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Multiple sclerosis, which causes damage to nerve cells. Cancer. Infections. Stress. This damage could interfere with your cognitive and executive function or your ability to carry out day-to-day ...
Clouding of consciousness, also called brain fog or mental fog, [1] [2] occurs when a person is slightly less wakeful or aware than normal. [3] They are less aware of time and their surroundings, and find it difficult to pay attention. [3]
Bipolar disorder can cause manic episodes ranging fro different sudden mood changes. AUD can also be used to stall the same symptoms expressed in depression as well as with bipolar disorder. In some cases AUD can cause other brain disorders to worsen itself, or the symptoms of the disorder.
Stress ulceration is a single or multiple fundic mucosal ulcers that causes upper gastrointestinal bleeding, and develops during the severe physiologic stress of serious illness. It can also cause mucosal erosions and superficial hemorrhages in patients who are critically ill, or in those who are under extreme physiologic stress, causing blood ...
For instance, extreme stress (e.g. trauma) is a requisite factor to produce stress-related disorders such as post-traumatic stress disorder. [6] Chronic stress also shifts learning, forming a preference for habit based learning, and decreased task flexibility and spatial working memory, probably through alterations of the dopaminergic systems. [39]
Minor mental distress cases are caused by stress in daily problems, such as forgetting your car keys or being late for an event. However, the major types of mental distress described can be caused by other important factors. One such cause is chemical imbalances in the brain, which can lead to irrational decisions and emotional pain. [8]
Stress can cause acute and chronic changes in certain brain areas which can cause long-term damage. [4] Over-secretion of stress hormones most frequently impairs long-term delayed recall memory, but can enhance short-term, immediate recall memory. This enhancement is particularly relative in emotional memory.
There is evidence that humans having experienced severe, long-lasting traumatic stress show atrophy of the hippocampus more than of other parts of the brain. [123] These effects show up in post-traumatic stress disorder , [ 124 ] and they may contribute to the hippocampal atrophy reported in schizophrenia [ 125 ] and severe depression . [ 126 ]