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96 Cards in this Set

  • Front
  • Back
Sensation (detection)

the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.

Perception (interpretation)

The process by which our brain organizes and interprets sensory information

Transduction

changing one form of energy into another

Eye

Iris


Pupil


Retina


Fovea


Rods


Cones (Color)

Iris: colored circle around the eye
Pupil: black whole that lets light in
Retina: the light sensitive inner surface of the eye; contains receptor rods and cons plus layers of neurons that begin the processing of visual
Fovea: the central point of ...

Iris: colored circle around the eye


Pupil: black whole that lets light in


Retina: the light sensitive inner surface of the eye; contains receptor rods and cons plus layers of neurons that begin the processing of visual


Fovea: the central point of the eye


Rods: black and white/ night vision


Cones: color vision

Young-Helmholtz trichromatic theory

the theory that the retina contains three different color receptors- one most sensitive to red, one to green, one to blue, when stimulated in combination these cells can produce the perception of any color.

Opponent-Process theory

the theory that opposing retinal processes (red- green, yellow-blue, white-black) enable color vision for example some cells are turned off by green and turned on by red.

Gestalt Laws of Organization


Gestalt: Whole is more than the sum of its parts( Gestalt psychologists emphasized our tendency to emphasize our tendency to integrate pieces of information into meaningful wholes)

Figure-Ground


Proximity


Continuity


Closure

Figure-Ground

the organizations of the visual field into objects that stand out from their surroundings (the ground).

Proximity

we group nearby figures together.

Continuity

we perceive smooth, continuous patterns rather than discontinuous ones.

Closure

we fill in gaps to create a complete, whole object.

Depth Perception

the ability to see objects in three dimensions, although the images that strike the retina are two dimensional; allows us to judge distance.

Binocular Cues

Binocular cues: a depth cue, such as retinal disparity, that depends on the use of two eyes.


Retinal Disparity


Convergence (from lecture)

Retinal Disparity

a binocular cue for perceiving depth. By comparing images from the two eyes, the brain computes distance - the greater the disparity (difference) between the two images the closer the object

Convergence (from lecture)

the eyes move towards each other to perceive depth.

Monocular Cues

Monocular Cues: a depth cue, such as interposition or linear perspective available to either eye alone.


Linear Perspective


Interposition

Linear Perspective

parallel lines appear to meet in the distance and give the illusion of distance.

Interposition

when an object is blocked by another object we perceive the object blocking the other object as closer

Learning

the process of acquiring, through experience, new and relatively enduring information or behaviors.

Associative Learning

learning that certain events occur together. The events may be two stimuli (as in classical conditioning) or a response and its consequences (as in operant conditioning)

Ivan Pavlov

Pavlov classically conditioned his dogs to salvate to the sound of a bell

NS, UR, US, CR, CS

(NS) Neutral stimulus: stimulus that evokes no response before conditioning


(UR) unconditioned response: an unlearned naturally occurring response


(US) Unconditioned stimulus: a stimulus that unconditionally, naturally and automatically triggers a response


(CR) Conditioned response: a learned response to a previously neutral (but now conditioned) stimulus.


(CS) Conditioned Stimulus: an originally irrelevant stimulus that after association with an unconditioned stimulus comes to trigger a conditioned response.

John B. Watson (Little Albert)

Watson and Rayner learned that fears can be learned by an experiment with "little Albert" who they let hold a little white rat and then caused a large frightening noise to startle him. Then they learned that this fear was generalized to other white fluffy things.

Acquisition

the initial stage when we link a neutral stimulus and an unconditioned stimulus so that the neutral stimulus begins triggering the conditioned response.

