Motion Perception

Have you ever tried this one? Mental simulation helps us understand biological motion

When you watch an athlete or dancer perform, does it ever feel like time is slowing down? That’s not just in your head! This phenomenon is known as time dilation, and it makes you feel like time is moving more slowly. This occurs when we observe complex biological motion, such as dancing or walking. For […]

Continue Reading

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 […]

Continue Reading

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 […]

Continue Reading

2 eyes, 4 targets, and 8 moving disks: Lagging gazes in object tracking

We keep track of multiple objects every day. When we drive, we need to keep track of the cyclist near the curb, the dump truck bearing down on us from behind, and the lost tourist in front of us who is signaling turns at random. When we are on the beach on a family outing, […]

Continue Reading

Don’t think about the pink elephant you are reaching for: automaticity of reading and arm movements

Imagine your daily commute. Think about 2+2. Don’t picture pink elephants. These examples illustrate the automaticity of cognition. On highly familiar routes, people habitually and automatically navigate, sometimes taking a familiar route absent-mindedly even when they needed to run an errand some place else. I’d be willing to bet that most people reading this couldn’t […]

Continue Reading