Definition and Scope of Ataxia Ataxia is fundamentally defined as a neurological sign characterized by a lack of voluntary coordination of muscle movements that cannot be attributed to muscle weakness or spasticity. It represents a significant disruption in the brain’s ability to smoothly and accurately execute planned actions, resulting in clumsiness, inaccuracy, and instability. While […]
Introduction and Definition of Bradykinesia Bradykinesia, derived from the Greek words meaning “slow movement,” represents one of the cardinal and defining symptoms of parkinsonism, characterized fundamentally by a pervasive slowness in the execution of movement. This pathological deceleration is not merely a reduction in speed, but rather encompasses several distinct kinetic abnormalities including difficulty initiating […]