Sensation and Perception

Making sense of 20 cents: Multimodal auditory pitch perception

Many of us have the impression that gestures and exaggerated facial expressions help us understand others in loud environments such as bars or conference parties. Speech perception in many contexts is multimodal – we incorporate visual information when trying to make sense of what someone else is saying. These cues are so consistently predictive of […]

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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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How the takete got its spikes: Why some words sound like what they are

Human beings have an incredible capability to communicate. Unlike other species, humans have evolved to use language to express our states, desires, observations, and, I guess, tweet about them. Language is a powerful system of communication because it allows the expression of counterfactuals: we can easily discuss the past and future; distant, unseen locations; complex […]

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When a flash a memory makes: Memorability of pictures in an RSVP task

What is it we remember, and why? Research in cognitive psychology has provided a broad and often very reliable sketch of the variables that determine memory performance. For example, recall of words is better when word repetitions are spaced rather than massed. To learn the Lithuanian word for cookie, you are better off spreading apart […]

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How long is a piece of string? It’s as long as it makes the object appear big

How long is a piece of string? We all know this proverbial and largely rhetorical question. We also probably assume that it has no right answer—indeed, that’s the point of this rhetorical question in the first place, namely to indicate that the issue under consideration does not have a meaningful answer. Enter the venerable BBC. […]

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Looking at Toto or Kansas: The Tyranny of Film versus Top-Down Cognition

What are your favorite, best-ever movie quotes? Is it “I’ll have what she’s having”? Or “Toto, I’ve a feeling we’re not in Kansas anymore”? What about “This is the beginning of a beautiful friendship”? If you are unsure, here is a list of the best 100 movie quotes of all time according to Hollywood. But […]

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Hungry Eyes See More Cookies: Food Deprivation and Perceptual Discrimination

Are you hungry, yet? How long has it been since you have eaten? Are you cranky and tired? I am as I write this piece.  I went on an unexpected food deprivation plan, thanks to a recent trip to Central America. I can’t wait to eat more than toast, applesauce, and bananas again. Food deprivation […]

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Muslims, Gays, and Vowels: Psychophysics Explains Biases in Demographic Estimates

What percentage of Americans are Muslim? What percentage of Americans are LGBT individuals? What percentage of Americans are Christian? Think about it and take real guesses. If you are like the average person, your guesses were likely overestimates of the real numbers for the smaller percentages (for Muslims; for LGBT), and underestimates for the larger […]

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Asking questions like an Italian: Get quick answers with your hands

What’s the first thing that comes to mind in response to “Italian”? Lots of things probably, from Lamborghini to cannelloni and Bertolucci. Perhaps you also thought of how Italians talk. Even if we don’t speak Italian, we probably know that Italians do a lot of talking with their hands: in case you have any doubt, […]

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