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perception
the ability to see, hear, or become aware of something through the senses
bottom up processing
a reliance on external sensory information without using prior knowledge
top down processing
internal prior expectations that utilize previous knowledge
schema
a mental structure that helps organize and interpret information
perceptual set
a persons tendency to notice and interpret specific elements of sensory input while disregarding others, shaped by schemas
gestalt psychology
a movement in psychology that seeks to explain perceptions in terms of gestalts(an organized whole that is perceived as more than the sum of its parts) rather than by analyzing their components
closure
the tendency to perceive a complete image even when there are gaps in the information presented
figure and ground
the way our visual system separates an image into a foreground element (the figure) and a background element (the ground)
proximity
the principle that objects that are close together are perceived as being part of the same group, more than objects which are farther apart
similarity
elements perceived as similar are grouped together in the mind, even if they are not physically close
attention
an interaction of sensation and perception that is affected by internal and external processes
cocktail party effect
people listen to mentions of their names or specific topics in loud or distracting environments
change blindness
occurs when changes to the environment are not perceived due to inattention
binocular depth cues
utilizes images from each eye to provide perception of death
retinal disparity
the difference between the images projecting onto the retina
ex. looking at your finger with one eye at a time, it appears to be moving because of retinal disparity
convergence
the merging of retinal images by the brain
monocular depth cues
give the illusion of depth on flat or 2d surfaces by only using one eye
relative clarity
the principle that closer objects appear sharper and more detailed than distant objects, which tend to appear hazier or less distinct
relative size
refers to how the perceived size of an object varies based on its proximity to other objects or its distance from the viewer
texture gradient
a visual cue that helps us perceive depth by showing a gradual change in texture as objects recede into the distance
linear perspective
a monocular depth cue where parallel lines appear to converge as they recede into the distance
interposition
where one object is partially obscured by another, causing the partially obscured object to be perceived as further away
visual perceptual constancies
maintain the perception of an object even when the images of the object in the visual field change
apparently movement
visually perceived movement even when objects are not actually moving
concept
form the basis of thought
prototype
the ideal example for any given concept
assimilation
taking in new information but not changing the schema in light of it
accommodation
taking in new information and changing the schema to incorporate the new info
algorithm
addresses problems by attempting all possible solutions until the correct one is found
heuristic
addresses problems by using mental shortcuts to make judgements
representativeness heuristic
decisions are made according to prior expectations or stereotypes
availability heuristic
decisions made by recalling the first or most vivid example that comes to mind
mental set
a psychological tendency or frame of mind that influences how we approach and solve problems
priming
subtly activating mental associations or ideas, making them more accessible and likely to be used in subsequent judgments or decisions
framing
focuses on how information is presented, including the wording, perspective, and context, to shape perceptions and influence choices
gambler’s fallacy
the mistaken belief that future independent events (like coin flips or roulette spins) are influenced by past outcomes
sunk cost fallacy
a cognitive bias where people continue to invest in something (time, money, effort) even when it's clear that the investment is no longer worthwhile, all because of the resources already spent on it
executive functions
cognitive processes that allow individuals to generate, organize, plan, and carry out goal-directed behaviors and experience critical thinking
creativity
a way of thinking that includes generating novel ideas and engaging in divergent thinking
divergent thinking
a cognitive process focused on generating a wide range of ideas, options, and possibilities for a given problem or topic
convergent thinking
a cognitive process where you focus on finding a single, well-defined solution to a problem by applying established rules and logic
functional fixedness
a cognitive bias where people struggle to see objects being used in ways beyond their typical, familiar functions
explicit memory
a type of memory that refers to the conscious and intentional recollection of factual information, personal experiences, and concepts. its more easily described to others, includes episodic and semantic memory
implicit memory
memory where the unconscious or unintentional recollection of information, skills, or experiences that influence behavior without conscious recall. its more challenging to explain to others, including procedural memory
episodic memory
memory that involves recalling specific past events, including details like the who, what, where, and when of an event
semantic memory
memory that stores factual information, concepts, and the meaning of words
procedural memory
a type of long-term memory that stores how to perform specific actions or tasks
prospective memory
the ability to remember to perform a planned action at a future time or in a future context
long term potentiation
a process by which synaptic connections between neurons become stronger with frequent activation, a biological process for memory
working memory model
examines how working memory engages in a dynamic interaction with several components to process info into long term memory
central executive
a component of {Baddeley's working memory model}, serving as the central control system for working memory
phonological loop
a component of working memory that handles verbal information, specifically speech-based information, responsible for temporarily storing and rehearsing sounds for a short period
