The Brain Flashcards
Weight of the brain
3 pounds
Makeup of the brain
Water: 75%
Fat: 60%
Neurons: 250,000 nerve cells per minute
Blood vessels length: 400 miles
Pain: no pain receptors
What separates the frontal and parietal lobe?
Central Sulcus (Rolandic fissure)
What separates the temporal lobe from the rest?
Lateral Sulcus
(Sylvian fissure)
What are the three sections of the brain stem?
The midbrain
Pons
Medulla
Frontal lobe functions
Movement
Decision making
Planning
Parietal lobe functions
Processing sensory information
Attention of space around us
Temporal lobe functions
Processing auditory
Important in memory and learning
Rostral vs caudal
Rostral is towards nose
Caudal is away from the head
Dorsal vs ventral
Dorsal is back
Ventral is front
Medial vs lateral
Medial is towards midline
Lateral is away from midline
Ipsilateral vs contralateral
Ipsilateral is same side of the body
Contralateral is opposite side
Sagittal plane
Cuts through dividing left and right
Coronal plane
Separates the body into front and back
Horizontal plane
Divides the body into upper and lower halves
