Brain

Mind Map (PYSC 1110-12)

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Brain by Mind Map: Brain

1. References

1.1. King, L, A. (2019). Experience Psychology 4th Edition, McGraw-Hill Education.

1.2. Presentations in class (notes)

2. Neurotransmitters

2.1. Acetylcholine

2.1.1. Def: Most common type of neurotransmitter. This one activates muscles that help the body move. Also involves learning and memory.

2.1.2. Too much: Paralysis.

2.1.3. Too little: Memory loss.

2.2. Dopamine

2.2.1. Def: Pleasure neurotransmitter that is in nerve cells and helps with thinking and planning.

2.2.2. Too much: Schizophrenia.

2.2.3. Too little: Parkinson's disease.

2.3. Def: Chemical substances that are stored in very tiny sacs within neuron's terminal buttons and involved in transmitting info across a synaptic gap to the next neuron.

2.4. Serotonin

2.4.1. Def: Pleasure neurotransmitter in digestive system and blood platelets. Controls sleep and mood.

2.4.2. Too much: Seizures.

2.4.3. Too little: Depression.

2.5. Norepinephrine

2.5.1. Def: Naturally occurring chemical in the body that acts as both a stress hormone and neurotransmitter. It controls alertness and fires neurons.

2.5.2. Too much: Manic states.

2.5.3. Too little: Depression and Bipolar.

3. Central Nervous System (CNS)

3.1. Def: The brain and spinal cord in a complex organization of nerve tissues.

3.2. Connections: Uses neurotransmitters to communicate.

4. Spinal Cord

4.1. Def: A long tubular bundle of nerve fibers.

4.2. Connections: Part of the CNS and is connected to the brain.

5. Neuron

5.1. Def: One of two types of cells in the nervous system; neurons are the nerve cells that handle the info-processing information.

6. Axon

6.1. Def: The part of the neuron that carries info away from the cell body toward other cells.

7. Dendrites

7.1. Def: Treelike fibers projecting from a neuron, which receive info and orient it toward the neuron's cell body.

8. Myelin Sheath

8.1. Def: A layer of fat cells that encases and insulates most axons.

9. Peripheral Nervous System (PNS)

9.1. Def: The network of nerves that connects the brain and spinal cord to other parts of the body.

10. Autonomic Nervous System (ANS)

10.1. Def: The body system that takes messages to and from the body's internal organs, monitoring such processes as breathing, heart rate, and digestion.

11. Sympathetic Nervous System

11.1. Def: The part of the autonomic nervous system that arouses the body to mobilize it for action and thus is involved in the experience of stress. Fight or flight.

12. Parasympathetic Nervous System

12.1. Def: The part of the autonomic nervous system that calms the body.