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Catalepsy (from Ancient Greek katálēpsis, κατάληψις, "seizing, grasping") is a neurological condition characterized by muscular rigidity and fixity of posture regardless of external stimuli, as well as decreased sensitivity to pain.
Cataplexy is considered secondary when it is due to specific lesions in the brain that cause a depletion of the hypocretin neurotransmitter. Secondary cataplexy is associated with specific lesions located primarily in the lateral and posterior hypothalamus. Cataplexy due to brainstem lesions is uncommon particularly when seen in isolation. The ...
Catalepsy is the term for catatonic rigidity of the limbs which often results in abnormal posturing for long intervals. cataplexy. Cataplexy refers to a sudden loss ...
Waxy flexibility is one of the twelve symptoms [1] that can lead to the diagnosis of catatonia.It is a psychomotor symptom [2] that results in a decreased response to stimuli and a tendency to remain in an immobile posture. [3]
In the ICD-11, catatonia is defined as a syndrome of primarily psychomotor disturbances that is characterized by the simultaneous occurrence of several symptoms such as stupor, catalepsy, waxy flexibility, mutism, negativism, posturing, mannerisms, stereotypies, psychomotor agitation, grimacing, echolalia, and echopraxia. Catatonia may occur in ...
Catalepsy is a nervous disorder characterized by immobility and muscular rigidity, along with a decreased sensitivity to pain. Catalepsy is considered a symptom of serious diseases of the nervous system (e.g., Parkinson's disease, Epilepsy, etc.) rather than a disease by itself. Cataleptic fits can range in duration from several minutes to weeks.
To diagnose catatonic depression, it requires the presence of 3 of the following 12 clinical signs, which includes stupor (impaired responsiveness indicated by a lack of movement and speech), catalepsy (a lack of response to external stimuli due to muscular rigidity), waxy flexibility (resistance to repositioning after being moved), mutism ...
There seems to be some confusion about the use of the terms "syncope" and "cataplexy". With syncope, there is loss of consciousness. With cataplexy, there is no loss of consciousness. Cataplexy is often induced by strong emotions, including laughter, and is a feature of narcolepsy. Axl 17:37, 25 July 2008 (UTC)