Class Notes (806,696)
Canada (492,414)
NEUR 2600 (19)

The Brainstem

2 Pages
Unlock Document

University of Lethbridge
NEUR 2600
Ian Whishaw

The Brainstem January-21-13 10:54 AM Afferent and Efferent -> define Paul D. MacLean -> Three brains. Reptilian,Proto-Mammal (limbicsystem), Neo-Coretex (mammilian) - There's a dragon in all of our brains because we havea brainstem Seti - search for extraterrestrial intelligence The brain stem isthe main brainof a fish, amphibian,or reptile. It has centers for coordinating movement, controlling reguklartoryfunctions, hearing, vision - Little evidence that these structures provide these animalswith conscious control of their behavior. - Because we have a brainstem, likelyit serves the same functions for us The Brainstem 1. Overviewfrom evelopment 2. Diencephalon 3. Midbrain 4. Cerebellum - Memorize the parts of the brain Frog brain is the sizeof a fetus brain The dorsal part of the brainstem (above the ventricle)is sensory and the ventral part is motor Diencephalon (The Rooms) 1. Epithalamus - seasonal rhythms (pineal gland) 2. Thalamus - cortical relaysystem 3. Hypothalamus - regulatorybehavior a. Drinking b. Eating c. Temperature regulation d. Sleep e. Salt regulation f. Sexual motivation g. Sexual behavior h. Stress - Lateral hypothalamus and Ventromedial hypothalamus ○ Mediate our eating behavior  Ventromedial damage = obesity □ Hyperphagia(phagiato chew)  Lateral damage = starving □ Aphagia Each cluster Thalamus = rooms Midbrain or Mesencephalon - Tectum - roof is sensory ○ Superior colliculus - visual control ○ InferiorColliculus - auditory control  Collis= hill  Collis= hill ○ Owls
More Less

Related notes for NEUR 2600

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.