Psych/Soc Flashcards
_______________
- smallest magnitude of a stimulus identifiable 50% of the time
Sensory threshold
_______________
- Smallest noticeable change in baseline stimulus
Just noticeable difference (jnd)
_______________ law
- The just noticeable difference between a baseline stimulus level & a new level varies in proportion to the baseline stimulus
- Turning a low sound up 1 db is more noticeable than turning a loud sound up 1db
Webers law
_______________ theory
- competing stimuli interfere with the ability to identify the presence or absence of a target stimulus
Signal detection theory
_______________
- under continued or extreme stimulation, sensory receptors undergo physiological changes that affect the degree of sensitivity
Sensory adaptation
_______________ theory
- brain processes sense input in multiple ways at 1 time
Parallel processing theory
_______________ system
- complex system integrating many bodily sensations (temperature, touch, proprioception, pain)
Somatosensory system
_______________
- awareness of body position
Proprioception
_______________
- identifies body positioning & movement
Kinesthetic sense
_______________
- responsible for balance & orientation
Vestibular system
_______________
- registered through chemoreceptors & taste buds
Taste
_______________
- registered through chemoreceptors & olfactory cells
Smell
_______________
- excreted chemical compounds that elicit a specific response (species specific)
-EX: mark territories, signal food trails, warn of danger, indicate sexual receptivity, & increase maternal bond
Pheromones
_______________
- interpretation of the information received from senses
Perception
_______________
- allows perception of an object in a consistent way
Perceptual constancy
_______________
- ability to determine how far away an object is
Depth perception
_______________
- allows perception of visual outlines as constituting an object regardless of changes in size, shape, & environment
Form constancy
_______________
- visual cues & vestibular senses determine if an object is moving
Motion
_____________ principles
- The brain organizes small bits of information into larger patterns
Gestalt principles
_______________ processing
- using small bits of information to develop a larger picture
Bottom-up processing
_______________ processing
- incorporating experience, knowledge, & expectations to interpret lower-level bits of information
Top-down processing
_______________
- a state of focused awareness on a given set of stimuli
Attention
_____________ attention
- The process of filtering out extraneous stimuli to direct attention onto the object of interest
Selective attention
_____________ attention
- placing attention onto more than 1 objects simultaneously such that the attention to each object is diminished
Divided attention
_______________
- the ability to take in, process, store, & retrieve information
- development has predictable childhood & adolescent stages
Cognition
_______________ theory
- stages of cognitive development
Sensorimotor
Preoperational
Concrete operational
Formal operational
Piaget’s theory
____________ vs. ____________
- both act on a child’s cognitive development
Environment
Heredity
Cognitive changes in _______________
- diminished ability to process information (verbal meaning, spatial orientation, inductive reasoning, number ability, word fluency, short-term & long-term memory)
Late adulthood
_____________effects cognitive development
- cognitive development occurs in a cultural context (influences development, problem-solving abilities, & values)
Culture
_______________
- The mental processes involved in identifying, analyzing, & resolving problems
Problem solving
_______________
- applies learned strategies & intuitive insights to a current problem
Trial & Error
_______________
- uses specific steps that consistently lead to success
Algorithm
_______________
- a highly simplified general rule of thumb
- effective if used correctly
- ineffective if overgeneralized
Heuristic
__________________ theory
- problem solving encompasses current state of affairs, desired state of affairs, & all possible options in between
Problem space theory
_______________
- behaviors that were successful in the past are likely to be repeated even if unsuccessful in a current situation
Law of effect
__________ to effective problem solving
- valid strategy applied incorrectly, ineffective strategy, inefficiency, false assumptions, irrelevant information, absence of rational thought, & functional fixedness
Barriers
_______________
- automatic preferences for a specific action
- often unconscious
- may block rational thoughts
Biases
__________ & ______ can override logic and rational thought processes
Intuition & Emotion
____________ & __________ can result in refusal to abandon a belief in the face of evidence against it
Overconfidence & belief perseverance
_______________
- measurable state of awareness of environment
Alertness
_______________
- reduced sensory perception & muscle tension
- contains stages & cycles
- dreaming
Sleep
Stages ________ are non-REM sleep
Stages ________ is REM sleep
1-4
5
Sleep cycles are stages 1-5 with the 1st cycle being 70-100 mins while subsequent cycles become __________
Longer
True or false
Dreaming occur most often during REM sleep while dreaming in non-REM is mostly forgotten
