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.
Wet gangrene is caused by a sudden and traumatic loss of blood supply to the body part. Tissue death begins rapidly and an infection sets in, notes WebMD. The infection from wet gangrene can spread quickly through the body. Another condition that can cut off circulation to the fingers is cold hand syndrome. The condition can cause numbness or pain, swelling, hands that are very cold to the touch, tingling and discoloration.