Extinction

the weakening of a conditioned response when an unconditioned stimulus does not follow a conditioned stimulus

Spontaneous Recovery

the reappearance, after a pause, of an extinguished conditioned response

Stimulus Generalization

the tendency, after conditioning, to respond similarly to stimuli that resemble the conditioned stimuli

Stimulus Discrimination

the learned ability to distinguish between a conditioned stimulus and other irrelevant stimuli

Classical Conditioning Applied (lecture)

Therapy: Systematic Desensitization


Advertising: training people to respond to product as stimuli associated with something naturally appealing

B.F. Skinner

conducted experiments with animals in boxes

Positive and Negative Reinforcement

Positive: increases behaviors by presenting positive stimuli, such as food. A positive reinforcer is anything that when presented after a response strengthens the response.


Negative: increases behaviors by stopping or reducing negative stimuli such as a shock. A negative reinforcer is anything that when removed after a response, strengthens the response.

Positive and Negative Punishment

Positive: give something that is undesired


Negitive: take something that is desired

Shaping

an operant conditioning procedure in which reinforcers guide actions closer and closer toward a desired behavior

Primary and Conditioned (secondary) Reinforcers

Primary: an event that is innately reinforcing. often by satisfying a biological need


Conditioned (secondary): an event that gains its reinforcing power through its link with a primary reinforcer

Reinforcement Schedules

Reinforcement schedules: a pattern that defines how often a desired response will be reinforced


Continuous: reinforcing a desired response every time it occurs


Partial Schedules: reinforcing a response only part of the time results in slower acquisition but is much more resistant to extinction


Variable-Ratio Schedules: a reinforcement schedule that reinforces a response after an unpredictable of responses


fixed-interval schedule: a reinforcement schedule that reinforces a response only after a specified time has elapsed


variable-interval schedule: a reinforcement schedule that reinforces a response at unpredictable time intervals

Contrasting Classical and Operant Conditioning

Classical: a type of learning in which we learn to link two or more stimuli and anticipate events


Operant: a type of learning in which behavior is strengthened if followed by a reinforcer or diminished if followed by a punisher

Cognitive Learning

the thoughts and processes that occur in the mind that help the learning process

Latent Learning (Tolman and Honzik)

learning that is not apparent until there is an incentive to demonstrate it

Observational learning

learning by observing others

Albert Bandura and Bobo Doll Studies

children watch an adult beat up a bobo doll and then are moved to another room with less toys and they take their frustrations on the bobo doll like the adult did

Modeling

the process of observing and imitating a specific behavior

Mirror Neurons

neuron that fires when we perform certain actions and when we observe others performing those actions: neural basis for imitation and observational learning

Memory

the persistence of learning over time through the encoding storage and retrieval of information

Information-Processing Model (Atkinson & Shiffrin)

Sensory memory- Short Term Memory – Long-Term Memory

Sensory memory

the immediate, very brief recording of sensory information in the memory system

(short term ) Working memory

activated memory that holds a few items briefly before the information is stored or forgotten

Capacity

Magic number seven 7 plus or minus 2

“Chunks”

organizing items into familiar manageable units; often occurs automatically

Mnemonics

memory aids especially techniques that use vivid imagery and organizational devices

(long term) Automatic Processing

unconscious encoding of everyday information, such as space, time, and frequency, and of well-learned information, such as word meanings

Three Stages of Remembering

EncodingStorageRetrieval

Encoding

the process of getting information into the memory system

Storage

the process of retaining encoded information over time

Retrieval

the process of getting information out of memory storage

Serial Position Curve

our tendency to recall best the last and first items in a list

Primacy and Recency Effect (lecture)

things that are more important to us or have happened more recently are more likely to be remembered

Important brain parts for memory

Hippocampus and frontal lobes, Cerebellum and basal gangliaAmygdala
Hippocampus and frontal lobes

helps process explicit memories for storage

Cerebellum and basal ganglia Amygdala
Cerebellum and basal ganglia: implicit memory formation

Amygdala: emotion related memory formation

Long-Term Potentiation (LTP)

an increase in a synapse's firing potential. Believed to be a neural basis for learning and memory.

