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Functional disorders are mostly understood as conditions characterised by: persistent and troublesome symptoms; associated with impairment or disability; where the pathophysiological basis is related to problems with the functioning and communication of the body systems (as opposed to disease affecting the structure of organs or tissues)
As a functional disorder, there is, by definition, no known disease process affecting the structure of the body, yet the person experiences symptoms relating to their body function. Symptoms of functional neurological disorders are clinically recognisable, but are not categorically associated with a definable organic disease. [1] [2]
Cases involving these symptoms are classified as functional disorders ("functional" in this context is usually contrasted with the old term "organic disease"). For example, in functional neurologic disorder (FND), those affected present with various neurological symptoms such as functional seizures, numbness, paresthesia, and weakness, among ...
Spinal shock, loss of neural activity including reflexes below the level of injury, occurs shortly after the injury and usually goes away within a day. [42] Priapism, an erection of the penis may be a sign of acute spinal cord injury. [43] The specific parts of the body affected by loss of function are determined by the level of injury.
Neck pains Pains in the neck area tend to be tenacious and persistent and most muscles in the cervical spinal region tighten causing for discomfort. [1] Headaches Headaches are further triggered through the stiffness of neck muscles, which pull at their attachment to the skull. These headaches are recurrent in nature and start from the base of ...
impairment of tactile sensation impairment of proprioception , i.e. postural sensation and sensation of passive movement sensory and visual neglect syndromes, i.e. inability to pay attention to things in certain parts of the person's sensory or spatial environment; this may be as extreme as denial of a limb
Functional weakness is weakness of an arm or leg without evidence of damage or a disease of the nervous system. Patients with functional weakness experience symptoms of limb weakness which can be disabling and frightening such as problems walking or a 'heaviness' down one side, dropping things or a feeling that a limb just doesn't feel normal or 'part of them'.
Any limitation or function loss deriving from impairment that prevents the performance of an activity in the time lapse considered normal for a human being. Handicap The disadvantaged condition deriving from impairment or disability limiting a person performing a role considered normal in respect of age, sex and social and cultural factors.