Ap Psychology Vocabulary List By Unit

AP Psychology Vocabulary List by Unit

Mastering vocabulary is essential for success in AP Psychology, as it forms the foundation for understanding complex psychological concepts and performing well on the exam. This comprehensive vocabulary list by unit will help students deal with the extensive terminology they'll encounter throughout the course, organized according to the College Board's curriculum framework.

Counterintuitive, but true.

Unit 1: Psychology's History and Approaches

The first unit introduces students to the origins and development of psychological thought:

• Structuralism: Early psychological approach focused on identifying the basic elements of consciousness through introspection.
• Functionalism: School of thought that emphasized how mental processes function to help organisms adapt to their environments.
• Behaviorism: Perspective that psychology should study observable behavior rather than unconscious mental processes.
• Humanistic psychology: Approach that emphasizes personal growth, free will, and human potential.
• Cognitive psychology: Study of mental processes such as thinking, memory, and problem-solving.
• Biopsychological approach: Perspective that focuses on the biological basis of behavior and mental processes.
• Evolutionary psychology: Study of how evolutionary principles help explain psychological processes and behaviors.
• Cultural psychology: Examination of how cultural factors influence human behavior and mental processes.
• Gestalt psychology: School of thought that emphasizes the whole experience rather than breaking it down into components.
• Psychoanalysis: Developed by Sigmund Freud, this theory emphasizes unconscious conflicts and childhood experiences.

Unit 2: Research Methods

Understanding research methodology is crucial for evaluating psychological claims:

• Case study: In-depth investigation of a single individual or small group.
• Naturalistic observation: Observing subjects in their natural environment without intervention.
• Survey research: Collecting data by asking questions of a sample of respondents.
• Correlational research: Examining relationships between variables without establishing cause and effect.
• Experimental method: Scientific approach that manipulates variables to determine cause-and-effect relationships.
• Independent variable: The factor that is deliberately changed or manipulated in an experiment.
• Dependent variable: The outcome that is measured to see if it changes due to the independent variable.
• Random assignment: Technique for assigning participants to experimental and control groups.
• Double-blind procedure: Research design where neither participants nor experimenters know who is in which group.
• Placebo effect: Phenomenon where a patient's improvement is due to their expectations rather than treatment.
• Confounding variable: Factor other than the independent variable that might affect the dependent variable.

Unit 3: Biological Bases of Behavior

This unit explores the physical aspects of psychological functioning:

• Neuron: Basic unit of the nervous system that transmits information.
• Dendrites: Branch-like extensions of neurons that receive messages from other neurons.
• Axon: Extension of a neuron that transmits information to other neurons.
• Synapse: Junction between two neurons where communication occurs.
• Neurotransmitters: Chemical messengers that transmit signals across synapses.
• Action potential: Electrical signal that travels down the axon of a neuron.
• Central nervous system (CNS): Brain and spinal cord.
• Peripheral nervous system (PNS): Nerves outside the brain and spinal cord.
• Endocrine system: Network of glands that produce hormones regulating bodily functions.
• Brain plasticity: Ability of the brain to reorganize and form new neural connections.
• Limbic system: Group of brain structures involved in emotion and memory.

Unit 4: Sensation and Perception

This unit covers how we detect and interpret sensory information:

• Sensation: Process of detecting external stimuli through sensory receptors.
• Perception: Process of organizing and interpreting sensory information.
• Absolute threshold: Minimum level of stimulus intensity needed to detect a stimulus.
• Difference threshold: Smallest difference between two stimuli that can be detected.
• Weber's law: Principle that the just noticeable difference is proportional to the magnitude of the stimulus.
• Sensory adaptation: Decreased sensitivity to a stimulus after prolonged exposure.
• Transduction: Process of converting one form of energy to another.
• Signal detection theory: Explanation of how we detect stimuli amidst background noise.
• Gestalt principles: Rules describing how we organize visual elements into groups.
• Top-down processing: Interpretation of sensory information based on prior knowledge and expectations.
• Bottom-up processing: Interpretation of sensory information starting with basic sensory features.

