Quiz 2 part 2 Flashcards
What are the 4 lobes of the cerebrum?
Frontal, parietal, occipital and temporal
What are the two major fissures/sulci?
Sylvian fissure and central sulcus
What is the location of the grey matter within the cerebrum?
Grey matter is in the cortex
What is the location of the white matter within the cerebrum?
The white matter is within the subcortical areas.
What are Gyri?
Little hills in the cortex
What are Sulci?
A groove or little valley
What is a fissure?
A groove
What is the major purpose of the left hemisphere?
Language, analytical and logic, it also controls the right side of the body
What is the major purpose of the right hemisphere?
Perceptual, space, holistic and intuitive. Important in pragmatics. Controls the left side of the body.
What is the frontal lobe for?
Reasoning and judgment, grammar and producing sentences, and some motor functions.
What is the parietal lobe for?
Sensory, especially tactile, connects the frontal and temporal lobes.
What is the temporal lobe for?
Important for interpreting auditory information. Important for semantics. and processing auditory information.
What is the occipital lobe for?
Vision and vision processing
What is the location of the cerebellum?
Below the temporal and occipital lobes and above the brain stem
What is the cerebellum for?
It helps coordinate muscle movement.
What is the brain stem for?
It sends sensory information up and motor information down. It connects the brain to the spinal cord.
What is UMN and what do they do?
Upper motor neurons, they provide direct input to the spinal and cranial nerves. Activate LMNs
What is the indirect activation pathway?
Several short pathways that regulate reflexes, maintain posture, tone, and other associated activities.
What is the corticospinal tract?
It controls skilled voluntary movement of the limbs and trunk