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Our websites will be undergoing scheduled maintenance on July 30th from 8:00 PM to 11:00PM Eastern Time. During this period, services will be unavailable. We apologize for any inconvenience and appreciate your understanding.

An issue has been identified that is preventing Empower software from loading on Accent devices. Read more for detailed instructions for how to fix your device. We sincerely apologize for any inconvenience this may have caused.

About the Essence Language System

Essence is the language system for literate adults who, due to a stroke, a traumatic brain injury or a degenerative neurological disease such as ALS, need a way to actively engage at home, in the workplace, in social situations and in medical settings.

Optimized for use with PRC’s Look® (eye tracking technology) and NuPoint® (head mouse technology), Essence combines spelling with word prediction, abbreviation expansion and quick messages for efficiently expressing thoughts.

Essence enables adults to maintain relationships with loved ones, take part in social and family activities and achieve their highest level of independence and autonomy.

Tab-based navigation allows for fast and easy access to:

An Integrated Feature Pack is also available to enable web browsing, social media, email access, navigate internal and external computers and more.

  Download more information on our Essence Language System

Dialogue AAC

Dialogue™ AAC is an iOS app designed for literate individuals who require AAC (augmentative and alternative communication). The included Essence vocabulary allows individuals to use spelling and word prediction to say virtually anything.


Looking for training on using the Essence Language System? View our self-study courses:

Essence Language System Overview

Additional Downloads

Getting Started Guides

Quick Reference Guides

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