Midterm One Flashcards
(21 cards)
Two divisions of the peripheral nervous system
Somatic and autonomic nervous system
Two main divisions of the nervous system
Central and peripheral nervous system
Two types of pathways in the somatic nervous system
Sensory and motor
Two divisions of the autonomic nervous system
Parasympathetic and sympathetic
Function of parasympathetic nervous system
Rest and digest
Function of the sympathetic nervous system
Fight or flight
Gyrus vs sulcus
Gyrus=ridge; sulcus=valley
Four lobes of the cortex
Frontal, temporal, parietal, and occipital lobes
Broca’s area is responsible for ….
Production of speech
Broca’s aphasia causes
Loss of speech, but not intellect or other forms of communication. Often seen with right side paralysis.
What does the lateralized language model suggest
That the language areas of the brain are all located on one hemisphere
Wernicke’s area is responsible for…
Comprehension of language
Wernicke’s aphasia causes
Inability to comprehend verbal or written language. Can speak, but what they say makes little sense.
Location of Broca’s area
Left frontal lobe, directly superior to the lateral fissure
Location of Wernicke’s area
Left temporal lobe, directly posterior to Broca’s area
Alexia symptoms
Loss of the ability to read
Cause of alexia
Disconnection between visual area of Wernicke’s area
Apraxia symptoms
Inability to make sequences of movements
Cause of apraxia
Disconnection between motor areas and sensory areas
Principle of hierarchical organization
Each successively higher level of the brain controls more complex aspects of behaviour and does so via the lower levels
Patient HM: treatment of seizures via _________ caused ________
Removal of both hippocampi; complete loss of ability to form episodic memory.
