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– Neurotransmitters are chemical messengers that transmit signals between neurons in the brain and nervous system:
– **Serotonin:** Regulates mood, sleep, appetite, and social behavior; implicated in depression and anxiety disorders.
– **Dopamine:** Involved in reward and motivation, motor control, and emotional responses; linked to addiction and schizophrenia.
– **Noradrenaline (norepinephrine):** Influences arousal, attention, and stress response; involved in mood disorders and attention disorders.
– **GABA (gamma-aminobutyric acid):** Inhibitory neurotransmitter that reduces neural activity; implicated in anxiety disorders and epilepsy.
– **Glutamate:** Excitatory neurotransmitter involved in learning, memory, and neural plasticity; implicated in neurodegenerative disorders.