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Ideomotor Apraxia, often IMA, is a neurological disorder characterized by the inability to correctly imitate hand gestures and voluntarily mime tool use, e.g. pretend to brush one's hair. The ability to spontaneously use tools, such as brushing one's hair in the morning without being instructed to do so, may remain intact, but is often lost.
Apraxia is a motor disorder caused by damage to the brain (specifically the posterior parietal cortex or corpus callosum [ 1] ), which causes difficulty with motor planning to perform tasks or movements. The nature of the damage determines the disorder's severity, and the absence of sensory loss or paralysis helps to explain the level of ...
Ideational apraxia (IA) is a neurological disorder which explains the loss of ability to conceptualize, plan, and execute the complex sequences of motor actions involved in the use of tools or otherwise interacting with objects in everyday life. [1] Ideational apraxia is a condition in which an individual is unable to plan movements related to ...
Constructional apraxia. Constructional apraxia is a neurological disorder in which people are unable to perform tasks or movements even though they understand the task, are willing to complete it, and have the physical ability to perform the movements. [ 1]
Agraphia. Agraphia is an acquired neurological disorder causing a loss in the ability to communicate through writing, either due to some form of motor dysfunction [ 1] or an inability to spell. [ 2] The loss of writing ability may present with other language or neurological disorders; [ 1] disorders appearing commonly with agraphia are alexia ...
The ideomotor phenomenon is a psychological phenomenon wherein a subject makes motions unconsciously. Also called ideomotor response (or ideomotor reflex) and abbreviated to IMR, it is a concept in hypnosis and psychological research. [ 2] It is derived from the terms "ideo" (idea, or mental representation) and "motor" (muscular action).
Callosal syndrome, or split-brain, is an example of a disconnection syndrome from damage to the corpus callosum between the two hemispheres of the brain. Disconnection syndrome can also lead to aphasia, left-sided apraxia, and tactile aphasia, among other symptoms. Other types of disconnection syndrome include conduction aphasia (lesion of the ...
Ideomotor apraxia (IMA), although clearly present in CBD, often manifests atypically due to the additional presence of bradykinesia and rigidity in those individuals exhibiting the disorders. The IMA symptom in CBD is characterized by the inability to repeat or mimic particular movements (whether significant or random) both with or without the ...