It has been presumed that children who reverse letters or words see them backward. This is false. They have directional confusion. In the real world, the direction has no meaning. For example, a chair is a chair no matter which way it is placed. Changing direction does not change interpretation. In the world of language, direction changes meaning. Connect the bottom of a chair and it looks like a "b". Turn it 180 degrees it becomes a "d", flip it upside down and it becomes a "q", and flip it again it becomes a "p". Thus, direction changes the meaning. The difference between "was" and "saw" is direction.
The Eye as an Indicator of Alzheimer's?
by Vision Specialists of Idaho PC
In 2020, Alzheimer's Disease International estimated that the number of people living with dementia worldwide - nearly 55 million in 2020 - will almost double every 20 years.
There is no single test that can show if a person has Alzheimer's, but...