF-1, VEGF) which mediate improvements in cognitive functions and various forms of memory by promoting blood vessel formation in the brain, adult ...
The human brain is the central organ of the nervous system, and with the spinal cord, comprises the central nervous system. It consists of the cerebrum, the brainstem and the cerebellum. The brain controls most of the activities of the body, processing, integrating, and coordinating the information it receives from the sensory nervous system ...
Addiction is a disorder of the brain's reward system which arises through transcriptional and epigenetic mechanisms and occurs over time from chronically high levels of exposure to an addictive stimulus (e.g., morphine, cocaine, sexual intercourse, gambling, etc.). [10] [11] [12] [13]
As of February 2024, Fedorenko is a tenured professor and laboratory head [3] in the Brain and Cognitive Sciences department at MIT, a member of MIT's McGovern Institute for Brain Research, and was an assistant professor at Harvard Medical School and a research affiliate at Massachusetts General Hospital.
Cognitive flexibility should not be confused with psychological flexibility, which is the ability to adapt to situational demands, to balance life demands and to commit to behaviors by thinking about problems and tasks in novel, creative ways (for example by changing a stance or commitment when unexpected events occur). [6]
The brain is relatively poorly supplied by oxygen as a result of mild hypoventilation during the sleeping hours leading to hypercapnia and vasodilation. Cerebral edema may worsen during the night due to the lying position. The headache is worse on coughing, sneezing, or bending, and progressively worsens over time.
The primary difficulty is that the inverse problem does not have a unique solution (i.e., there are infinite possible "correct" answers), and the problem of defining the "best" solution is itself the subject of intensive research. [12] Possible solutions can be derived using models involving prior knowledge of brain activity.