The procesing of mental structures in Periception
apears to be ierial, in that viewers can fil in mising parts from
'an impoverishedustimulus folowing a top down proces. Toi inIestigate
the efects of unfamieiarity, complexity, and legibility/on object
and layOut percepfion of unfamiliar stimuli; ten subjects were shown
one of four ribon objects, containing 2-14 panels ieptesenting
diferent levels of legibility (skewed, nonskewed junc'ti'ons; low or
high ocluding jwctions). The, eye movements of six sUbjects were
ZP
also recorded- esthey viewed theribon%objects. An 1) .lysi* -of the
results.showed the perceptual schemata were comprit d of "chunks" of
_information' and,that eye fixation represented such chunk. The
physical size of the chunk, in degres of visualegle, varied
acording to the distribution of stimulus information and the
availability of procesing^resources. (Drawings of the ribon objects
and data analyses are apended). (BL)