Pysch Test 2

Consciousness

Our subjective awareness of ourselves and our environment.

Cognitive Neuroscience

The study of brain activity linked with cognition such as thinking, knowing, remembering, and communicating.

Dual Processing

The simultaneous processing of information on separate conscious and unconscious tracks.

Blindsight

A condition in which a person can respond to a visual stimulus without consciously experiencing it.

Circadian Rhythm

Regular bodily rhythms that occur in a 24-hour cycle, also known as our biological clock.

NREM1

The lightest stage of sleep characterized by hypnic jerks.

REM Sleep

A sleep stage characterized by vivid dreams and paralysis; associated with memory consolidation.

Sleep Deprivation

The condition of not getting enough sleep, which negatively affects mood, focus, and overall health.

Insomnia

A sleep disorder that involves trouble falling asleep and staying asleep.

Dream Theories

Hypotheses that attempt to explain why we dream, including information processing and physiological functions.

Transduction

The conversion of one form of energy into another, such as sound waves into neural impulses.

Absolute Threshold

The minimum stimulus energy required to detect a stimulus 50% of the time.

Weber’s Law

The principle that two stimuli must differ by a constant minimum percentage for us to notice a difference.

Sensory Adaptation

The diminished sensitivity to a constant stimulus over time.

Prospagnosia

A neurological condition characterized by the inability to recognize faces.

Amplitude (in hearing)

The height of sound waves that determines how loud a sound is, measured in decibels.

Conductive Deafness

Hearing impairment caused by obstruction or damage to the outer or middle ear.

Gate-Control Theory

The theory that states a gate in the spinal cord can allow or block pain messages to the brain.

Olfaction

The sense of smell.

Gustation

The sense of taste.

Kinesthesia

The sense of position and movement of individual body parts.

Sensory Interaction

The phenomenon where one sense influences another.