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.
Brain death is determined by one or more physicians not associated with a transplantation team. Some causes of brain death include (but are not limited to): 1  Trauma to the brain (i.e. severe head injury caused by a motor vehicle crash, a fall or blow to the head)  Cerebrovascular injury (i.e. stroke or aneurysm)