Aboriginal and Torres Strait Islander peoples
The Australian Indigenous population, including Aboriginal peoples, Torres Strait Islander peoples, and those with both heritages.
Accuracy
The closeness of a measurement to the true value of the quantity being measured.
Acquired
Present after brain injury or significant psychological event.
Acquisition
The process of learning to associate two events (neutral stimulus and unconditioned stimulus).
Acronym
An abbreviation formed from the first letter of each word, pronounced as a single word.
Acrostic
A phrase or poem where the first letter of each word serves as a memory cue.
Acute stress
Stress that occurs due to a sudden threat and lasts for a short time.
Advanced Sleep Phase Disorder (ASPD)
A circadian rhythm sleep disorder with advanced sleep onset and awakening times.
Affective functioning
A person's experience of their emotions.
After conditioning
The final stage of classical conditioning.
Agonist
A drug that mimics neurotransmitter action by binding to the same receptor.
Alarm reaction stage
The first stage of general adaptation syndrome, consisting of shock and countershock phases.
Altered state of consciousness
A state differing in awareness compared to normal waking consciousness.
Alzheimer’s disease
A neurodegenerative disease causing memory loss and cognitive decline.
Amygdala
A brain structure involved in emotional reactions and memory formation, especially fear.
Amyloid plaque
Abnormal beta-amyloid protein build-up interfering with neuron communication.
Antecedent
An environmental stimulus that triggers an action.
Anterograde amnesia
The inability to form new explicit long-term memories after an amnesia-causing event.
Anxiety
An emotion characterized by worry and uneasiness about potential negative outcomes.
Aphantasia
The inability to visualize imagery.
Appraisal
The process of categorizing an event based on its perceived significance.
Benzodiazepine
An agonist drug that reduces anxiety by affecting the central nervous system.
Between subjects design
An investigation design where participants are randomly allocated to control or experimental conditions.
Biological factor
A factor related to physiological functioning of the body.
Biological intervention
A treatment targeting physiological mechanisms contributing to a condition.
Biological risk factor
A physiological factor that may contribute to mental disorders.
Blood alcohol concentration (BAC)
The percentage of alcohol in the bloodstream.
Blue light
Light emitted from screens and bulbs, affecting sleep patterns.
Brain
A complex structure processing sensory stimuli and coordinating responses.
Brain atrophy
The loss of neurons in the brain.
Brain scan
An examination showing brain activity and tissues.
Breathing retraining
An anxiety management technique teaching control of breathing in phobic situations.
Bright light therapy
A treatment for sleep disorders involving exposure to bright light.
Approach strategy
An effort to confront and deal directly with a stressor.
Attention
The first stage in observational learning, where the learner watches the model's behavior.
Autobiographical memory
A memory system of episodes from an individual's life.
Autonomic nervous system
A subdivision of the peripheral nervous system controlling internal body functions.
Avoidance behaviour
Actions taken to escape difficult thoughts and feelings.
Avoidance strategy
An effort to avoid a stressor without direct confrontation.
Bar chart
A method to display data with discrete categories.
Basal ganglia
Structures involved in motor movement and procedural memory.
Before conditioning
The first stage of classical conditioning where no learning has occurred.
Behaviour
Any observable action by an organism.
Behavioural functioning
A person's observable actions.
Behaviourist approach
An approach stating that behaviors are learned through environmental interactions.
