Chapter 8.7: Nervous System. Limbic System Establishes emotion and behavior Links conscious with autonomic Long-term memory storage and retrieval Makes.

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Chapter 8.7: Nervous System

Limbic System Establishes emotion and behavior Links conscious with autonomic Long-term memory storage and retrieval Makes you “want” to do things Rage, fear, sexual arousal

Diencephalon Epithalamus Contains pineal gland Secretes melatonin Regulates day/night cycles

Figure 8.24a

Diencephalon cont… Thalamus Coordination of voluntary and involuntary motor commands

Figure 8.24a

Diencephalon cont… Hypothalamus Subconscious control of skeletal muscle associated with rage, pleasure, pain and sexual arousal Adjusts autonomic centers Heart rate, blood pressure, respiration and digestion Coordinates nervous and endocrine system Secretes hormones

Hypothalamus cont… Produces feelings of hunger and thirst Regulates body temperature Coordinates daily cycles

Figure 8.16c

Midbrain Process visual and auditory sensations Control reflex movement of eyes, head and neck Contains reticular formation Controls sleep cycles Maintains muscle tone and posture Damage here = Parkinson’s Disease Difficulty starting voluntary movements

Figure 8.16c

The Pons Pace and depth of respiration

Figure 8.16c

The Cerebellum Maintains balance Permanently damaged by trauma/stroke Temporarily damaged by drugs/alcohol Produces ataxia Disturbance in balance

Figure 8.16c

Medulla Oblongata Connects brain with spinal cord Cardiovascular centers Adjust heart rate Adjust cardiac contraction strength Flow of blood Respiratory centers Respiratory movements

Figure 8.16c