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.
1 It also causes 430 sudden infant death syndrome (SIDS) deaths in the U.S. annually. 2  Secondhand smoke exposure may cause buildup of fluid in the middle ear, resulting in 790,000 doctor's office visits per year, as well as more than 202,000 asthma flare-ups among children each year. 3  7.