Fallibility of Visual Perception

Fallibility

The quality of being prone to error or experiencing difficulties in judgement

Perceptual Distortion

An error in the judgement or interpretation of sensory stimuli

Visual Illusion

The perception of a visual stimulus that conflicts with how it is in physical reality

Müller-Lyer illusion

Relies on the influence of arrowheads on lines, making lines of the same length appear different.

Ames room illusion

An illusion where people of normal size appear different sizes due to the room's constructed shape.

Agnosia

A disorder involving the loss or impairment of the ability to recognise familiar stimuli through the use of one or more senses, despite the senses functioning normally otherwise

Apperceptive visual agnosia

Difficulty in perceiving visual information.

Associative visual agnosia

Difficulty in identifying what object is being viewed