10 min read · Aug 24th · Familiar categories of mental functions such as perception, memory and attention reflect our experience of ourselves, but they are misleading about how the brain works. More revealing approaches are…
Neuroscientists are the cartographers of the brain’s diverse domains and territories
It’s easy to show how things are not working. The hard part now is where to go from here.
3 min read · Sep 2nd · Computational neuroscientists taught an artificial neural network to imitate a biological neuron. The result offers a new way to think about the complexity of single brain cells.
3 min read · Sep 14th · The concept of dimension seems simple enough, but mathematicians struggled for centuries to precisely define and understand it.
One surprising consequence of Hausdorff’s definition is that objects could have non-integer dimensions.
The notion of dimension at first seems intuitive. Glancing out the window we might see a crow sitting atop a cramped flagpole experiencing zero dimensions, a robin on a telephone wire constrained to one, a pigeon on the ground free to move in two and an eagle in the air enjoying three.
5 min read · Aug 30th · New work shows that neurons and other brain cells use DNA double-strand breaks, often associated with cancer, neurodegeneration and aging, to quickly express genes related to learning and memory.
5 min read · Aug 17th · The most widely used technique for finding the largest or smallest values of a math function turns out to be a fundamentally difficult computational problem.
This result puts the brakes on what you could possibly shoot for.
Many aspects of modern applied research rely on a crucial algorithm called gradient descent. This is a procedure generally used for finding the largest or smallest values of a particular mathematical function — a process known as optimizing the function.