Module 3: Cognitive Neuroscience Flashcards
what is one of the largest and most complex organs in the human body?
brain
a brain is made up of ______ nerves that communicate in ______ of connections called _____
100 billion, trillions, synapses
what are the 4 specialized areas that work together in the brain?
cortex, brain stem, basal ganglia, cerebellum
this is the outermost layer of brain cells; thinking and voluntary movements
cortex
is in between spinal cord and the rest of the brain; breathing and sleeping
brain stem
cluster of structures in the center of the brain; messages
basal ganglia
is at the base and the back of the brain; coordination and balance
cerebellum
what are the 4 lobes?
frontal, parietal, temporal, occipital
what lobe is responsible for problem solving, judgment, and motor function?
frontal lobe
what lobe manages sensation, handwriting, and body position?
parietal lobe
what lobe is involved with memory and hearing?
temporal lobe
what lobe contains the brain’s visual processing system?
occipital lobes
a layer of tissue
meninges
what protects the brain form injury?
skull (cranium)
what is the study of the physiological basis of cognition?
cognitive neuroscience
what is the subfield of neuroscience that studies the biological processes that underlie human cognition, especially regarding the relation between brain structures, activity, and cognitive functions?
cognitive neuroscience
the purpose of this is to determine the brain functions and achieves performance
cognitive neuroscience
what is considered a branch of BOTH psychology and neuroscience?
cognitive neuroscience
what is a neurotransmitter associated with feelings of satisfaction, brain function, and decision making?
dopamine
what plays a role in how we feel pleasure?
dopamine
it refers to the idea that a topic can be studied in a number of different ways, from multiple angles and different points of view
level of analysis
what is the basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, etc?
neurons
this contains the nucleus and cytoplasm that keeps the cell alive
cell body
this extends from the cell body and often gives rise to many smaller branches, which receives info from other neurons
axon
what are tube filled with fluid that transmits electrical signal to other neurons?
dendrites
what is the stained tissue anatomists identified in the early conceptions of neurons last 19th century?
nerve net
This allows for almost nonstop, continuous communication of signals throughout the network
nerve net
who founded neuron doctrine?
Ramon y Cajal
what is the individual nerve cells that transmit signals and are not continuously linked with other cells?
neuron doctrine
who recorded electrical signals from single sensory neurons which was awarded a Nobel Prize in 1932?
edgar adrian
what are small shafts of hollow glass filled with conductive salt solution that can pick up electrical signals
microelectrodes
what are the 2 electrodes?
recording and reference electrode
value that stays the same as long as there are no signals in the neuron
resting potential
what passes through the electrode
nerve impulse
from positive to negative to resting potential
action potential
everything a person experiences is based on _______- in the person’s nervous system
representations
neurons that respond best to a specific stimulus
feature detectors
the structure of the brain changes with experience
experience-dependency plasticity
When we perceive different objects, we do so in a specific order that moves from lower to higher areas of the brain
hierarchical processing
what is the problem of neural representation for the senses?
problem of sensory coding
this refers to how neurons represent various characteristics of the environment
sensory code
what sensory coding shows representation of a stimulus by firing of specifically tuned neurons specialized to respond only to a specific stimulus?
specificity coding
what sensory coding shows representation of a stimulus by the pattern of firing large number of neurons?
population coding
what sensory coding shows representation of a stimulus by a pattern of firing only a small group of neurons?
sparse coding
what declines in specific ways when certain areas of the brain are damaged?
cognitive functioning
this contains mechanisms responsible for most cognitive functions
cerebral cortex
this measures neural activity by identifying highly oxygenated hemoglobin molecules
functional magnetic resonance imaging (fMRI)
this responds to faces
fusiform face area (FFA)
inability to recognize face
prosopagnosia
this responds specifically to places
parahippocampal place area (PPA)
this responds specifically to pictures of bodies and parts of bodies
extrastriate body area (EBA)
what are the interconnected areas of the brain that communicate with each other?
neural networks
what is the structural description of the network elements and connections forming the human brain?
connectome
vision; visual perception
visual
movement and touch
somato-motor
attention to visual stimuli and spatial locations
dorsal attention
higher-level cognitive tasks involved in working memory
executive control
attending to survival-relevant events
salience
Mind wandering, and cognitive activity related to personal life-story, social functions, and monitoring internal emotional states
default mode