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.
Hand, foot and mouth disease is generally a mild illness caused by a number of enteroviruses, particularly coxsackieviruses. It is usually not a serious illness, and occurs mainly in children under 10 years of age but can also occur in older children and adults.