Attacks per round. The term attacks per round (APR) refers to how many attacks a creature is able to make during a round (6 seconds). The base attacks per round is determined by the creature's base attack bonus (BAB) â or unarmed base attack bonus (UBAB) in the case of a monk fighting unarmed or with a kama.
The exact cause of narcolepsy is unknown. There may be many causes. Most people with narcolepsy have low levels of the chemical hypocretin (hi-poe-KREE-tin).
Parkinson's disease is caused by a loss of nerve cells in the part of the brain called the substantia nigra.Nerve cells in this part of the brain are responsible for producing a chemical called dopamine.t is not known why the loss of nerve cells associated with Parkinson's disease occurs, although research is ongoing to identify potential causes. Currently, it is believed that a combination of genetic changes and environmental factors may be responsible for the condition.