Symptoms and Signs: Nervous System
22 entries in the Symptoms and Signs: Nervous System compendium.
Abnormal posturingInvoluntary limb posturing indicating severe brain injury.AcalculiaAcquired difficulty with arithmetic after brain injury.Agitation (medical)A state of heightened activity that may escalate to aggression or violence.AgnosiaAgnosia is the inability to recognize sensory stimuli despite intact senses.AkathisiaA movement disorder of inner restlessness and inability to sit still.Akinetic mutismA disorder of diminished motivation with akinesia and mutism.AllochiriaA disorder mislocating stimuli to the opposite side of the body.AsterixisA flapping-like movement disorder from metabolic or structural brain dysfunction.AthetosisSlow, involuntary writhing movements due to basal ganglia damage.Brudziński's signThree clinical signs of meningeal irritation.ConvulsionUncontrolled muscle contractions from abnormal brain activity.CyanopsiaA temporary blue tint to vision, often after cataract surgery or medication use.DiadochokinesiaAbility to perform rapid alternating antagonistic movements; loss indicates cerebellar disease.DysarthriaNeurological motor speech disorder impairing articulation.DyschronometriaA cerebellar disorder causing distorted time perception.DysdiadochokinesiaImpaired ability to perform rapid, alternating movements.DyskinesiaInvoluntary muscle movements from tremor to uncontrollable limb motion.DysmetriaA coordination disorder marked by overshooting or undershooting movements.DysosmiaQualitative smell disorder including parosmia and phantosmia.FasciculationSpontaneous muscle twitches, often benign but sometimes indicating motor neuron disease.FibrillationRapid, irregular contraction of muscle fibers, notably cardiac.Frontal release signPrimitive reflexes released by frontal lobe dysfunction.
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