Vision

Visual impairments in Alzheimer’s are more common than you might think. A new test can help diagnose them.

We’ll start this one off with a bit of a test. Have a look at the images below – can you guess what they are? You might find a judgment like this a bit difficult, and tasks like this reveal that visual perception is much more than simply registering an image. To do this accurately, […]

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What do we mean by visual distraction? Inconceivable insights from 21 scientists

Have you ever had the experience of talking with someone and partway through, you realize that while you both might be using the same vocabulary, what you mean is quite different? Sometimes, this comes from a generational gap. Slang words change frequently, and some words don’t have the same meaning that they once did. For […]

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The difference of 10,000 hours: Expert surveillance viewers know exactly what to look for

I started trail running a year ago. I was an avid hiker, so I assumed that a marginal increase in my speed wouldn’t pose too much of a challenge. The bruises on my hands and legs served as stark reminders of my naiveté. However, despite the rocky start (pun intended), I gradually learned how to […]

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The distracting power of colorful food

Have you ever noticed that restaurants often advertise their food with vibrant, bright colors—highlighting every juicy morsel of the meal? The reasoning is simple: colorful photography makes the food more appetizing and makes us (the viewer) more likely to buy it. Some believe that this type of advertising even contributes to overeating habits when marketing […]

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A bright approach to eye movement analysis: Tools for studying the saccade main sequence

We’ll start this one off with a trivia question (and perhaps a bad joke). What do astronomers and researchers who study eye movements have in common? For one, they both have a keen interest in orbits! The other thing they have in common? When describing eye movements, vision researchers use a term that’s actually borrowed […]

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Knocking a longstanding theory of distance perception

Once upon a time, Kepler and Descartes proposed that vergence is the critical absolute distance cue. And that theory lived happily ever after. Until Paul Linton‘s paper. In this podcast, I interview Paul (pictured below) about his work published in the Psychonomic Society journal Attention, Perception & Psychophysics.  Learn about longstanding theories and Linton’s research […]

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When THREE or 3 makes 3 harder to RSVP: Negative priming in rapid serial visual presentation

William James famously said that the world is “one great blooming, buzzing confusion” to an infant whose sensory apparatus is “assailed by eyes, ears, nose, skin, and entrails at once.” As adults, we continue to be assailed by stimuli, but out attentional apparatus permits us to deal with the blooming and buzzing confusion quite well. […]

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Being fooled (or not) by Hyperrealistic masks: When “Five blimps” can reveal the Dark Knight

In October 2010, an elderly white man boarded an Air Canada flight bound from Hong Kong to Vancouver. During the flight, this passenger visited the bathroom and emerged an Asian man in his early 20s. No, this wasn’t an episode of Scooby Doo, this was an actual case where a hyperrealistic mask was used to […]

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