True
_______________
- alertness, physically still, & open to sensing stimuli
- multiple benefits
Meditation
_______________
- reduced state of consciousness with increased focus is attention & increased susceptibility to suggestion
- multiple therapeutic applications
Hypnosis
_______________
- biological regulation occurring in 24hr cycles
- influenced by environments & behavior
Circadian rhythms
_______________
- ability to learn, be flexible in, & adapt to new situations
- capacity for abstract thinking
Intelligence
__________ & __________ can both influence intelligence
Heredity & Environment
_______________
- genetic markers in 3 chromosomes
- twin studies & adoption studies document influence of heredity
Heredity
_______________
- influences are family of origin, education, economics, race, gender, & academic enrichment
- high-quality communication from 0-3yrs & early education programs also have an impact
Environment
IQ score of 70 or lower = ______________
IQ score of 130 or greater = _____________
Intellectual disability or intellectual development disorder
Gifted
_______________
- encoding & storage of information to be retrieved later
Memory
_______________
- process by which sensory information is converted into stored memory
Encoding
_______________
- includes sensory memory, short-term memory, working memory, & long-term memory
- semantic network (web of interrelated facts) or spreading activation (retrieval enhanced with contextual information)
Storage
Retrieval can be from ____________ or ____________
Short term or Long term
Types of retrieval include __________, __________, & __________ (retrieval cues enhance ability to access a memory)
Recall
Recognition
Relearning
_______________
- pathological memory loss that disrupts functioning
Memory dysfunction
Aging & Memory
- forgetfulness especially after age ______
- deficiencies in processing new memories, in binding information in memory, & in retrieval associations
65 years
True or false
Procedural & emotionally imprinted memory & semantic knowledge are not affected with aging memory loss
True
_______________
- disruption in brain’s ability to transmit information
- development of plaques & tangles
- personality changes, cognitive losses, & communication losses
- executive, short-term, & long-term memory affected
Alzheimer’s disease
_______________
- memory loss from Thiamine deficiency
- primarily due to alcohol abuse
- severe morning sickness, dialysis
- difficulty learning (memory gaps)
Korsakoff’s syndrome
_______________
- brains flexibility for learning & relearning (throughout life)
Neural plasticity
__________ is the storage of memory
__________ involves creation of new neural pathways
Learning
Memory
____________________
- new neural pathways become stronger the more they are used which produces an increased potential for pathway to be activated again
Long term potentiation
_______________
- nonpathological memory loss over time
Decay
_______________
- old & new memories interfere with storage and/or retrieval
Interference
_______________
- mind fills in details of a memory (unconscious)
Memory construction
_______________
- the mind tries to identify the source of a memory
Source monitoring error
(a source monitoring error occurs when the mind does so incorrectly)
__________ theory
- language is learned through observation & imitation, direct instruction, and conditioning
Learning theory
_______________ theory
- humans are born with a language acquisition device (LAD) that accounts for the order in which children learn structure, the mistakes they make, & the ability to generalize grammar rapidly from limited input
Nativist perspective theory
_______________ theory
- language development is biological & social and influenced by desire to communicate
- children are born with a brain that has the inherent ability to learn language
- children learn language socially by conversation with older people
Interactionist theory
True or False
Language structure influences world view & perceptions of interactions with others
True
Brain areas that control language & speech
- __________ processes language information
- __________ is located in the left temporal lobe & enables understanding of spoken words (produces written & spoken language)
- __________ is located in the left frontal lobe & directs muscle movement necessary for producing speech
- __________ processes written language
Left Hemisphere
Wernicke’s area
Broca’s area
Angular gyrus
Drug type : ______________
- increase energy & alertness
- affect release & reuptake of dopamine-amphetamines, cocaine, Ritalin, caffience, nicotine
Stimulants
Drug type : ______________
- relaxation, reduce anxiety, & sleep aid
- memory & judgment impaired
- increase GABA’s ability to attach to receptor
- Alcohol & Benzodiazepines
Depressants
Drug type : ______________
- activate endorphin synapses
- morphine, heroin, & opiates
Narcotics
Drug type : ______________
- operate on nervous system
- hallucinations, delusions, anxiety, & agitation
- PCP, LSD, MDMA
Hallucinogens
Drug type : ______________
- negative feedback receptors of excitatory, inhibitory neurotransmitters
Cannabis
Prenatal physiological development: 3 trimesters
- 1st trimester : ___________________________
