Psychophysics threshold Study guides, Class notes & Summaries

Psychophysics - ANSWER-the study of relationships between the physical characteristics of stimuli, such as their intensity, and our psychological experience of them just noticeable difference - ANSWER-the threshold at which one can distinguish two stimuli that are of different intensities, but otherwise identical Phonological loop - ANSWER-the part of working memory that holds and processes verbal and auditory information working memory - ANSWER-A newer understanding of short-term memor...

Psych 10-Lecture 5 Sensation - The physical processing of environmental stimuli by the sense organs. Perception - The psychological process of interpreting sensory information Psychophysics - methods that measure the strength of a stimulus and the observer's sensitivity to that stimulus Gustav Fechner - early German psychologist credited with founding concept of a "threshold" (psychophysics) absolute threshold - the minimum stimulation needed to detect a particular stimulus 50 ...

placebo - ANSWER A substance containing no medication and prescribed or given to reinforce a patient's expectation to get well; An inactive substance or preparation used as a control in an experiment or test to determine the effectiveness of a medicinal drug. placebo effect - ANSWER The beneficial effect in a patient following a particular treatment that arises from the patient's expectations concerning the treatment rather than from the treatment itself. meta-analyses - ANSWER The proce...

Sensation -->Transforming energy from the stimuli outside us (e.g. light waves or sound waves) into neural energy that can be used for perception. Perception -->Involves mentally creating an image of the outside world. Constructing meaning out of sensation. Psychophysics -->Area of psychology that addresses the topic of sensation. Signal detection theory -->Our ability to notice a stimulus will vary due to psychological factors including motivation, past experience, and expectatio...

agonist drug that mimics a particular neurotransmitter or makes more of it available by blocking its reuptake. creates more. chemical that binds to a receptor and activates the receptor to produce a biological response refractory period neuron pumps out the sodium ions and can then fire again serotonin neurotransmitter affecting arousal and sleep physiological relating to the way that living things function, rather than to their shape or structure psychological o...

b. Hubel and Wiesel 1. In the video "Sensation and Perception" from class (part of the Discovering Psychology video series), you saw a description of the research done by ________________, who mapped the neural pathways for receptor cells in vision. a. Haber and Warner b. Hubel and Wiesel c. Hertzog and Wentworth d. Skinner and Watson a. smaller than your car ___ 2. You are driving a car. As you prepare to turn, you see a motorcycle coming toward you. The motorcycle is likely to ap...

Wilhelm Wundt Set up the first psychology laboratory in Leipzig, Germany. Structuralists People that believe that consciousness is made up of basic elements that are combined in different ways to produce different perceptions. Functionalists People who focus on how mental experiences are adaptive. Psychodynamic Approach An approach that believes thoughts, feelings, and behaviors stem from the interaction of innate drives, and society's restrictions on the expression of ...

(George) Mendel's Law -->Explains the fundamental laws that explain genetic inheritance Phenotype -->The observable characteristics of an organism due to inheritance Maturation -->The processes of biological development of bodily mechanisms that do the behaving. Cross-modal transfer -->The recognition of an object as familiar when perceived with a sense other than that previously exposed to the object. Sexual maturation -->The most significant form of maturation during puber...

b. Hubel and Wiesel - ANSWER 1. In the video "Sensation and Perception" from class (part of the Discovering Psychology video series), you saw a description of the research done by ________________, who mapped the neural pathways for receptor cells in vision. a. Haber and Warner b. Hubel and Wiesel c. Hertzog and Wentworth d. Skinner and Watson a. smaller than your car - ANSWER ___ 2. You are driving a car. As you prepare to turn, you see a motorcycle coming toward you. The motorcycle i...

GRE Psychology Subject Test 432 Questions with Verified Answers Ablation - CORRECT ANSWER A surgically induced brain lesion. Absolute refractory period - CORRECT ANSWER The period that follows the onset of an action potential. During this period, a nerve impulse cannot be initiated Absolute threshold - CORRECT ANSWER The minimum of stimulus energy needed to activate a sensory system. Accommodation - CORRECT ANSWER A principle of Piaget's theory of cognitive development. It occurs wh...