What Neuroscience Teaches Us About Reducing Phone Use

BlogApr 24, 2026

Original excerpt

This week on my podcast, I delved deep into the neural mechanisms involved in making your phone so irresistible. To summarize, there are bundles of neurons in your brain, associated with your short-term motivation system, that recognize different situations and then effectively _vote_ for corresponding actions. If you’re hungry and see a plate of cookies, there’s a neuron bundle that will fire in response to this pattern, advocating for the action of eating a cookie.

The strength of these votes depends on an implicit calculation of _expected reward_, based on your past experiences. When multiple actions are possible in a given situation, then, in most cases, the action associated with the…

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