NEW YORK Reuters Health -- Like victims in a horror film, patients with a rare syndrome known as 'alien hand' feel disassociated from one of their own hands, insisting that the hand is 'possessed' by a force outside their control. The condition typically arises in the aftermath of brain surgery, stroke, or infection. Patients can feel sensation in the hand, but believe that it is not part of their body, and that they have no control over its movements. In some cases, ''alien hands can perform complex acts such as trying to tear clothes or undoing buttons,'' explain neurologist Dr.
Corticobasal degeneration - Wikipedia
Alien hand syndrome AHS or Dr. Strangelove syndrome  is a category of conditions in which a person experiences their limbs acting seemingly on their own, without conscious control over the actions. Alien hand syndrome is best documented in cases where a person has had the two hemispheres of their brain surgically separated , [ citation needed ] a procedure sometimes used to relieve the symptoms of extreme cases of epilepsy and epileptic psychosis , e. It also occurs in some cases after brain surgery , stroke , infection , tumor , aneurysm , migraine and specific degenerative brain conditions such as Alzheimer's disease , Corticobasal degeneration  and Creutzfeldt—Jakob disease. Sometimes the sufferer will not be aware of what the alien hand is doing until it is brought to his or her attention, or until the hand does something that draws their attention to its behavior. There is a clear distinction between the behaviors of the two hands in which the affected hand is viewed as "wayward" and sometimes "disobedient" and generally out of the realm of their own voluntary control, while the unaffected hand is under normal volitional control.
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The alien hand syndrome is a striking phenomenon characterized by purposeful and autonomous movements that are not voluntarily initiated. This study aimed to examine neural correlates of this rare neurological disorder in a patient with corticobasal degeneration and alien hand syndrome of the left hand. We employed functional magnetic resonance imaging to investigate brain responses associated with unwanted movements in a case study.
Therefore, since the toy did not act like a baby, she in turn tortured it, which is different than the way she treats her other toys. Interestingly, Alana was not desensitized to the toy, but rather she was curious to see why the artificial baby was not reacting the way she expected it to. This is because there was only one piece of information Alana was getting, the denial. Since there were two voices and therefore, two stimulus, desensitization took play. There was no palliative care where treating symptoms is as important as pain management and providing psychological support.