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higher-order brain functions (cognition (frontal association area…
higher-order brain functions
cognition
frontal association area
integrate information from sense, motor, association
think and behave appropriately
personality
primary somatosensory area
identify stimuli on opposite site of body
temporal lobe
recognize meaning of sounds/words
clinical view
agnosia: inability to recognize/understand meaning of stimuli
language
region opposite Wernicke area in representational hemisphere: recognize emotional content of speech
region opposite motor speech area in representational hemisphere: responsible for producing speech with emotion
clinical view
dyslexia:
inherited learning disability
problems with single-word decoding
Alzheimer's disease
cognitive symptoms:
amnesia: short-term memory storage damaged
aphasia: expressive, receptive
apraxia: motor skill issue
agnosia: loss of sense
psychiatric symptoms:
personality changes
depression
hallucinations
delusion
memory
formation:
higher-order mental functions
complex interactions among brain regions
type
declarative (explicit):
hippocampus (factual) + amygdala (emotional context)
procedural (implicit):
premotor area + cerebellum
working:
frontal lobe
important association based on sensory input
short-term (STM):
from working memory
limitied capacity, brief duration
long-term (LTM):
repeated short-term memory -- consolidation/encoding
via long term potentiation + increase synaptic connections
stored as networks and patterns of neurons in different locales
parts in temporal, parietal, frontal lobes (association area)
can be limitless
need to retrieve or will be lost