The Central Nervous System

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The Central Nervous System by Mind Map: The Central Nervous System

1. The Spinal Cord

1.1. Spinal nerves (31 pairs)

1.2. Spinal Reflexes

2. The Brain

2.1. Brain Stem

2.1.1. Midbrain

2.1.2. Pons

2.1.3. Medulla Oblongata

2.2. Limbic system

2.2.1. Amygdala

2.3. Cerebrum

2.3.1. Corpus Callosum

2.3.2. Hemispheres Left Right

2.3.3. Layers of Cerebrum Grey Matter: The Cerebral Cortex White Matter

2.3.4. Lobes Frontal Lobe Temporal Lobe Parietal Lobe Occipital Lobe

2.4. Cerebellum

2.5. Cells

2.5.1. Stem Cells: Create new neurons throughout life

2.6. Thalmus and Hypothalmus

3. Thoughts, plans, and learning

4. Leaving Brain

5. The Body

5.1. Right Side

5.2. Left Side

6. Sensory Information Processing

7. Connecting different parts of the brain

8. Emotions, behavior, memory, emotional learning, fear, anxiety, pleasure

9. Directing Information to Appropriate Location

10. Hunger, thirst, fatigue, anger, body temperature, nervous and endocrine system coordination

11. Coordinating and balancing Muscles, "muscle memory"

12. Regulating information flow between brain and spinal cord, controlling breathing, blood pressure, heart rate, and swallowing

13. Addiction and the Brain

13.1. Effects

13.1.1. Modifies Behavior

13.1.2. Affects synapses related to pleasure and rewards

13.1.3. Pleasurable sensations caused by drugs that: Directly cause dopamine to be released (methamphetamine) Inhibit reuptake of dopamine (cocaine) Stimulate receptors to release dopamine (opium poppy drugs such as heroin)

13.1.4. Reduction of number and density of dopamine receptors, which reduces feelings of pleasure (shown on PET scans)

13.2. Examples of Addictive Drugs

13.2.1. Heroin

13.2.2. Methamphetamine

13.2.3. Cocaine

13.2.4. Tobacco

13.2.5. Alcohol