Attention guides human perception, memory, and action in intriguing ways. Some time ago on this blog we learned that visual search can be directed by conceptual information: Saying or reading a word such as “tomato” makes it easier to find red things. We also learned on this blog that looking at a tomato can help you touch […]
Humans, to judge from the amount we laugh, are apparently the most comical species. We use laughter as the best medicine, we laugh all the way to the bank, and we laugh so hard we forget to cry. From “hahahas” and LOLs, to guffaws, chuckles, giggles, cackles, and snorts, humans do appear to be the […]
Have you stood in line at the Louvre in Paris to catch a glimpse of famous Mona Lisa’s smile? People say that besides her ambiguous smile, her gaze tends to follow you, which might add to the mysterious aura that has been created around her for centuries. There is a considerable body of evidence that […]
Old Faithful but not El Capitan: multiple-choice pretesting helps learning about cronartium ribicola
Old Faithful…. Hayden Valley…. Mammoth Hot springs. Clearly I am talking about the natural wonders of Yellowstone National Park. Now try and answer the following question: What state does the majority of the park reside in? The choices are: (a) Idaho; (b)South Dakota; (c) Wyoming; (d) Montana. If you correctly picked Wyoming, you clearly know too […]
For many people, a trip to the beach is the highlight of the summer. The salty air, lounging on the sand, the sound of waves, swimming, drying off in the sun, the smell of sunscreen, a stack of beach reads. But first, it’s time to pack those suitcases… Where are the swimming suits again? How […]
It gives me great pleasure to introduce our new Digital Associate Editor, Dr. Anja Jamrozik, who joined our team a few weeks ago. Welcome, Anja, great to have you on the team. For future reference, Anja’s Psychonomics bio page is here, and she will be publishing her first post as Digital Associate Editor tomorrow. It’s actually her […]
Generating the angular velocities of planetary and annular gears: When self-generating explanations helps learning Tell me, how does a differential work? Can you explain it to me? All of us who drive or ride in cars rely on a differential to get us around corners under power, and yet not all of us know that […]
When more information leads to greater willingness to sacrifice: moral dilemmas and utilitarian accessibility Can it be moral to kill? Can we sacrifice a life to save many others? Or is killing always wrong? This fundamental question looms large in the philosophy of ethics. On the one hand, deontologists such as Immanuel Kant, argue that the morality […]
As a lecturer, I know my students but I do find it hard to keep track of which students are doing which modules and who graduated one vs two years ago. Complex group living requires animals to know and keep track of various relations between themselves and others. These could be seen in the form […]
We owe most of our visual acuity to our fovea, the area of the retina that is most densely packed with photo-receptive cones. Whenever we focus on an object, we move our eyes so that the image is projected onto this area that contains nearly 150,000 cone receptors per square millimeter. Anything that is projected onto […]