Many psychologists argue that perceptual and motor development do not occur in isolation from each other, but instead are epigenetic. this is what psychologists refer to as

The idea that perceptual and motor development do not occur in isolation from each other, but instead are epigenetic is part of the perceptual motor coupling.
This coupling defines the distinction between perceiving and doing.Age-related declines experienced in perceptual-motor coupling in middle
and late adulthood

They need to know because sometimes they have a symptom

Gwould be the correct answer