Glossary P

Preference for Consistency (PFC) refers to a disposition that represents the extent to which people desire predictability and compatibility within their own responses and within others’ responses

Preference method is a method used to gain information about infants’ perceptual abilities by presenting two (2) or more stimuli and observing which stimulus the infant prefers.

Preference-for-novelty paradigms are tasks in which an infant's preference, often measured in looking time, for a novel as opposed to a familiar stimulus is used as an indication of memory for the familiar stimulus.

- Preferential looking (PL) Technique : Preferential looking (PL) technique refers to a technique used to measure perception in infants where two (2) stimuli are presented, and the infant’s looking behavior is monitored for the amount of time the infant spends viewing each stimulus.

Preferred Provider Organization (PPO) is defined as a network of affiliated practitioners that has agreed to charge pre-established rates for particular medical services. Preferred Provider Organization (PPO) also refers to a managed care system that contracts with outside providers to supply services to members. These outside providers are reimbursed for their services at a discounted rate in return for an increased number of member referrals.

Preformated Reports are forms prepared manually by investigators

Prefrontal cortex is the region at the front of the brain important in language, emotional expression, the planning and producing of new ideas, and the mediation of social interactions; anterior portion of the frontal lobe of the cortex, which responds mostly to the sensory stimuli that signal the need for a movement Moreover, Prefrontal cortex is the region in the frontal lobe that is involved with executive functioning; the very front of the frontal lobes; involved in sense of self, reasoning, and planning.

Prefrontal Lobotomy refers to a type of Psychosurgery in which the frontal lobes of the brain are severed from the lower centers of the brain in people suffering from Psychosis. Prefrontal Lobotomy, moreover, is an operation that severs the nerve fibers that connect the brain's frontal lobe to the thalamus which is performed on individuals with severe mental disorders that have not responded to other treatments.