Sensation and Perception

When Rain Man meets Braille: Tactile Subitizing and Numerosity Estimates

Put Tom Cruise and Dustin Hoffman together and you get Rain Man, the Academy-Award winning story of an autistic savant—played by Hoffman who received the Best Actor award for his performance—who turns out to have many unexpected talents. The clip below shows one famous scene, in which Hoffman knows within seconds that the waitress dropped […]

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You can obscure a lot by just plotting: Cognitive science of data presentation

“They began three and a half centuries ago,” writes Gernsbacher (2018, p. 403). They can delight us or frighten us, teach us and confuse us, intimidate us or encourage us. They are the base unit of productivity and the currency of academic prestige and advancement. “They,” of course, are scientific journal articles. The professional academic […]

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Safety Helmets: Dr. Jekyll when you crash but Mr. Hyde when you are judging distances?

Humans have a sort Dr. Jekyll/Mr. Hyde relationship with safety devices, such as helmets. For example, on the one hand bicycle helmets are known to reduce serious head injuries (by 70%, it turns out). On the other hand, helmets might also lead to more risky behavior. For instance, cyclists are often thought to ride faster […]

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Overcoming babble with a bubble: “Seeing” speech can make language faster to process

Recently, an error was found in this paper. The updated paper is here. —– Do you like talking on the phone to strangers? No? Well, neither do I. And for good reason – talking to someone you do not know over noisy speakers that lose part of the sound spectrum can be challenging, especially if […]

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The good, the bad, and the media multi-tasking: It’s all the internet’s fault. Or is it?

Apparently the internet, video games, and social media are damaging our children’s development, and are responsible for the increase in autism over the last few decades—or so it has been claimed, although that claim hasn’t withstood scrutiny. Similarly, Wikipedia has an entry for something known as Internet addiction disorder, which apparently occurs when internet use […]

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The eigenvalues of lightsabers and submerged golden hammers: Judging the length of an object from its rotational inertia

People are capable of inferring many attributes of an object by wielding it. Pick up a hammer and you can get a fairly good idea of its length, width, and shape (an ability that is known as exteroception). You will also acquire information about the orientation of the hammer in your hand (exproprioception), and your […]

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“It’s me”… When “it” could be anyone between Seinfeld and Philadelphia

Remember answering machines? Me neither, but this is why Seinfeld exists. When Jerry’s girlfriend, Sophie, leaves a message without stating her name (just, “it’s me!”), Jerry decides to call her back without stating his own name. Stripped of visual and contextual cues—Jerry’s face, what he’s wearing, his name—Sophie fails to identify him by just his […]

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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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