If the correlation coefficient has a positive value (above 0) it indicates a positive relationship between the variables meaning that both variables move in tandem, i.e. as one variable decreases the other also decreases, or when one variable increases the other also increases.
What Causes Alien Hand Syndrome? Despite the movements involved with alien hand syndrome, it isnât technically a movement disorder. Instead, it appears to occur as the result of some type of neurological damage. Common causes include: Stroke. Tumors. Various neurodegenerative diseases.
Known as alien hand syndrome, this rare but troubling problem can cause your hand to move on its own. Out of Control: Symptoms of Alien Hand Syndrome. In alien hand syndrome, your hand moves without you being aware of whatâs happening or being able to control it.