Beneficience
an ethical concept involving the commitment to maximising benefits and minimising risks and harms
Benzodiazepine
a type of agonist drug that works on the central nervous system to make the post- synaptic neuron less likely to fire, which regulates anxiety
Between Subjects
an investigation design in which participants are randomly allocated to either the control or the experimental condition
Biological Factor
a factor that relates to the physiological functioning of the body
Blue Light
a part of the visible light spectrum that is emitted from smartphone screens, computer monitors, televisions, LED and fluorescent light bulbs, as well as sunlight
Breathing Retraining
an anxiety management technique that involves teaching someone with a specific phobia how to control their breathing in the presence of their phobic stimulus
Bright Light Therapy
a therapy to treat a sleep disorder in which the person is exposed to a bright light to reset the sleep–wake cycle
Case Study
a type of investigation of a particular activity, behaviour, event or problem that contains
a real or hypothetical situation and includes real-world complexities
Catastrophic Thinking
a cognitive bias that involves overestimating and exaggerating the worst possible outcomes to situations even though they are unlikely to occur
Central Nervous System
the brain and the spinal cord; processes and coordinates responses to sensory stimuli
Cerebellum
coordinates timing and fluency of movements; encodes and temporarily stores implicit memories of simple conditioned reflexes
Cerebral Cortex
involved in complex mental abilities, sensory processing, voluntary movements and storage of explicit memories
Chronic Stress
stress that lasts for a long time
Circadian Rhythm
biological processes that coordinate the timing of body activities over a 24-hour period
Circadian Rhythm Sleep Disorders
a category of sleep disorders in which
sleep is disrupted because the circadian rhythm and a person’s sleep–wake schedule are misaligned
Classical Conditioning
a simple form of learning that occurs through repeated associations between a neutral stimulus and an unconditioned stimulus to produce a conditioned response
Classification/Identification
a type of investigation that involves
arranging phenomena, objects or events
into manageable sets
Cognitive Behavioural Therapy (CBT)
a common intervention consisting of a range of cognitive and behavioural therapies and learning principles to help people identify and change unhelpful thought processes, feelings and behaviours to more helpful ones
Cognitive Bias
the tendency to think in a way that involves errors of judgement and faulty decision-making
Cognitive Functioning
a person’s mental processing
Conditioning
the learning process by which the behaviour of an organism becomes dependent on an event occurring in its environment
Confidentiality
an ethical guideline that ensures participants remain anonymous, and their personal information is kept private, protected and secure throughout the study
Consciousness
the awareness of your own internal mental processes, including your thoughts, feelings, sensations and perceptions, and your awareness of the external world around you
Consolidation
the process by which a temporary memory is transformed into a more stable, long-lasting form
Context-Specific Effectiveness
when a coping strategy matches or is appropriate to the stressful situation
Coping
all the things we do to manage and reduce the stress we experience
Coping Flexibility
the ability to modify our coping strategies to adapt and meet the demands of different stressful situations
Cortisol
a hormone produced by the adrenal glands that regulates a wide range of bodily processes, including metabolism, and is released in response to stress
Countershock
the second phase of the alarm reaction stage of the general adaptation syndrome, in which the body’s ability to deal with the stressor rises above normal
Cultural Continuity
the ability to preserve the historical traditions of a culture and carry them forward with that culture into the future
Debriefing
an ethical guideline involving provision of information to participants at the end of the study, including the true aims, results and conclusions, and answering any questions, clarifying misunderstandings or deception, and providing support to ensure no lasting harm
Decay
the fading away of information in short-term memory when not maintained by rehearsal
Deception in Research
an ethical guideline involving withholding the true nature of the study from participants, when their knowledge of the true purpose may affect their behaviour and subsequent validity of the investigation
Declarative Memory
an explicit long-term memory of specific facts and events, most of which can be stated or ‘declared’
Delayed Sleep Phase Syndrome
a circadian rhythm sleep disorder characterised by a delay in the timing of sleep onset and awakening compared with the timing that is desired
Dementia
a collection of symptoms that are caused by disorders affecting the brain
Dendritic Spine
a dendrite fibre that grows by sprouting on the post-synaptic neuron
Dopamine
a multifunctional neurotransmitter with both excitatory and inhibitory effects, that is involved in many central nervous system functions such as movement, pleasure, attention, mood, cognition and motivation
Dysfunctional GABA system
a failure to produce, release or receive the correct amount of gamma-aminobutyric acid
Electroencephalography (EEG)
a technique that detects, amplifies and records the electrical activity of the brain
Electromyography (EMG)
a technique that detects, amplifies and records the electrical activity of the skeletal muscles
Electro-oculography (EOG)
a technique that detects, amplifies and records the electrical activity of the muscles controlling the eyes
Emotional Wellbeing
relates to the ability to feel a range of emotions and express them in a positive way
Encoding
converting sensory information into a useable from that can be processed by the brain
Enteric Nervous System (ENS)
a subdivision of the autonomic nervous system; it consists of nerve cells lining the gastrointestinal tract and controls the digestive system
Episodic Future Thinking
projecting yourself forwards in time to pre-experience an event that might happen in your personal future
Episodic Memory
the declarative memory of personally experienced events
Evidence-based intervention
a treatment shown to be effective in valid and reliable research studies
Excitatory effect
the increased likelihood that the post- synaptic neuron will fire an action potential or neural impulse
Exhaustion Stage
the third stage of the general adaptation syndrome, in which the continued depletion of energy stores and high levels of hormones such as cortisol decrease resistance to the stressor and impair the immune system
Explicit Memory
information that can be consciously retrieved and stated, such as ‘known facts’
External Factor
a factor that influences mental wellbeing and originates from outside a person, such as the physical and social environment
External Validity
whether the results of research can be applied to similar individuals in a different setting
Fear Hierarchy
a list of anxiety-inducing experiences relating to the patient's phobia, in order of from easiest to confront, to the most difficult
to confront
Fieldwork
a type of investigation that involves collecting information through observing and interacting with a selected environment