Comprehensive Psychology Final Exam Review Notes

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Introduction to Psychology

Overview of Psychology

Psychology is the scientific study of behavior and mental processes. It encompasses a wide range of topics, including biological, cognitive, emotional, and social processes.

Abraham Maslow: A humanistic psychologist known for developing the hierarchy of needs, which emphasizes the importance of self-actualization.
Biopsychosocial perspective of psychology: An integrative approach that considers biological, psychological, and social factors in understanding behavior and mental processes.
Humanistic perspective of psychology: Focuses on individual potential and stresses the importance of growth and self-actualization.
Psychodynamic perspective of psychology: Emphasizes unconscious processes and early life experiences in shaping behavior.
Evolutionary perspective of psychology: Explains behavior in terms of adaptation and natural selection.

Psychology Research

Research Methods and Ethics

Psychological research employs various methods to investigate questions about behavior and mental processes.

Case study: An in-depth analysis of an individual, group, or event.
Correlation: A statistical measure that describes the extent to which two variables are related.
Experiment: A research method in which variables are manipulated to determine cause and effect.
Hypothesis: A testable prediction derived from a theory.
Independent variable: The variable that is manipulated in an experiment.
Dependent variable: The variable that is measured in an experiment.
Placebo: An inactive substance or condition used to control for expectancy effects in research.
Random assignment: Assigning participants to experimental and control groups by chance to minimize preexisting differences.
Statistical significance: The likelihood that a result is not due to chance.

Biological Psychology

Neuroscience and the Brain

Biological psychology explores the links between biological processes and psychological phenomena.

Amygdala: A brain structure involved in emotion, especially fear and aggression.
Autonomic nervous system: Controls involuntary bodily functions, such as heart rate and digestion.
Central nervous system: Consists of the brain and spinal cord.
Neurons: Nerve cells that transmit information throughout the nervous system.
Neurotransmitters: Chemical messengers that cross synapses to transmit signals between neurons.
Left hemisphere: The left side of the brain, typically associated with language and analytical processing.
Right hemisphere: The right side of the brain, often linked to spatial and creative tasks.
Corpus callosum: The bundle of nerve fibers connecting the two hemispheres of the brain.
Endocrine system: The body's "slow" chemical communication system; a set of glands that secrete hormones into the bloodstream.

Sensation and Perception

Processing Sensory Information

Sensation is the process by which sensory receptors receive stimuli from the environment, while perception is the interpretation of those stimuli.

Absolute threshold: The minimum stimulation needed to detect a stimulus 50% of the time.
Difference threshold (Just Noticeable Difference): The smallest detectable difference between two stimuli.
Perception: The process of organizing and interpreting sensory information.
Top-down processing: Information processing guided by higher-level mental processes.
Bottom-up processing: Analysis that begins with the sensory receptors and works up to the brain's integration of sensory information.

Consciousness and Sleep

States of Consciousness

Consciousness refers to our awareness of ourselves and our environment. Sleep is a recurring state of rest essential for health and well-being.

REM sleep: A stage of sleep characterized by rapid eye movements and vivid dreams.
Sleep disorders: Conditions that disrupt normal sleep patterns, such as insomnia and narcolepsy.
Dreams: Sequences of images, emotions, and thoughts passing through a sleeping person's mind.

Learning

Classical and Operant Conditioning

Learning is a relatively permanent change in behavior due to experience.

Classical conditioning: Learning by association, as demonstrated by Pavlov's experiments with dogs.
Operant conditioning: Learning based on the consequences of behavior, as studied by B.F. Skinner.
Reinforcement: Any event that strengthens the behavior it follows.
Punishment: An event that decreases the behavior it follows.
Shaping: Gradually guiding behavior toward a desired goal through reinforcement.
Extinction: The diminishing of a conditioned response when the unconditioned stimulus no longer follows the conditioned stimulus.

Memory

Encoding, Storage, and Retrieval

Memory involves encoding, storing, and retrieving information.

Short-term memory: Holds a few items briefly before the information is stored or forgotten.
Long-term memory: The relatively permanent and limitless storehouse of the memory system.
Working memory: A newer understanding of short-term memory that involves conscious, active processing of information.
Forgetting: The inability to retrieve information from memory.
Proactive interference: The disruptive effect of prior learning on the recall of new information.
Retroactive interference: The disruptive effect of new learning on the recall of old information.

Cognition

Thinking, Intelligence, and Language

Cognition refers to all the mental activities associated with thinking, knowing, remembering, and communicating.

