1. Ch 12 CNS continued Learning Objectives Continued Last time, we left off talking about the cerebral hemispheres…

2. Diencephalon Forms the ______ ________ of the forebrain. Consists of three paired structures: 1. 2. 3. thalamus hypothalamus Epithalamus (pineal gland)

3. Diencephalon continued Thalamus sorts and edits ____________. Recognizes impulses as _______ or _______. Helps coordinate _______ activities. Important to ______________. The _________ to the cerebral cortex.

4. Diencephalon continued Hypothalamus (pgs 400 – 402) plays a role in 7 key areas. List (and briefly summarize) those areas in your notes now: 1. 2. 3. 4. 5. 6. 7. Regulation of food intake – the hypothalamus regulates hunger and satiety Water balance and thirst Sleep-wake cycles – biological clock Endocrine system functioning

5. Diencephalon continued Epithalamus encompasses the _________ which secretes the hormone melatonin. Melatonin induces sleep.

6. Brain Stem Review Midbrain Pons Medulla oblongata

7. Brain Stem: MidBrain What does it do? If impaired in its core, results in the loss of _____________ or coma. The dorsal or posterior part is important for visual system reflexes, and ___________. The ventral or anterior part is important for _______________________. Two other structures in the depth of the midbrain are important for normal ___________.

8. Brain Stem: Pons Allows conversations between the cerebral cortex and ________. Help medulla maintain normal rhythm of _____________.

9. Brain Stem: Medulla Oblongata Helps maintain ________ 3 other additional roles (pg 406). Look them up and write them in your notes now. 1. 2. 3. Vomiting, hiccupping, swallowing, coughing, and sneezing

10. Wrap-up This concludes Chapter 12 CNS Be sure to study the parts of the brain and know their functions. Learn BEFORE next class!!!