Intensity of stimuli - Study guides, Class notes & Summaries

MCAT Psychology UPDATED Exam Questions and CORRECT Answers Absolute threshold - Ans The minimum stimulus intensity required to activate a sensory receptor 50% of the time. Difference threshold (JND) - Ans The minimum noticeable difference between two sensory stimuli 50% of the time

attribution theory - the theory that we explain someone's behavior by crediting either the situation or the person's disposition. fundamental attribution error - the tendency for observers, when analyzing others' behavior, to underestimate the impact of the situation and to overestimate the impact of personal disposition. cognitive dissonance theory - the theory that we act to reduce the discomfort (dissonance) we feel when two of our thoughts (cognitions) are inconsistent. For example,...

Nurs 210 Exam 1 homeostasis - correct answer maintenance of relatively stable internal conditions despite continuous changes in the environment dynamic state of equilibrium - correct answer always readjusting as needed and is maintained by contributions of all organ systems what systems are responsible for communication? - correct answer nervous and endocrine system what are internal variables in the body that need to be controlled? - correct answer temperature, blood glucose, blood pre...

Psychopharmacology Drugs The Brain And Behavior 3rd Edition Meyer Nursing Test Bank Multiple Choice 1. refer(s) to specific molecular changes that occur when a drug binds to a particular target site or receptor, while are the resulting widespread alterationsin function. a. Drug action; therapeutic effects b. Side effects; drug effects c. Therapeutic effects; side effects d. Drug action; drug effects Answer: d Textbook Reference: Pharmacology: The Science of Drug Action 2. After drug administrati...

The JND is a constant fraction of the stimulus. - ️️•JND / I = K I= intensity of the standard K = a constant that is characteristic of the task ("Weber fraction") conditions: - ️️-cataract - an opaque (or less transparent) area in the lens•some caused by UV in sunlight; common in aged•cured by removing lens, use glasses instead (but...) perception - ️️conscious experience of objects and their relationships (resulting from psychological processes in which meaning, r...

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______ are explanations that organize scientific observations into meaningful patterns and that account for relationships among observed events in terms of underlying mechanisms.* a. Inferences. b. Hypotheses. c. Predictions. d. Ethics. e. Theories. - e. Theories. *______ refers to the ways in which the intensity and other physical characteristics of stimuli give rise to our psychological experience of them.* a. Psychophysics b. Introspection c. Structuralism d. Gestalt e. Functional...

Sensation - correct answers is the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment. Perception - correct answers is the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events. Bottom-up processing - correct answers analysis that begins with the sensory receptors and works up to the brains's integration of sensory information. Example: putting a puzzle together...

operant conditioning - Answer-learning process through which the strength of a behavior is modified by reinforcement or punishment. classical conditioning - Answer-a learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone. positive reinforcement - Answer-Increasing behaviors by presenting positive stimuli, such as food or a toy. positive reinforcer - Answer-any stimu...

cognitive psychologists correct answers focus on mechanisms of behaviour behavioural psychologists correct answers emphasis on outward/external and observable behaviours and micro mental stimuli direct learning correct answers learning through our own experiences indirect learning/ observational learning correct answers learning through observing other's experiences non-associative learning correct answers ability to notice important events and learn to ignore events that occur with...