Problem solving: The process of finding solutions to difficult or complex issues.
Heuristics: Simple thinking strategies that often allow us to make judgments and solve problems efficiently.
Algorithms: Methodical, logical rules or procedures that guarantee solving a particular problem.
Confirmation bias: The tendency to search for information that supports our preconceptions.
Intelligence: The ability to learn from experience, solve problems, and use knowledge to adapt to new situations.

Emotion and Motivation

Theories and Applications

Emotion and motivation are central to understanding human behavior.

Emotion: A response of the whole organism involving physiological arousal, expressive behaviors, and conscious experience.
Motivation: A need or desire that energizes and directs behavior.
Maslow's hierarchy of needs: A pyramid of human needs, beginning at the base with physiological needs that must first be satisfied before higher-level safety and psychological needs become active.
Drive-reduction theory: The idea that a physiological need creates an aroused state that drives the organism to reduce the need.
Incentive: A positive or negative environmental stimulus that motivates behavior.

Developmental Psychology

Lifespan Development

Developmental psychology studies physical, cognitive, and social change throughout the life span.

Attachment theory: Describes the dynamics of long-term relationships between humans, especially as between a child and caregiver.
Piaget's stages of cognitive development: Sensorimotor, preoperational, concrete operational, and formal operational stages.
Erikson's psychosocial stages: Eight stages from infancy to adulthood, each characterized by a specific psychological conflict.
Parenting styles: Authoritative, authoritarian, permissive, and uninvolved.

Personality

Theories and Assessment

Personality refers to an individual's characteristic pattern of thinking, feeling, and acting.

Freud's psychoanalytic theory: Emphasizes the influence of the unconscious mind and childhood experiences on personality.
Id, ego, superego: The three components of Freud's model of personality.
Defense mechanisms: Unconscious strategies used to reduce anxiety by distorting reality.
Trait theories: Focus on identifying, describing, and measuring individual differences in behavioral predispositions.

Social Psychology

Social Influence and Group Behavior

Social psychology examines how we think about, influence, and relate to one another.

Conformity: Adjusting one's behavior or thinking to coincide with a group standard.
Obedience: Following orders from an authority figure.
Groupthink: The mode of thinking that occurs when the desire for harmony in a decision-making group overrides a realistic appraisal of alternatives.
Prejudice: An unjustifiable attitude toward a group and its members.
Discrimination: Unjustifiable negative behavior toward a group and its members.

Stress and Health

Understanding Stress

Stress is the process by which we perceive and respond to certain events, called stressors, that we appraise as threatening or challenging.

General Adaptation Syndrome (GAS): Selye's concept of the body's adaptive response to stress in three phases—alarm, resistance, exhaustion.
Coping strategies: Methods used to manage stress, such as problem-focused and emotion-focused coping.
Health psychology: The study of psychological and behavioral processes in health, illness, and healthcare.

Psychological Disorders

Classification and Symptoms

Psychological disorders are patterns of thoughts, feelings, or behaviors that are deviant, distressful, and dysfunctional.

Anorexia nervosa: An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted body image.
Obsessive-compulsive disorder (OCD): Characterized by unwanted repetitive thoughts (obsessions) and/or actions (compulsions).
Depression: A mood disorder marked by persistent feelings of sadness and loss of interest.
Schizophrenia: A severe disorder characterized by disorganized thinking, disturbed perceptions, and inappropriate emotions and actions.

Treatment

Therapies and Approaches

Treatment of psychological disorders includes a variety of approaches, such as psychotherapy and biomedical therapy.

Cognitive-behavioral therapy (CBT): A popular integrative therapy that combines cognitive therapy (changing self-defeating thinking) with behavior therapy (changing behavior).
Medication: The use of drugs to manage symptoms of psychological disorders.
Electroconvulsive therapy (ECT): A biomedical therapy for severely depressed patients in which a brief electric current is sent through the brain.

Sample Table: Types of Memory

Type of Memory	Duration	Capacity	Example
Sensory Memory	Fraction of a second	Large	Seeing a flash of lightning
Short-term Memory	About 20 seconds	7 ± 2 items	Remembering a phone number briefly
Long-term Memory	Potentially permanent	Unlimited	Remembering your birthday

Additional info:

Some terms from the list (e.g., "White blood cells") are not typically covered in detail in introductory psychology but may be referenced in the context of health psychology or the biological basis of behavior.
Where only terms were provided, academic context and definitions have been added for completeness.