Assertion: illusion | /r/HasProperty | created
Facets:
value: through having a temporary fault
type: CAUSE
value: without using walls
type: OTHER
Source sentences:
text: Studies have shown that the illusion can be created without using walls and a ceiling;[citation needed] it is sufficient to create an apparent horizon (which in reality will not be horizontal) against an appropriate background, and the eye relies on the apparent relative height of an object above that horizon.
text: An illusion is created through having a temporary fault with the sense organs resulting in faulty sense-data, or by utilising a pattern from the sense-data that is significantly less than optimum.
text: The times that the senses are dormant are the times that illusions are created.