Explicit (declarative) Memory

Semantic Memory (facts and general knowledge)Episodic Memory (personally experienced events)

Implicit (nondeclarative) Memory

retaining learned skills or classically conditioned associations without conscious awareness


(Motor and cognitive skills, Classical conditioning ,Priming)

Priming

setting up the mind to remember something

Context and State dependent memory

context: where you are and the environment around you can affect your memory


State: how you're feeling can affect your memory

Proactive and Retroactive Interference

proactive: the disruptive effect of prior learning on the recall of new information


retroactive: the disruptive effect of new learning on the recall of old information

Misinformation Effect

when a memory has been corrupted by misleading information

Concepts

a mental grouping of similar objects events ideas and people

Prototypes

a mental image or best example of a category. Matching new items to a prototype provides a quick and easy method for sorting items into categories

Algorithms

a methodical, ligical rule or procedure that guarantees you will solve a particular problem contrasts with the usually speedier but also error prone use of heuristics

Insight

a sudden realization of the solution to a problem it contrasts with strategy based solutions

Heuristics

a simple thinking strategy that often allows you to make judgements and solve problems efficiently usually speedier but also more error prone than algorithms


Representative Heuristic (lecture): the idea of categories and then placing certain representations into categories


Availability Heuristic: the more frequently it comes up in your mind, the more true you think it is

Impediments to problem solving

Fixation : the inability to see a problem from a new perspective


Overconfidence: the tendency to be more confident than correct to overestimate the accuracy of our beliefs and judgments


Confirmation Bias: a tendency to search for information that supports our preconceptions and to ignore or distort evidence that contradicts them

Intuition

an effortless, immediate, automatic feeling or thought as contrasted with explicit conscious reasoning

Creativity

the ability to produce new and valuable ideas

Convergent and Divergent Thinking

convergent thinking: narrows the available problem solutions to determine the single best solution


divergent thinking: expands the number of possible problem solutions

Receptive language

infant ability understand what is said to them around 4 months

Productive language

Infant ability to produce words

Critical (sensitive) Period

the most valuable time for a person to learn a language ( early childhood)

Noam Chomsky and universal grammar

humans are born with a built in readiness to learn grammar rules

Broca’s area

controls language expression an area of the frontal lobe, usually in the left hemisphere that directs the muscle movements involved in speech

Wernicke’s area

controls language reception a brain area involved in language comprehension and expression; usually in the left temporal lobe

Charles Spearman’s “g”

general intelligence (g): underlies specific mental abilities and therefore measured by every task on an intelligence test

Howard Gardner’s Multiple Intelligences

Linguistic: public speaking and words


Logical-mathmatical: maths and sciences


Musical: good with music


Spatial: artistic


Bodily kinesthetic: good at movement


Intrapersonal: good at understanding others


Interpersonal: good at understanding self


Nuturalistic: good with out doors stuff

Robert Sternberg’s Three Intelligences

analytical, creative, practical

Emotional Intelligence

perceiving, understanding, managing, and usingemotions

Binet and Simon in France

they theorized that a 'dull' child would score the same as a younger child


and a bright child would score the same as an older child


IQ= mental age / chronological age X 100

MA/CA X 100

IQ= mental age / chronological age X 100

Intelligence Quotient

defined originally as the ratio of mental age to chronological age multiplied by 100 on contemporary intelligence tests the average performance for a given age is assigned a score of 100

Genes and intelligence: Twins and Adoption studies

identical twins are more likely to share similar IQ scores thus genes have a hand in intelligence

Environment and IQ

environments matter to IQ scores

Intelligence across the lifespan

intelligence remains stable through out the lifespan

Cross-sectional vs. Longitudinal studies

Cross-sectional: compare people or different ages with one another


Longitudinal studies: restudy and retest the same people over a long period of time

Crystallized vs. Fluid Intelligence

crystallized: our accumulated knowledge and verbal skills: tend to increase with age


Fluid: our ability to reason speedily and abstractly; tends to decrease in late adulthood

Group Differences in IQ

intelligence varies for different genders and races



Gender similarities and differences

Similar in 'g'


Spatial/verbal differences: girls tend to outpace boys in spelling, and verbal fluency

Stereotype Threat

a self confirming concern that we will be judged on a negative stereotype