1law of texture
we tend to group areas with similar texture qualities in order to differentiate objects
2ambiguous input
weak signals will likely be enough to trigger only a well-primed detector
3light and shadow
shading produces a sense of depth
4metacognition
awareness and understanding of one's own though process
5primary auditory cortex
auditory sensation
6law of common fate
we tend to group objects that appear to be moving in the same direction a the same speed
7what is the cerebellum's main function?
controls social skills and motor movements
8what are the four perceptual cosistancies?
shape, size, color, and brightness
9visual search tasks
tasks where participants examine a display and say whether a particular object is present
10parietal lobe
located at the top back of the brain, responsible for somatosensory information (touch, pressure, tempurature) and the body's orientation in space
11geon
basic shapes that can be configured into any three dimensional object
12bigram detectors
detects pairs of letters
13gestalt movement
the view that psychology should strive to study the whole
14perceptual set
we perceive sensory information certain ways because of our experiences
15contralateral cortical organization
left hemisphere controls right functions, right controls left functions
16switch-cost
the performance and time cost of rapidly switching between subjects
17classical conditioning
reflexes automatically produce an outcoem that is not learned
18what are the 2 parts of the limbic system?
amygdala and hippocampus
19primary visual cortex
processes visual sensations
20occipital lobe
located in the back of the brain, resposible for visual processing
21apraxia
organization of information
22What are the internal processes studied in Cog Psych?
input, storage, and transformation
23parallel processing
different brain areas working at the same time
24Kant's Trascendental Method
reason backwords from observations to determine the cause
25depth perception
ability to see the world in 3D and detect distance
26motion-specific detectors
cells detect the specific direction of motion that has been stimulated
27top-down perception
processing information based on prior knowledge and experiences
28growth mindset
the idea that skills are maleable and not fixed
29schema
the framework which humans fit their experiences within
30all or none law
an AP will always fire at the same magnitude
31attention bottleneck
the idea that we have a designated amount of attention and tasks compete for our attention
32tachistoscope
a device that presents stimuli for a precise amount of time
33cortex
outer surface of the forebrain
34which neuroimaging techniques are functional?
PET scan and fMRI
35commissure
thick bundle of fibers that carry info between hemispheres
36corpus collosum
largest commissure between the hemispheres
37relative size
smaller objects are farther away, bigger objects are closer
38empiricism
the belief that observation, experimentation, and evidence equal knowledge
39McClelland and Rumelhart Model
information flows bottom-up, top-down, and within the same levels
40what are the functions of the midbrain?
precise eye movement, regulating pain, and auditory information from ears to forebrain
41gestalt rule of perception (basic tenet)
the whole is more than the sum of its parts
42motion parallax
closer objects appear to move faster than distant objects when a viewer is in motion
43operant conditioning
using rewards/punishments to train voluntary behavior
44CT scan
fast, used primarily in medical settings, radiation
45primary sensory projection areas
arrival point for signals
46well-formedness
how closely a letter sequence conforms to the typical pattern of spelling in the language
47amygdala
emotional processing and threat detection
48PET scan
tracer fluid is watched to see where the majority of the energy (glucose) is going
49cell body
holds the nucleus and cellular machinery
50what training method in the monkey face study was the most successful?
individual training
51frontal lobe
located at the front of the brain, responsible for executive functions (planning, personality, and muscle movement)
52law of continuity
we tend to perceive lines and patterns as smooth, continuous paths rather than seperate lines
53fMRI
measures blood/oxygen levels
54frequency
detectors that are fired more frequently will have higher activation levels
55task-switching
rapidly switching between subjects (multitasking)
56transcranial magnetic simulation (TMS)
produces temporary lesions in order to study the effect of damage to small areas of the brain
57perception
selecting, organizing, and interpreting info from our senses
58cerebellum
largest section of the hindbrain
59axon
transmits signals to other neurons
60what are the 3 subcortical structures?
thalamus, limbic system, and hypothalamus
61inhibitory connections
the activation of one detector decreases the activation level of another
62somatosensory area
skin sensations
63what are the 4 association areas?