- 2nd trimester : __________________________
- 3rd trimester : __________________________
1st trimester : cells differentiate & organs develop
2nd trimester : bones & skeleton form, sexual organs visible, hair grows, & fingerprints form
3rd trimester : fetal development toward becoming viable outside the womb
_______________
- Freud
- personality determined by interactions between ID (primal drives), ego (moderates ID & superego), & superego (ethical values)
Psychoanalytic
_______________
- people have freedom of choice
- subjective world view influences personality development & behavior
Carl Rogers & Abraham Maslow
Humanistic
_______________
- personality features can be identified, measured, & placed on a continuum (openness, conscientiousness, extraversion, agreeableness, neuroticism)
Trait
_______________
- we learn by observing the behavior of others
- Bandura
Social cognitive
_______________
- impact of brain chemistry on personality
- Eysenck, Gray, & Cloninger
Biological
_______________
- interactions between person & environment
- a person’s thoughts & feelings do not influence personality development
- Skinner, Pavlov, & Watson
Behaviorist
_______________
- impairment in behavior, thinking, & mood caused by psychological symptoms
- significantly impacts functioning areas of life
Psychological disorder
___________ model
- psychological disorder is an illness to be cured
- Treatment focuses on biology, physiology, & genetics of the illness
Biomedical model
_______________ model
- biological, psychological, & social factors contribute to disorder
- risk & resiliency factors incorporated into treatment
- treats person in context of environment, psychological, social, biological factors
- emphasizes change to entire system
Biopsychosocial model
Types of psychological disorders are categorized based on the ________
DSM-5
“diagnostic & statistical manual for mental disorders - 5th edition”
DSM-5 major categories
__________
__________
__________
__________
__________
__________
__________
__________
__________
Anxiety
Trauma
Obsessive compulsive
Somatic symptoms
Depression
Bipolar
Schizophrenia
Dissociative
Personality disorders
_______________ bases
- biology influences development of schizophrenia, depression, Alzheimer’s disease, & Parkinson’s disease
Biological bases
Emotions include __________, __________ & __________
physiological
behavioral
cognitive
Universal Emotions (7) :
Fear
Anger
Happiness
Surprise
Joy
Disgust
Sadness
Biological components of emotion:
- __________ regulates emotion & is key role in long-term memory formation
- _________ exerts higher-level emotional control & is responsible for delayed gratification and assessing consequences of behaviors
- _________ triggers sympathetic nervous system flight-or-fight response
Limbic system
Prefrontal cortex
Amygdala
The adaptive role of emotion has evolved through ____________ & plays a role in mate selection and response to fearful situations
natural selection
_______________ theory
- in response to a stimulus where physiological changes occur before emotional changes
James-Lange theory
_______________ theory
- emotion primarily experienced in the thalamic region of the brain
- physiologic response occurs either simultaneously or secondarily
- emotion response is not a direct result of physical response
Canon-Bard theory
_______________ theory
- 2 factor theory
- physiological stimulation plays a crucial role in emotion
- the emotional response is triggered by perception of & interpretation of physical reaction to an event
Schlatter-Singer theory
Factors that influence motivation are __________, __________, & __________
instinct
arousal
needs/drives
_______________
- unconscious innate biological behaviors that are genetically programmed
Instinct
_______________
- degree of physical & mental responsiveness to environment
arousal
_______________
- urge to reduce discomfort caused by unmet physiological need
needs/drive
_______________ theory
- organism strive to maintain homeostasis
- a type of theory of motivation
Drive reduction theory
_______________ theory
- motivated by expectations of external reward
- a type of theory of motivation
Incentive theory
_______________ theory
- motivated to satisfy most-pressing needs
- physiological (food or shelter), higher order needs (esteem or love)
- a type of theory of motivation
Need-based theory
______________ theory
- motivated by thoughts, beliefs, & values
- a type of theory of motivation
Cognitive theory
True or false
The application of the motivation theories are for treating compulsive behaviors (substance abuse, eating disorders, & sexual compulsions)
True
_______________
- favorable or unfavorable appraisal of another person, group, event, or object
- expressed through behavior, emotions, & beliefs
Attitude
The 3 components of attitude are __________, __________, & __________
cognitive (beliefs & ideas)
affective (emotion)
behavioral
There is a link between __________ & __________ because strong attitudes are more likely to lead to action & certain behaviors influence attitudes and lead to new behaviors (marketing techniques utilize)
attitude & behavior
_______________
- attitudes in conflict cause discomfort
- discomfort is resolved by changing attitudes or behavior or by ignoring one of the conflicting attitudes
Cognitive dissonance