visuospatial sketchpad
a component of working memory responsible for temporarily storing and manipulating visual and spatial information
ex. playing tetris uses this by visualizing the placement of tetris blocks before they are placed
multi store model
proposes that information must be past through the three interacting memory systems of sensory, short term, and long term memory in order to be remembered. focuses on the impact of automatic and effortful processing on memory encoding, storage, and retrieval
sensory memory
the initial stage of memory where we briefly hold information from our senses before deciding what to attend to and pass on to short-term memory
iconic memory
a type of sensory memory that briefly stores visual information before it's either transferred to long-term memory or forgotten
echoic memory
a type of sensory memory that briefly stores auditory information, allowing you to recall sounds for a short period after they are heard
levels of processing model
proposes that memory is encoded on three levels from shallowest to deepest: structural, phenomic, and semantic
encoding
involves processes and strategies to get info into memory
mnemonic devices
processes that aid in encoding info into working and long term memory
method of loci
a mnemonic device that uses spatial memory to aid in memorizing information. It involves mentally associating items to be remembered with locations in a familiar environment
chunking
grouping info together into meaningful chunks to improve memory
the spacing effect
a process that can cause significant differences in encoding and memory consolidation depending on whether the info is encoded all at once or distributed over time
serial position effect
info presented at the beginning of a list or the end of the list will be more memorable than info in the middle of the list
primacy effect
a psychological phenomenon where individuals tend to better remember information presented first in a list or sequence compared to information presented late
recency effect
a psychological phenomenon where people tend to remember information presented most recently better than information presented earlier
recall
remembering without cues
recognition
memory which relies on retrieval cues
context dependent memory
the phenomenon where recalling a memory is more effective when the environment or context during retrieval is similar to the one present when the memory was originally formed
mood congruent memory
the tendency to recall information better when it aligns with one's current mood
state dependent memory
the phenomenon where the ease of retrieving a memory is influenced by a person's internal state (e.g., mood, physiological state) at the time of encoding and retrieval
testing effect
a learning phenomenon where testing oneself on previously learned material significantly enhances long-term retention compared to simply rereading or reviewing the same content
metacognition
"thinking about thinking," encompassing the awareness and control of one's own cognitive processes
forgetting curve
illustrates how quickly learned information is lost over time unless it is actively retained
encoding failure
the inability to create a memory link because the information wasn't properly encoded into long-term memory in the first place
proactive interference
when older information interferes with the learning of new information
retroactive interference
when new information interferes with the recall of older information
tip of the tongue phenomenon
the frustrating experience of knowing a word or term but being unable to retrieve it from memory, even though you have a strong feeling that you know it
repression
a defense mechanism where the unconscious mind blocks distressing thoughts, impulses, feelings, or memories from conscious awareness. the psychodynamic approach theorizes that the ego can repress memories to minimize distress
misinformation effect
the phenomenon where exposure to misleading or false information after an event can distort a person's memory of that event
source amnesia
the inability to accurately remember the source of a piece of information, despite remembering the information itself
constructive memory
the process by which memories are actively built and reconstructed rather than simply stored and retrieved
memory consolidation
the process by which newly acquired information is transformed into a more stable and enduring form, ensuring its long-term storage in the brain
imagination inflation
the act of imagining an event can make it seem more real and likely to have occurred, even if it didn't
iq
test that divides mental age by chronological age
standardization
when a test is administered using consistent procedures and environments
validity
when a test measures what it is designed to measure
construct validity
the extent to which a test or measurement tool actually measures the theoretical construct or concept it's designed to assess
predictive validity
the extent to which a test or other measure accurately predicts future outcomes or behaviors
reliability
when a test yields similar results each time it is administered
test retest reliability
refers to the consistency of scores obtained when the same test is administered to the same individuals at two different time points
split half reliability
a method to assess the internal consistency of a test by dividing it into two halves and comparing the scores on each half
stereotype threat
a psychological phenomenon where an individual, belonging to a group stereotyped negatively, feels at risk of confirming that stereotype when they perform a task
stereotype lift
the phenomenon where a group's performance increases when they are told about a positive stereotype that pertains to them, or when they are not part of a negative stereotype
flynn effect
iq scores across most of the world have generally increased overtime due to societal factors
achievement test
an academic test that attempts to measure what someone knows
aptitude test
a test that predicts how someone will perform in the future
fixed mindset
the belief that abilities and intelligence are static, meaning they are innate and cannot be significantly changed through effort or learning
growth mindset
the belief that abilities and intelligence can be developed and improved through dedication, effort, and learning