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The Diagnostic and Statistical Manual of Mental Disorders (DSM) has historically used the term in its definition of delirium. [7] The DSM-III-R and the DSM-IV replaced "clouding of consciousness" with "disturbance of consciousness" to make it easier to operationalize, but it is still fundamentally the same thing. [8]
If any of these serious disorders are present, the individual will usually have additional symptoms such as chest pain, a feeling of a racing heart, loss of speech or a change in vision. Many people, especially as they age, experience lightheadedness if they arise too quickly from a lying or seated position.
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 ...
PET, for example, requires a correction factor, the lumped constant, which is stable in healthy brains. There are reports that a global decrease of this constant emerges after a traumatic brain injury. [23] But, not only the correction factors change due to TBI. Another issue is the possibility of anaerobic glycolysis that could occur after TBI.
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]
A sinus infection can cause facial pressure and pain, as well as nasal congestion and headaches, which are also known as heavy-headedness. [citation needed] New users to specific drugs can cause heavy-headedness. Chronic subjective dizziness (CSD) can be related to heavy-headedness. Nausea and vomiting can cause heavy-headedness.
A migraine headache can throw your whole day off track. But if you can learn to pick up on your subtle migraine warning signs, you might able to avoid the pain entirely, experts say. "This is a ...
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 ...