About limbr

Four browser exercises for practising visual memory, a memory palace, remembering an intention, and a brief visual glance.

What you need

A modern browser on a phone, tablet, or computer. The interactive practices need JavaScript. No account or payment is required.

Progress is stored in this browser on this device. There is no account-based sync. Clearing browser data can remove your saved progress.

How to read the evidence

Research about a technique is not the same as a clinical trial of this product. These tools do not measure a diagnosis or promise a particular result. Descriptions of a practice explain what to try, not what your brain or body must do.

Created by Matt Knapp.

Related tools

These are separate products with different purposes. Choose the one that fits what you would like to practise.

• Brain Beats

  Browser-generated binaural beats, monaural beats, and isochronic tones, with an easy player and advanced controls.

• Allostasis

  Guided breathing and short body-awareness practices, with a visual pacer and adjustable sessions.

• The Space Between

  Seven interactive attention exercises and narrated open-attention meditations inspired by Les Fehmi’s Open Focus method.