Spring 2018 Computational Methods — Final Projects

The goal of Computational Methods in Psychology and Neuroscience is to acquaint students with scientific computing, broadly speaking, but especially as it applies to psychology and neuroscience. Even so, it attracts students from a pretty wide swath of majors…. Read More

Perceiving Object Shape from Specular Highlight Deformation, Boundary Contour Deformation, and Active Haptic Manipulation

Haptic and visual ‘contours’ It is well known that motion facilitates the visual perception of solid object shape, particularly when surface texture or other identifiable features (e.g., corners) are present. Conventional models of structure-from-motion require the presence of… Read More

Haptic shape discrimination and interhemispheric communication

Touching. In three experiments participants haptically discriminated object shape using unimanual (single hand explored two objects) and bimanual exploration (both hands were used, but each hand, left or right, explored a separate object). Such haptic exploration (one versus… Read More

Creating noisy stimuli

So much noise. A method for creating a variety of pseudo-random `noisy’ stimuli that possess several useful statistical and phenomenal features for psychophysical experimentation is outlined. These stimuli are derived from a pseudo-periodic function known as multidimensional noise…. Read More

Perceptual representation of visible surfaces

What is a surface, anyway? Two experiments are reported in which we examined the ability of observers to identify landmarks on surfaces from different vantage points. In Experiment 1, observers were asked to mark the local maxima and… Read More

Complicated sports and movie watching

While I was on sabbatical in Gießen I was thrilled to have super (über?) fast internet and a nice television. Unfortunately for me, the good folks at Apple / Netflix / HBO / etc, don’t want people in… Read More

Gromitcam – in stereo

Back in 1997 I made a stereo webcam for keeping track of my dog, Gromit. I was rolling through some archives and found an image from January 1998. It used two Logitech golf-ball cams and a bunch of… Read More

You can take the boy out of architecture school

rat palace

This is a rodent enclosure for behavioral experiments. We printed the main cage, post retainers and lid with ABS from our uPrint and the ‘stay off the roof’ roof with our Formlabs in a nice, slick durable resin…. Read More

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This is a test of an embedded iframe of fun and joy. Please excuse anything annoying. Most sincerely.

Bouncing Balls

A phase-space plot of height v. exaggeration for two different types of balls with two different coefficients of restitution. Nothing important here, just a fun looking plot.        

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