# Theta-Gamma clock theory

> The leading neurological explanation for why human memory has a "magic number" at all. It moves the conversation from abstract psychology to the physical timing of neurons. In this model, your brain isn't a hard drive with a certain number of gigabytes; it is a timing system with a specific rhythm.

The leading neurological explanation for why human memory has a "[magic number](https://wiki.g15e.com/pages/Magic%20number%20seven.txt)" at all. It moves the conversation from abstract psychology to the physical timing of <neurons>. In this model, your brain isn't a hard drive with a certain number of gigabytes; it is a timing system with a specific rhythm.