Unit 5: States of Consciousness

This unit explores different levels of awareness:

• Consciousness: Awareness of oneself and one's environment.
• Circadian rhythms: Physical, mental, and behavioral changes that follow a 24-hour cycle.
• Sleep stages: Different phases of sleep including REM and non-REM sleep.
• REM sleep: Stage characterized by rapid eye movements and vivid dreaming.
• Sleep paralysis: Temporary inability to move or speak while falling asleep or waking up.
• Hypnosis trance-like state of heightened suggestibility.
• Psychoactive drugs: Substances that alter mood, perception, or consciousness.
• Tolerance: Need for increased amounts of a substance to achieve the same effect.
• Withdrawal: Physical and psychological symptoms that occur when reducing or stopping substance use.
• Near-death experience: Profuse psychological event reported after a life-threatening crisis.

Unit 6: Learning

This unit examines how behaviors are acquired and modified:

• Classical conditioning: Learning through association of stimuli (Pavlov's dogs).
• Unconditioned stimulus (US): Naturally occurring stimulus that triggers a response.
• Unconditioned response (UR): Natural reaction to an unconditioned stimulus.
• Conditioned stimulus (CS): Previously neutral stimulus that eventually triggers a conditioned response.
• Conditioned response (CR): Learned response to a conditioned stimulus.
• Operant conditioning: Learning through consequences of behavior (Skinner's work).
• Reinforcement: Consequence that increases the likelihood

of a behavior.

• Positive reinforcement: Adding a desirable stimulus. In real terms, - Negative reinforcement: Removing an undesirable stimulus. - Punishment: Consequence that decreases the likelihood of a behavior. Practically speaking, - Positive punishment: Adding an undesirable stimulus. - Negative punishment: Removing a desirable stimulus.
• Extinction: Gradual weakening and disappearance of a learned response when the conditioned stimulus is repeatedly presented without the unconditioned stimulus.
• Shaping: Gradually reinforcing successive approximations of a desired behavior.

Unit 7: Memory

This unit walks through the processes involved in storing and retrieving information:

• Sensory memory: Brief storage of sensory information.
• Short-term memory (STM): Temporary storage of information, limited capacity.
• Working memory: Active manipulation and processing of information in STM.
• Long-term memory (LTM): Relatively permanent storage of information, unlimited capacity.
• Explicit memory (declarative memory): Conscious recollection of facts and events.
• Semantic memory: Memory for facts and general knowledge.
• Episodic memory: Memory for personal experiences and events.
• Implicit memory (non-declarative memory): Unconscious memory for skills and habits.
• Procedural memory: Memory for how to do things.
• Encoding: Process of transforming information into a form that can be stored in memory.
• Storage: Process of maintaining information in memory.
• Retrieval: Process of accessing information stored in memory.

Unit 8: Motivation and Emotion

This unit explores the driving forces behind behavior:

• Motivation: The internal state that energizes and directs behavior.
• Instinct: Inborn, unlearned patterns of behavior.
• Drive: Physiological need or state that motivates behavior.
• Hunger drive: Motivation to replenish energy stores.
• Thirst drive: Motivation to replenish fluids.
• Emotion: Subjective experience accompanied by physiological and behavioral changes.
• James-Lange theory: Emotions are a result of physiological responses to stimuli.
• Cannon-Bard theory: Emotions and physiological responses occur simultaneously.
• Schachter-Singer two-factor theory: Emotions are influenced by physiological arousal and cognitive interpretation.
• Basic emotions: Universal emotions such as happiness, sadness, anger, fear, and surprise.

Conclusion:

This comprehensive overview of psychology has explored a diverse range of topics, from the nuanced mechanisms of sensory perception and consciousness to the fundamental processes of learning, memory, motivation, and emotion. Which means each unit has illuminated how we experience the world, how our behaviors are shaped, and the complex interplay between our internal states and external stimuli. Understanding these core concepts provides a foundational framework for further exploration within the vast and fascinating field of psychology, allowing for a deeper appreciation of the human mind and behavior. Further study and investigation into specific areas within these units will undoubtedly reveal even more nuanced and compelling insights into the complexities of the human experience Easy to understand, harder to ignore..