The Intrinsic Constraint (IC) model of depth-cue integration (F. Domini, C. Caudek, & H. Tassinari, 2006) posits a strong link between perceived depth and depth discrimination, much like some Fechnerian theories of sensory scaling. K. J. MacKenzie, R. F. Murray, and L. M. Wilcox (2008) tested the IC model by examining whether two depth-matched pairs of stimuli are separated by equal numbers of Just Noticeable Differences (JNDs) in depth. They concluded that “IC is inconsistent with the psychophysics of depth perception.” Here, by using a different methodological approach, we provide empirical !ndings that are consistent with the predictions of the IC model. We also discuss the relative merits of the IC and Modi!ed Weak Fusion (MWF) models (M. S. Landy, L. T. Maloney, E. B. Johnston, & M. Young, 1995) of depth-cue combination.
The Intrinsic Constraint Model and Fechnerian Sensory Scaling / F. DOMINI; C. CAUDEK. - In: JOURNAL OF VISION. - ISSN 1534-7362. - ELETTRONICO. - 9:(2009), pp. 1-15. [10.1167/9.2.25]
The Intrinsic Constraint Model and Fechnerian Sensory Scaling
CAUDEK, CORRADO
2009
Abstract
The Intrinsic Constraint (IC) model of depth-cue integration (F. Domini, C. Caudek, & H. Tassinari, 2006) posits a strong link between perceived depth and depth discrimination, much like some Fechnerian theories of sensory scaling. K. J. MacKenzie, R. F. Murray, and L. M. Wilcox (2008) tested the IC model by examining whether two depth-matched pairs of stimuli are separated by equal numbers of Just Noticeable Differences (JNDs) in depth. They concluded that “IC is inconsistent with the psychophysics of depth perception.” Here, by using a different methodological approach, we provide empirical !ndings that are consistent with the predictions of the IC model. We also discuss the relative merits of the IC and Modi!ed Weak Fusion (MWF) models (M. S. Landy, L. T. Maloney, E. B. Johnston, & M. Young, 1995) of depth-cue combination.File | Dimensione | Formato | |
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