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.
The disorder is sometimes called white finger, wax finger or dead finger.. Raynaud's phenomenon has many different causes including workplace exposures. Occupationally, it is most commonly associated with hand-arm vibration syndrome but it is also involved in other occupational diseases. It is important to know the signs and symptoms of Raynaud's phenomenon and the workplace hazards that cause it. Awareness can help prevent the disorder from occurring or progressing to a serious stage. If not detected in the early stages, the disorder can permanently impair blood circulation in the fingers.