The Learning Disability Association of Canada (L’association canadienne des troubles d’apprentissage, ACTA) (http://www.ldac-acta.ca/) and its library of documents and research informs to a great extent how learning disabilities are managed in Canada. LDAC/ACTA’s guidelines for defining and intervening in…
Tag: definition
VSP: Visual Signal Processing
VSP, or Visual Signal Processing, can be simplified as saying: What happens to a visual signal after the eyes have locked-on to it? That is, what does the brain ‘do’ with the signal when it arrives? Keep in mind…
VSA: Visual Signal Acquisition
VSA is the first order of concern in an assessment of visual function, and follows immediately after the comprehensive general health and eye health examination and history. Assessing VSA in young children is an effective means of screening for dyslexia…
ECPs – Eye Care Professionals
This page is written to introduce you to the different players in eye health and vision care. Frequently, people will lump all Eye Care Professionals (ECPs) together and can end up wasting time and money by consulting the wrong specialist.…
Visual Skills – Definition
The term ‘visual skills’ includes all neuro-muscular and perceptual elements that together give rise to reflexive-passive, and volitional-active vision. These are not limited to the neuromuscular and neurosensory elements of the eye and retina, but integrate inputs from and…
LDAC Official Definition of Learning Disabilities
Note: This ‘official’ definition of Learning Disabilities is put forth by the Learning Disabilities of Canada, and is very similar to that put forth by their American counterparts (http://www.ldaamerica.org/aboutld/parents/special_ed/eligibility.asp). It is not a scientific definition, but a consensus definition for…