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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 ]
Disorders of consciousness present a variety of ethical concerns. Most obvious is the lack of consent in any treatment decisions. Patients in PVS or MCS are not able to decide for the possibility of withdrawal of life-support. It is also a general question whether they should receive life-sustaining therapy and, if so, for what duration.
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. The following is a list of mental disorders as defined at any point by the Diagnostic and Statistical Manual of Mental Disorders (DSM) or the International Classification of Diseases (ICD). A mental disorder, also known as a mental illness, mental health condition, or psychiatric ...
The headache is daily and unremitting from very soon after onset (within 3 days at most), usually in a person who does not have a history of a primary headache disorder. The pain can be intermittent, but lasts more than 3 months. Headache onset is abrupt and people often remember the date, circumstance and, occasionally, the time of headache onset.
A mental disorder, also referred to as a mental illness, [6] a mental health condition, [7] or a psychiatric disability, [2] is a behavioral or mental pattern that causes significant distress or impairment of personal functioning. [8]
In the scientific and academic literature on the definition or categorization of mental disorders, one extreme argues that it is entirely a matter of value judgments (including of what is normal) while another proposes that it is or could be entirely objective and scientific (including by reference to statistical norms); [2] other views argue that the concept refers to a "fuzzy prototype" that ...
According to this classification, migraine is a primary headache disorder along with tension-type headaches and cluster headaches, among others. [118] Migraine is divided into six subclasses (some of which include further subdivisions): [119] Migraine without aura, or "common migraine", involves migraine headaches that are not accompanied by aura.
Cluster headache is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye(s). [1] There is often accompanying eye watering, nasal congestion, or swelling around the eye on the affected side. [1] These symptoms typically last 15 minutes to 3 hours. [2]