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Hypomimia (masked faces, masking of faces, mask-like facial expression), a medical sign, is a reduced degree of facial expression. It can be caused by motor impairment (for example, weakness or paralysis of the facial muscles ), as in Parkinson's disease , or by other causes, such as psychological or psychiatric factors (for example, if a ...
Bradykinesia can also lead to hypomimia, reduced facial expressions. [21] Rigidity, also called rigor, refers to a feeling of stiffness and resistance to passive stretching of muscles that occurs in up to 89 percent of cases. [23] [24] Postural instability typically appears in later stages, leading to impaired balance and falls. [25]
Simplified graphical comparison of bipolar I, bipolar II and cyclothymia [1] [2]: 267 . Hypomania (literally "under mania" or "less than mania") [3] is a psychiatric behavioral syndrome [4] characterized essentially by an apparently non-contextual elevation of mood (i.e., euphoria) that contributes to persistently disinhibited behavior.
Four motor symptoms are considered cardinal signs in PD: slowness of movement (bradykinesia), tremor, rigidity, and postural instability. [1] Typical for PD is an initial asymmetric distribution of these symptoms, where in the course of the disease, a gradual progression to bilateral symptoms develops, although some asymmetry usually persists.
Hypomimia, a medical sign whereby a patient appears to have limited facial expression due to a disease condition. Topics referred to by the same term This disambiguation page lists articles associated with the title Facial masking .
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Third and fourth stages include progressive dementia, movement disorders, hypomimia, speech impediments, sensory processing disorder, tremors, vertigo, deafness, depression and suicidality. [7] Additional symptoms include dysarthria, dysphagia, cognitive disorders such as amnesia, and ocular abnormalities, such as ptosis. [8]
Depending on the type and severity of encephalopathy, common neurological symptoms are loss of cognitive function, subtle personality changes, and an inability to concentrate. Other neurological signs may include dysarthria, hypomimia, problems with movements (they can be clumsy or slow), ataxia, tremor. [6]