psychophysics

Contact forces in roughness discrimination

Roughness perception through fingertip contact with a textured surface can involve spatial and temporal cues from skin indentation and vibration respectively. Both types of cue may be affected by contact forces when feeling a surface and we ask …

The Predictive Perception of Dynamic Vibrotactile Stimuli Applied to the Fingertip *

Because the world is dynamic in nature, sensory predictions are invariably important to successful interaction with it. The current experiment examined the influence of dynamic frequency information on the associated perceptions of simple geometric …

Static weight perception through skin stretch and kinesthetic information: detection thresholds, JNDs, and PSEs

We examined the contributions of kinesthetic and skin stretch cues to static weight perception. In three psychophysical experiments, several aspects of static weight perception were assessed by asking participants either to detect on which hand a …

Perceptual Limits of Visual-Haptic Simultaneity in Virtual Reality Interactions

The goal of this work is to establish the range of visual-haptic asynchronies that go unnoticed when touching an object. To perform a psychophysical study, however, we would need asynchronous visual-haptic stimuli, but because the contact of the …

The contributions of skin stretch and kinesthetic information to static weight perception

In this study, we examined the contributions of kinesthetic and skin stretch cues, in isolation and together, to the static perception of weight. In two psychophysical experiments, we asked participants either to detect on which hand a weight was …

Modality-specific temporal constraints for state-dependent interval timing

The ability to discriminate temporal intervals in the milliseconds-to-seconds range has been accounted for by proposing that duration is encoded in the dynamic change of a neuronal network state. A critical limitation of such networks is that their …

Timing and Time Perception: Procedures, Measures, & Applications

Timing and Time Perception: Procedures, Measures, and Applications is a one-of-a-kind, collective effort to present -theoretically and practically- the most utilized and known methods on timing and time perception.

Assessing Duration Discrimination: Psychophysical Methods and Psychometric Function Analysis

Predicting the binding mode of flexible polypeptides to proteins is an important task that falls outside the domain of applicability of most small molecule and protein−protein docking tools. Here, we test the small molecule flexible ligand docking …

Optimal Perceived Timing: Integrating Sensory Information with Dynamically Updated Expectations

The environment has a temporal structure, and knowing when a stimulus will appear translates into increased perceptual performance. Here we investigated how the human brain exploits temporal regularity in stimulus sequences for perception. We find …

Temporal Regularity of the Environment Drives Time Perception

It’s reasonable to assume that a regularly paced sequence should be perceived as regular, but here we show that perceived regularity depends on the context in which the sequence is embedded. We presented one group of participants with perceptually …