Three-dimensional bilateral symmetry bias in judgments of figural identity and orientation

Article Abstract:

Symmetry is used to constrain object identification and orientation, with the visual system assuming patterns to be three-dimensional and bilaterally symmetric. Most research subjects interpreted both vertically symmetric and asymmetric two-dimensional shapes as silhouettes of bilaterally symmetric 3-D objects. It is ecologically valid to assume symmetry, as the majority of salient objects are bilaterally symmetric and there are advantages in correctly classifying symmetric objects.

Observations, Perceptual orientation, Symmetry, Orientation (Psychology), Three dimensional vision

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Perceptual bias for forward-facing motion

Article Abstract:

The strength of motion bias in the forward-facing facing direction as a function of properties of stimulus shape was studied. Results show that bias was greatest when directionality was specified geometrically as in triangles increasing parametrically as a function of triangle pointedness. Biological shapes such asmice also showed large motion bias consistent with directional interpretation. Motion bias was absent for calligraphy or letter shapes.

Movement, Psychology of, Movement (Psychology)

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One-shot view invariance in a moving world

Article Abstract:

Research shows that individuals are more likely to establish the identity of a moving object when the object is observed in a view-invariant orientation. Evidence suggests that motion enhances object recognition when the object is placed in novel surroundings. Further research is required to establish if neural generalization fields are key dynamic object recognition.

Recognition (Psychology), Recognition (Memory)

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