PSY101 L05 Key Terms Ch 6 Flashcards
Experiences that involve telepathy and the perception of events that has not yet occurred.
Extrasensory perception (ESP)
The smallest quantity of physical energy that can be reliably detected by an observer.
Absolute threshold
The detection of physical energy emitted or reflected by physical objects; it occurs when energy in the external environment or the body stimulates receptors in the sense organs.
Sensation
The smallest difference in stimulation that can be reliably detected by an observer when two stimuli are compared; also called just noticeable difference (jnd).
Difference threshold
The sense of body position and movement of body parts; also called kinesthesia.
Kinesthesis [KIN-es-THEE-sis]
A structure in the cochlea containing hair cells that serve as the receptors for hearing.
Organ of Corti [CORE-tee]
Principles that describe the brain’s organization of sensory information into meaningful units and patterns.
Gestalt principles
Specialized cells that convert physical energy in the environment or the body to electrical energy that can be transmitted as nerve impulses to the brain.
Sense receptors
Impulses from other senses that are routed to the visual areas of the brain allow blind persons to make out shapes.
Sensory substitution
The field of study that researches extrasensory perception (ESP).
Parapsychology
The process by which the brain organizes and interprets sensory information.
Perception
The perception and response to stimuli below our conscious threshold.
Subliminal perception
