1. REGIONS OF THE BRAIN

2. THE CEREBRUM FUNCTIONS:
Controls intelligence & conscious thought, reasoning, judgment
Interprets senses
Controls complex muscle patterns
Memory storage/retrieval

3. THE CEREBRUM Structures: Paired hemispheres
Gyri = outer elevated ridges
Sulci = shallow depressions between

4. THE CEREBRUM Structures cont.:
Longitudinal fissure = separates R & L hemispheres
Corpus callosum = thick band of nerve fibers connecting R & L & allows communication

5. THE CEREBRUM: Right vs Left
Speech /language
Reading/writing
Analytical tasks – math!
Logic/reason
RIGHT:
Musical/Artistic
Emotional expression
Visual – pictures
Pattern recognition

6. LOBES OF THE CEREBRUM 1. Frontal 2. Parietal 3. Temporal 4. Occipital
☆ Primary motor area
☆ Frontal association area = judgment & reason
☆ Taste area
2. Parietal
☆ Primary sensory area – touch, temp, pressure & pain
3. Temporal
☆ Auditory & Olfactory area
4. Occipital
☆ Visual
Central sulcus
Lateral sulcus

7. THE CEREBRUM: An Overview
Let Us Look Inside the Cerebrum…

8. THE DIENCEPHALON

9. THE DIENCEPHALON Thalamus
☆ All sensory info (except smell) is relayed through & then sent to appropriate areas of brain for response

10. THE DIENCEPHALON Hypothalamus
☆ Primary link between NS & endocrine – pituitary releases hormones
☆ Regulates moods, thirst, appetite, waking vs sleep
☆ Regulates body temp & water balance
☆ Reg. & coordinates autonomic – digestion & urination

11. THE BRAIN STEM 1. Midbrain: ☆ Maintains alertness 2. Pons:
☆ Regulates respiration rate
3. Medulla Oblongata:
☆ Connects brain to spinal cord
☆ Regulates breathing rhythm, ♡ rate, blood flow
☆ Reflexes: vomiting, sneezing, hiccupping & swallowing
All information to and from our body passes through the brain stem on the way to or from the brain. Like the frontal and temporal lobes, the brain stem is located in an area near bony protrusions making it vulnerable to damage during trauma.

12. THE CEREBELLUM
☆ Coordinates subconscious skeletal muscle – maintains balance & posture
Ex: moving an object
☆ Damage – trauma, stroke or drugs (alcohol) = ataxia
2nd Largest Region

13. THE LIMBIC SYSTEM
☆ A functional system not anatomical – parts of cerebrum, hypothalamus & brain stem
☆ Emotion centers, memory, links conscious thoughts to unconscious functions

14. WRAPPING UP THE BRAIN
ANOTHER LOOK INSIDE