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Example of basic PECS communication board. The Picture Exchange Communication System (PECS) is an augmentative and alternative communication system developed and produced by Pyramid Educational Consultants, Inc. [1] PECS was developed in 1985 at the Delaware Autism Program by Andy Bondy, PhD, and Lori Frost, MS, CCC-SLP. [2]
Aided communication methods can range from paper and pencil to communication books or boards to speech generating devices (SGDs) or devices producing written output. The elements of communication used in AAC include gestures, photographs, pictures, line drawings, letters and words, which can be used alone or in combination.
A letter board or letter sign, also known as marquee, is a customizable form of signage that employs individually movable letters of the alphabet.They are used by, e.g., movie theaters to list the current roster of films, churches to display the titles of sermons, and other buildings, people, and institutions whose signs are required to change on a regular basis.
In addition, in numerous cases disabled persons have been assumed by facilitators to be typing a coherent message while the patient's eyes were closed or while they were looking away from or showing no particular interest in the letter board. [7] Facilitated communication has been called "the single most scientifically discredited intervention ...
Facilitated communication, a technique in which a facilitator supports a person with disabilities at the arm, wrist or hand during the process of typing on a letter board, is closely related to RPM. Controlled studies in the 1990s determined that, when facilitators did not know the answers to questions being asked through FC, the answers were ...
A word board or communications board is a simple means to help people who have lost the ability to speak. A word board may typically be provided to those recovering after a stroke . [ 1 ] To communicate, the user points at the relevant words, letters or symbols on the board.
Stephen Hawking (1942–2018), astrophysicist and prominent SGD user. Speech-generating devices (SGDs), also known as voice output communication aids, are electronic augmentative and alternative communication (AAC) systems used to supplement or replace speech or writing for individuals with severe speech impairments, enabling them to verbally communicate. [1]
PCS for Non-verbal communication. Picture communication symbols (PCS) are a set of colour and black & white drawings originally developed by Mayer-Johnson, LLC for use in augmentative and alternative communication (AAC) systems. These AAC systems may be high-tech, such as the TD Pilot, or low-tech such as a communication board.