VCE Psychology Units 4 Aos 1

Psychological Construct

A concept constructed to describe a specific psychological activity that cannot be directly observed.

Consciousness

The awareness an individual has of their thoughts, feelings, perceptions, or existence.

Normal Waking Consciousness (MWC)

A state of consciousness associated with being awake and aware, characterized by organized alertness to internal and external stimuli.

Altered State of Consciousness (ASC)

Any state of consciousness that is directly different from normal waking consciousness, such as sleep or meditation.

Physiological Indicators

Objective data related to the normal functioning of organs and body systems.

Electroencephalography (EEG)

A method used to study brain waves produced during sleep, detecting electrical activity in the brain.

Beta Waves

Brain waves associated with alertness and concentration during normal waking consciousness.

Theta Waves

Brain waves produced during light sleep and when drowsy, indicating a relaxed and dreamy state.

Delta Waves

Brain waves associated with deep dreamless sleep essential for restorative sleep.

Sleep Disturbance

Any sleep-related problem that disrupts a person's normal wake cycle.

Primary Sleep Disorder

A persistent sleep disturbance not attributable to other medical or mental conditions.

Circadian Rhythm

Physiological, psychological, and behavioral changes occurring in roughly 24-hour cycles.

Suprachiasmatic Nucleus (SCN)

The area of the brain that acts as the master biological clock regulating the sleep-wake cycle.

Melatonin

A hormone that promotes drowsiness and helps regulate the sleep-wake cycle.

Sleep Hygiene

Adaptive practices and habits aimed at promoting good sleep patterns and full daytime alertness.

Sleep Deprivation

Inadequate quantity or quality of sleep, impacting physical and psychological health.

Blue Light Therapy

A treatment method using bright light exposure to adjust a person's circadian rhythm.

Shift Work Disorder

Sleep disturbances occurring due to work shifts scheduled during normal sleep periods.