28th International Congress of Psychology August 8 ... - U-netSURF

duration of this research is influenced by multi factors.
4112.2 Unconscious influences on perceived position, Bruce Bridgeman, University of
California, USA
Two experiments show how unconscious information affects perceived location. A large spatially
fixed frame offset from the subject's centerline biases perception of a target's location, in the
direction opposite the frame's offset (Roelofs effect), caused by the frame biasing perceived
straight ahead without the subject's awareness. A second experiment masks perception of the
frame's existence: after several trials of a difficult discrimination about the relative lengths of two
arms of a small cross-shaped target and its location, the target appears together with a spatially
offset frame. Half of the subjects report no frame (inattentional blindness), but target position is
misperceived.
4112.3 The urban space perception in southcenter Chilean cities, Carmen Varela, Cristina
Paredes, Universidad Austral de Chile, Chile
This article presents the habitants space perceptions considerate different sex, age, activities and
income about the city that live today, in comparison with that they wish for living. Trough many
methodological proceedings are established different behaviors of space perception in order to
create new urban images. The study is located in two south Chilean cities: Valdivia and Puerto
Montt, middle cities belong to the urban system.
4112.4 A new spatial ability item type: The Stereoscopic endless loops, Martin Arendasy,
Georg Gittler, Dept. of Psychology, University of Vienna, Austria
A new item type for the assessment of spatial ability is introduced based on its theoretical
foundations (Gittler & Arendasy, 2003), automatic item generation (Arendasy & Gittler, 2004) as
well as first evaluative results regarding psychometric properties and predictive validity.
4112.5 Alerting attention and time perception in children, Sylvie Droit-Volet, Unit de formation
et de recherche de psychologie, France
The present study investigated the effect of a signal warning of the arrival of a stimulus to be
timed on temporal discrimination in children aged 3, 5 and 8 years, using a bisection task. In all
age groups, stimulus durations were judged to be longer with than without the signal. With the
signal, time sensitivity also improved and more particularly in the younger children. These results
are discussed in the framework of the internal clock models.
4112.6 Hemispheric asymmetries of temporal perceptual thresholds, Sihai Feng, Xiting Huang,
China
By using divided visual field technique, hemispheric asymmetries of temporal perception of 25
undergraduates were explored with three kinds of responding patterns, separately representing one
threshold. The result showed that responding patterns has a significant interaction with stimuli
display position (right hemisphere-left visual field, RH-LVF vs. LH-RVF). There exist three kinds
of different temporal perceptual thresholds, i.e. simultaneity, duration and order threshold as the
sequence of increasing value. And more importantly, the hemispheric asymmetry on the
processing of temporal information was revealed with the confirmed fact that LH-RVF has lower
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