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).
Epilepsy may be due to a medical condition or injury that affects the brain, or the cause may be unknown (idiopathic). Common causes of epilepsy include: 1  Stroke or transient ischemic attack (TIA). 2  Dementia, such as Alzheimer's disease. 3  Traumatic brain injury.4  Infections, including brain abscess, meningitis, encephalitis, and AIDS. 5  Brain problems that are present at birth (congenital brain defect).ommon causes of epilepsy include: 1  Stroke or transient ischemic attack (TIA). 2  Dementia, such as Alzheimer's disease. 3  Traumatic brain injury. 4  Infections, including brain abscess, meningitis, encephalitis, and AIDS. 5  Brain problems that are present at birth (congenital brain defect).