Biomed Unit 2- Neurotransmitters

Neurotransmitters a chemical message that is sent to another neuron, or muscle, or gland.

Dopamine

motivation, mood, attention, memory, movement (gives feelings of pleasure and reward.)

gamma-aminobutyric acid (GABA)

The primary inhibitory(calming) neurotransmitter of the central nervous system, GABA is essential for signal regulation and normal brain function (homeostasis for the brain)

Glutamate

The primary excitatory neurotransmitter in the brain, present in more than 90% of all brain synapses (really common)

Serotonin

Involved in mood, sleep, and digestion

Epinephrine and Norepinephrine

Excitatory neurotransmitters that play a role in the fight-or-flight response and increase arousal and attention.

Acetylcholine

involved in muscle contraction, memory, learning

Histamine

A signaling molecule that regulates physiological processes, including immune response, wakefulness, and gastric acid secretion. Causes allergy symptoms