The Neuroscience of Behavior
Discover how neural circuits, chemical messengers, and brain architecture dictate every action, craving, and emotion. Move past simplified pop-psychology to understand the biological machinery that drives human behavior.
Like Duolingo, but for The Neuroscience of Behavior. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
21 levels across 3 sections, about 42 minutes end to end, roughly 8 days at five minutes a day. It moves through The Reactive Brain: Stress, Drive, and Craving; Modulating Thought, State, and Circuitry; and The Underlying Architecture: Signaling and Networks. It assumes you already know the basics.
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Key ideas in The Neuroscience of Behavior
- A low subcortical route sends coarse sensory data directly from the sensory thalamus to the amygdala
- The high cortical route routes through visual cortex, adding detail and conscious perception ~100ms later
- Amygdala threat activation triggers rapid motor defense long before the brain identifies what the object is
- The autonomic sympathetic burst fires directly via nerves in split seconds, releasing epinephrine
- The HPA axis operates through hormonal cascades across the bloodstream, peaking over tens of minutes
- Cortisol sustains energy availability over hours after the immediate neural surge subsides
- High levels of cortisol bind glucocorticoid receptors in the hippocampus and PFC, disrupting synaptic plasticity
- Stress impairs prefrontal working memory and hippocampal declarative retrieval simultaneously
- Dorsal striatum and basal ganglia habit loops remain robust under acute stress, taking behavioral control
- The ventromedial prefrontal cortex sends inhibitory GABAergic projections that dampen amygdala reactivity
- Cognitive reappraisal consciously engages prefrontal circuits to reduce autonomic sympathetic output
- Damage or fatigue to prefrontal regions prevents effective top-down dampening of fear responses
- Prolonged glucocorticoid exposure shrinks prefrontal dendritic trees and weakens executive connectivity
- Chronic stress causes dendritic growth and hyper-connectivity in the basolateral amygdala, increasing vigilance
- Hippocampal volume decreases due to suppressed adult neurogenesis and synaptic retraction under sustained stress
- Dopamine neurons fire above baseline when an unexpected reward occurs.
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives The Neuroscience of Behavior the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Imagine spotting a shape in the grass. What does the high cortical route do roughly 100 milliseconds after the initial scare?
Get it right to open this lesson and 20 more in the app.
How to learn The Neuroscience of Behavior, step by step
Go in order. 21 short levels across 3 sections, about 42 minutes in all, five minutes a day.
- 1
The Reactive Brain: Stress, Drive, and Craving
- Decoding the Brain's Threat and Stress Response
- Motivation, Craving, and the Dopamine Circuit
- 2
Modulating Thought, State, and Circuitry
- Executive Control and Behavioral Inhibition
- Sleep, Circadian Clocks, and Brain Clearance
- Neuroplasticity and Circuit Remodeling
- 3
The Underlying Architecture: Signaling and Networks
- Synaptic Transmission and Chemical Modulation
- Large-Scale Networks and Brain-Body Signaling
3 sections · 7 units · 21 levels. Built to play, not to enroll.
Questions about The Neuroscience of Behavior
How do I learn The Neuroscience of Behavior?
Go in order: start with The Reactive Brain: Stress, Drive, and Craving, then Modulating Thought, State, and Circuitry, then The Underlying Architecture: Signaling and Networks. On Tomo that's 21 short levels, about 42 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for The Neuroscience of Behavior?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. The Neuroscience of Behavior is one of its free courses, and you can type any other topic to get a course of your own.
Is The Neuroscience of Behavior free?
Yes. The Neuroscience of Behavior is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn The Neuroscience of Behavior?
21 levels across 3 sections, about 42 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start The Neuroscience of Behavior?
No. It's pitched at an intermediate level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
The Neuroscience of Behavior is taught in the Storyteller style: every lesson is a story. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start The Neuroscience of Behavior today.
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