apraxia, agnosia, unilateral neglect syndrome, and aphasia
64lesions
specific damage to brain tissue
65law of simplicity (pragnanz)
we tend to perceive complex things in the most simple and concise ways
66introspection
observing and recording your own thoughts and experiences
67law of pragnanz
we organize information in the most simple, concise, and complete way as possible
68excitatory connections
connections that allow one detector to activate their neighbor
69texture gradient
objects that are closer appear in more detail, objects that are farther away apear smoother
70transduction
conservasion of raw energy into neural signals
71cones
color sensitive photoreceptor, cannot function in low light levels
72word superiority effect (WSE)
it's easier to perceive and recognize levels in context than if they appear in isolation
73binocular disparity
each eye views a slightly different angle of an object
74capgras syndrome
patient believes that their loved one has been swapped for an identical imposter
75apperceptive agnosia
can identify an object's features, but cannot correctly identify the whole object
76what are the levels of processing?
structural (shallow), phenomic (deeper), semantic (deepest)
77post stimulus mask
letters or symbols that are shown after stimuli to interrupt continued processing
78behaviorism
focuses on observing behavior and stimuli, not mental events
79observational study
study that observes the participant's behavior with little interfence
80fixed mindset
the idea that we have a set of skills that cannot be changed or improved with learning
81law of proximity
elements close to one another tend to be perceived as a unit
82agnosia
identifying common things
83temporal lobe
located by the temples, responsible for processing auditory information and language comprehension
84figure and ground
our perception seperates a figure from its background
85linear perspective
lines that appear to converge tend to make us perceive depth
86holistic recognition
recognizing an object/face in its entirety instead of focusing on the specific aspects
87unilateral neglect syndrome
one half of vision is completely ignored
88what is the EEG used to study?
broad rhythms (sleep stages) and event related potentials.
89local representation
a mode of representation in which information is encoded in a small number of identifiable nodes
90sensations
absorbing raw energy through our sensory organs
91self-report
participants are tasked with recording their answers
92sensory adaption
sensory receptors change their sensitivity to the stimulus
93recognition errors
the bias to recognize primed words can result in error
94monocular cues
depth cues available to either eye individually
95hippocampus
learning and memory
96height
objects that are higher are perceived to be farther, objects that are lower are perceived to be closer
97Dunning-Kruger Effect
the tendency for unskilled individuals to overestimate their own abilities
98law of similarity
we group things by similarity (shape) even if they're different colors or sizes
99priming
one input or cue prepares a person for an upcoming input or cue
100what is different in split-brain patients?
severed corpus collosum
101electroencephalogram (EEG)
recording of electrical communication within neurons
102Recognition by Components (RBC) model
applies the feature net model to recognition of 3D objects
103Fluency Trap
mistaking being familiar with a subject as mastery
104dendrites
receive signals from other neurons
105where is the hindbrain?
in the back of the brain at the top of the spinal cord
106lateralization
the brain is divided into roughly symmetrical left and right hemispheres
107between-subjects design
randomly assign participants to either group
108attention
concentration of mental energy to process incoming information
109what were the three training methods in the monkey face study?
category training, exposure training (control), and individual training
111hypothalamus
controls behavior that serve specific biological needs, like eating
112which neuroimaging techniques are structural?
MRI and CAT scans
113rationalism
the belief that intellectual and deductive reasoning equal knowledge
114thalamus
sensory relay station
115optic flow
pattern of apparent movement of objects across the retina as you move through a scene
116MRI
magnetic fieds, radio waves, high resolution
117distributed knowledge
knowledge is not locally respresented, feature nets contain distributed knowledge
118interposition
overlapping shows us what object is closer/farther
119repetition priming
we are more likely to recognize stimuli if it is repeated
120binocular convergence
eyes turn inwards as objects move closer to assist with judging distance
121recency
detectors that have fired recently will have higher activation levels
122efficiency vs accuracy
accuracy is sacrificed for efficiency
123case study
intense study of an indivual
124what are the parts of the feature net (bottom up)?
feature detectors, bigram detectors, letter detectors
125law of closure
we tend to fill in missing parts, even if the images are incomplete
126primary motor projection areas
departure point for signals
127associative agnosia
can see an object but cannot link that input to visual knowledge
128prosopagnosia
the inability to recognize familiar faces
129bottom-up perception
perception starting with raw data
130within-subjects design
participants are assigned to all tested groups
131rods
color-blind photoreceptors, sensitive to low light levels
132what is really happening to patients with capgras syndrome?
they lack the emotional processing when they see a loved one, so they have the memory but no emotional connection