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A relatively permanent chaneg in behavior due to experience |
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occurs when we form associations or connections among stimuli and/or behavior |
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- Reflex: inevitable, involuntary response to stimuli
- Instinct: an inborn pattern of behavior elicited by environmental stimuli. Also known as a fixed action pattern.
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Requires: association (one stimuli must predict another) and contiguity (Conditioned stimulus and Unconditioned Stimulus must appear close together in time)
Procedures: based on ordering and timing of events, temporal contiguity, and order of presentation of the UCS and CS |
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- Acquisition: the development of a conditioned response
- Extinction: the association between the conditioned stimulus and the unconditioned stimulus is broken
- Spontaneous Recovery: the reappearance of conditioned responses following periods of rest between sessions of extinction training
- Generalization: one a condtitioned response is successfully acquired, tendency to respond to stimuli that are similar to the conditioned stimulus.
- Discrimination: counteracting our tendency to generalize
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associating a particular sensory cue with getting sick |
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- Simultaneous Conditioning: when the UCS and the CS are presented at the same time. (almost completely ineffective in proceduring conditioned anticipatory behavior)
- Backward Conditioning: the CS follows after the UCS (arely produces observable response) ex. dog knows that bell signifies it will no longer get meat
- Trace Conditioning: the CS stops well before the UCS is present
- Delay Conditioning: the CS is present during the entire CS-UCS interval
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Habituation and Sensitization |
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- Habituation: reduces our reactions to repeated experiences that have already been evaluated and found to be unchanging and harmless.
- Sensitization: increases our reactions to a wide range of stimuli following exposure to one strong stimulus.
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a conditioned stimulus predicts the nonoccurrence of an unconditioned stimulus. |
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3 steps to systematic desensitization |
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- Learn to relax
- Make an anxiety hierarchy
- Imagine and relax (counter conditioning)
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reduce fear response by exposing the subject to the fear inducing stimuli, in a safe manner, until the stimuli no longer produces the fear response |
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- Association between behavior and consequences
- organism acts on environment
- behavior is instrumental
- best with voluntary behaviors
- In 1911, Edward Thorndike developed this behaviorist explanation of learning
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- any consequence that reduces the frequency of an associated behavior.
- Positive: applying to aversive consequence that reduces the frequency of or eliminates a behavior.
- Negative: the removal of something desirable
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- any consequence that increase the likelihood that a behavior will occur again. (does not have to be pleasant)
- Positive: presentation of a stimulus that increases the probability that the behavior will occur again
- Negative: removal of aversive stimulus increase the likelihoos that the preceding response will occur again....increase behavior
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Primary Vs Secondary Reinforcers |
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- Primary: stimulus that is innately satisfying and requires no learning to become pleasurable ex. sex, water, food
- Secondary: stimulus that has acquired its reinforcing power through experience ex. coupons, money, grades
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Partial reinforcement effect in extinction |
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extinction occurs more rapidly following continuous reinforcement than following partial schedules
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Schedules of Reinforcement |
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- Fixed Ratio: a behavior occur a set number of times for each reinforcer
- Variable Ratio: involve counting the number of times a behavior occurs
- Fixed Interval: the time that must pass before reinforcement becomes available following a single response is set at a certain amount.
- Variable Interval: characterized by an interval that is allowed to fluctuate around some average amount over the course of a session.
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Thorndike's Law of Effect |
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Behaviors followed by positive consequences are strengthened while behaviors followed by negative consequences are weakened |
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states taht the opportunity to engage in preferred behavior will be a reinforcer for any less- preferred behavior |
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The Disequillibrium Principle |
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- each person has a preferred pattern of time use
- after disrupting that routine, a return to one's usual pattern is reinforcing
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- studied observational behavior (imitation, attention, memory, motivation)
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- while a living being may learn something until they have an incentive they may not display that learning.
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begins with attention, sensation, perception, and learning, and progresses to the use of stored information in thinking, problem solving, language, and intelligent behavior. Information flows in both directions along this continuum, leading to the bottom-up and top-down processing. |
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- Encoding: acquiring information and transferring it into memory
- Storage: the retention of information
- Retrieval: the recovery of stored information
- Rehearsal: repeating info over and over again
- Levels of Processing: the depth of processing applied to info that predicts its ease of retrieval
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- Declarative: easy to "declare" or discuss verbally (explicit)
- Procedural: An implicit memory for how to carry out skilled movement
- Nondeclarative: unconsciously and effortlessly retrieved memories that are difficult to verbalize (implicit)
- Episodic: a memory from a personal experience
- Semantic: a general knowledge memory
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Sensory: The first stage of the Atkinson-Shiffrin model that holds large amounts of incoming data for very brief amounts of time
Short Term- the second stage of the Atkinson-Shiffrin model that holds a small amount of info for a limited time
Long Term- the final stage of the Atkinson-Shiffrin model that is the location of permanent memories
Working- an extension of the concept of short-term that includes the active manipulation of multiple types of info simultaneously |
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Memories incorporate unique combinations of information when encoded |
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Set of explanations about objects and situations |
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Chunking, priming, and mnemonics |
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- Chunking: the process of grouping similar or meaningful info together
- Priming: a change in a response to a stimulus as a result of exposure to a previous stimulus
- Mnemonics: memory aids that link new info to well-known info
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Spreading activation model |
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A connectionist theory proposing that people organize general knowledge based on their individual experiences |
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- competition between newer(proactive) and older(retroactive) information in memory
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Reduction in ability to retrieve rarely used information over time |
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An especially vivid and detailed memory of an emotional event. ex. 911 terrorist attacks |
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Semantic or episodic memories that reference the self. Seen either through vivid, detailed flashback or a highlight reel. ex. early years of childhood |
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Recovered Memorues- memories long lost recovered during therapy |
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- a severe loss or deterioration of memory
- Anterograde: could not retain new memories
- Retrograde: few weeks before brain damage are lost
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- can be demostrated by applying a series of electrical pulses and observing the increased reactions of cells receiving input compared to their previous baseline.
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