Mental Health-the brain

- Originate in the midbrain and extends into all brain regions, particularly the hypothalamus

- Also present in the blood Platelets and the lining of the digestive tract

- Regulates state of consciousness, mood, depression, and anxiety. It affects basic bodily functions such as appetite, sleep,and sexual behavior.

- May contribute to aggression and schizophrenia.

Is present in the three nerve tracts that have different functions

• - Transmitter located in the sympathetic nerves of the peripheral and central nervous systems.
• -Is secreted by the adrenal glands in response to stress or arousal

• 1. Acetylcholine - not on test
• 2. norepinephrine
• 3. Dopamine
• 4. Serotonin
• 5. Gamma (Gabba)

In charge of processing visual input

Receives sensory information from the body

• Affects gross motor skills and the integration of sensory input
• ex:hearing,perception,and storage of memory

• -Largest,govern personality, emotion,reasoning,learning, and speech.
• -Motor control
• -Decision making and purposeful behavior

- Surface of each hemisphere is an intricately folded layer of nerve cells.

• Behind the brain stem and receives information from the muscles, joints, balance, skin, the eyes, and ears
• - Controls bodily functions operating below the level of consciousness. ex: posture,balance, movement through space
• -memory of certain kinds of simple learned responses may be stored

• At the center of the brain stem and traveling it's full length is a core of neutral tissue
• - controls the position and tension of muscles

• -Hind brain
• -located just under the midbrain
• -links the various areas of the brain with each other and the central nervous systems

• - controls coordinated movements
• -involved in language and thinking
• -links the brain to the spinal cord
• -maintence of the unconscious life support functions
• - Medulla oblongata
•    -regulates vital functions - arousal, heartbeat,respiration, blood flow, muscle tone, movement of stomach, and intestines.

• - Hind brain
• -Mid brain
• -Fore Brain

A serious of interconnecting neurons working together for some coordinated purpose

-The study of drugs that affect a person's thinking, emotions, and behaviors

• - Connects the cerebral cortex and the other parts of the brain.
• When unintentionally affected by certain psychotropic medications adverse side effects happen 
•   ex:parkinson's

• -Located near the center of the Forebrain
• -relays sensory information from the body to the brain
• -Helps initiate consciousness and make preliminary classifications of external information

• - involved in learning
• -memory - helps convert information short term to long memory
• -emotions

• - involved in memory
• -emotional responses
• aggression

• - switching station for sensory information
• -involved in memory

• - produced by the hypothalamus
• -influence motivation, sexual arousal, eating and drinking, sleeping, waking, certain chemical balances, and emotions important to survival.

Hindbrain

• Largest section of the brain
• Consists of many specialized areas

• - involved in emotion and homeostasis
• -regulates body temperature, blood pressure, heart rate, and blood sugar levels.

• - limbic system
• - relay station for internal regulatory systems
• -monitoring information coming from the autonomic nervous systems
• - influencing the body's behavior through pathway
• -produces neurohormones

• - monitors and integrates various sensory functions
• - serves as a center of visual and auditory stimulation
• -on the upper surface of the midbrain, collections of cells relay specific information from sense organs to higher levels of the brain.

• Is a membrane of the cell body, or dendrite, on which receptor sites are located
• - the receiving area of the synapse on the dendrite of the nerby cell body.

- an axon nerve cell ending containing neurotransmitters that extend to the synopse

• - central area of the neuron
• -metabolic center
• -lipid (fatty) material, the cell membrane separates the contents of the cell from the fluid enveloping it.

• - Process by which a neurotransmitter crosses the snypatic cleft and attached to a receptor in the postsynaptic membrane which activates chemical changes in the postsynaptic membrane
• - can encourage or discourage the production of nerve impulses

• - by modifying natural events in the synapses along pathways in certain areas of the brain
•  1. altering presynaptic activity to prompt neurotransmitter release
• 2.altering post synaptic activity to affect receptor binding
• 3.interfering with normal reuptake process
• 4.altering the manufacture of receptors

-After transmission is complete the neurotransmitter is either discarded as waste by the grial cells or enters the presynpatic terminal for storage and use at another time