ch 13 pt 2 overview of brain anatomy Flashcards
What is the cerebrum the center of?
Intelligence, judgment, memory
What is the cerebrum composed of?
Left, right hemisphere
What is longitudinal fissure?
Deep cleft separating hemispheres
What is corpus callosum?
Largest tract providing connection between them
What is decussation?
Connections with the body are generally crossed
What is lateralization?
Certain parts of your brain have different jobs
Functions of frontal lobe?
Motor control, concentration, decision making
Functions of parietal lobe
General sensory, evaluating shape and texture of objects
Functions of temporal lobe
Hearing and smell
Function of occipital lobe
Vision
Functions of Insula lobe
Memory and sense of taste
Where can you find Insula lobe?
Pulling away temporal lobe
Where is primary motor cortex located?
In precentral gyrus
What does primary motor cortex do?
Controls skeletal muscle activity on opposite side of body
Opposite side
Contralaterally
Same side
Ipsilateral
Where is motor speech area (Broca Area) located?
Inferolateral portion of left frontal lobe
What does motor speech area do?
Controls movements for vocalization
Where is frontal eye field located?
Superior surface of middle frontal gyrus
What does frontal eye field do?
Regulates eye movement
Where is premotor cortex located?
Anterior to motor cortex
What does premotor cortex do?
Taking info we know and applying it to new info
Where is primary somatosensory cortex located?
In postcentral gyrus of parietal lobes
What does primary somatosensory cortex do?
Taking info from skeletal muscles
Where is primary visual cortex located?
Occipital lobe
What does primary visual cortex do?
Vision
Where is somatosensory association area located?
Posterior to postcentral gyrus
What does somatosensory association area do?
Integrates touch information
What does visual association area do?
Integrates color, form, and memory
What does primary auditory cortex do?
Hearing
Where is visual association area located?
Surrounds primary visual cortex
Where is primary auditory cortex located?
Located within temporal lobe
Where is auditory association area located?
In temporal lobe
What does auditory association do?
Makes connections
What does primary olfactory cortex do?
Smell
Where is primary olfactory cortex located?
Within temporal lobe
Where is gustatory cortex located?
Within insula
What does primary gustatory cortex do?
Taste
Where is prefrontal cortex located?
Front to premotor cortex
What does prefrontal cortex do?
Complex thought, judgement, personality
Where is Wernicke area located?
Left hemisphere
What does Wernicke area do?
Area of interpretation
Where is categorical hemisphere located?
Left hemisphere
What does categorical hemisphere do?
Analytical side
Where is representational hemisphere located?
Right hemisphere
What does representational hemisphere do?
Visual side
What are association tracts?
Connect regions within same hemisphere
What are commissural tracts?
Connect regions within different hemisphere
What are arcuate fibers?
gyri to gyri
What are longitudinal fasciculi?
lobe to lobe
What are commissures?
hemisphere to hemisphere
What are projection tracts?
Spinal cord - brain
