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Neurotransmitters & mental health · interactive model

Synapse to Symptom

Pick a condition, then step from typical to condition to with treatment. The 3D brain shows which chemical pathways and regions shift. The synapse shows what happens between two neurons.

Brain pathways

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Synapse

Receptor signal
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Before → after (simulated average, typical = 100%)

Brain regions

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      Beyond the brain

      How each condition affects the brain, nervous system and body

      At the synapse (this lesson)
      Brain
        Nervous system
          Body

            Stress hormones (HPA axis):

            With treatment:

            See it on the 3D body ↗Look it up in the DSM-5-TR Guide ↗

            Group-average research findings, simplified for teaching. They cannot be used to diagnose anyone. Sources are listed on the Body and Brain page.

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            Test your knowledge

            Twenty questions on Synapse to Symptom. Rate how sure you are for each one. Your answers are anonymous and add to the class results. Or practice with a timed game, alone or with classmates.

            Take the quiz →🎮 Play the game