Glossary P
Glossary P
Parapsychology is defined as the study of extranormal psychological events, such as extrasensory perception. Parapsychology is a term coined by J.B. Rhine to refer to the experimental and quantitative study of paranormal phenomena. Now generally used instead of "psychical research" to refer to all scientific investigation of the paranormal
parasomnia refers to abnormal behavior such as a nightmare or sleep-walking that occurs during sleep.
parasomnias is a category of sleep disorders in which behavioral or physiological events intrude on on-going sleep. Persons suffering from parasomnias usually complain of unusual behaviors during sleep such as sleepwalking and nightmares .
Parasympathetic branch is a part of the autonomic system that quiets the body and conserves energy; a branch of the ANS (automomic nervous system) that is responsible for lowering heart rate and blood pressure
Parasympathetic nervous system is the portion of the autonomic nervous system that primarily releases acetylcholine from its post-ganglionic nerve endings.
- Paraventricular nucleus (PVN) : Paraventricular nucleus (PVN) is the area of the hypothalamus in which activity tends to limit meal size and damage leads to excessively large meals