AP PSYCHOLOGY

Detailed explanation-1: -SSRIs treat depression by increasing levels of serotonin in the brain. Serotonin is one of the chemical messengers (neurotransmitters) that carry signals between brain nerve cells (neurons).

Detailed explanation-2: -After carrying a message, serotonin is usually reabsorbed by the nerve cells (known as “reuptake"). SSRIs work by blocking ("inhibiting") reuptake, meaning more serotonin is available to pass further messages between nearby nerve cells.

Detailed explanation-3: -It’s thought that antidepressants work by increasing neurotransmitters. These are chemicals in the brain like serotonin and noradrenaline. They can improve mood and emotion, although this process isn’t fully understood. Increasing levels of neurotransmitters can also disrupt pain signals sent by nerves.

Detailed explanation-4: -Antidepressants have various effects on the body, including action at the neuronal synapses of the brain; the two most important of these effects are blockade of the reuptake of neurotransmitters, including NE, 5-HT, and dopamine, and blockade of certain neurotransmitter receptors.

Detailed explanation-5: -Medications Examples of SSRIs include fluoxetine (Prozac) and sertraline (Zoloft). These drugs are effective for increasing serotonin and can treat symptoms of depression.