Developing Intelligence

Archives for June, 2007

Blogging on the Brain: 6/08

Recent highlights from the best in brain blogging: “Brain training” games that are actually fun! Also check out the Lumosity blog. It seems like they understand the reward structure of good games. Tonal similarities between music and language. Genetic differences between speakers of tonal and non-tonal languages – critique at the excellent Language Log, including…

The neural processing of color, shape, and location appears to be widely separated in the brain, and yet our subjective experience of the world is highly coherent: we perceive colored shapes in particular locations. How do these distributed representation about visual features get brought or “bound” together to form an integrated percept? Charles Gray suggests…

Some people experience an intermingling of the senses, known as synaesthesia, in which certain shapes become combined or “bound with” certain colors, or that certain colors are strongly associated with certain sounds. Of course, in healthy normal adults, color and shape become bound together only when visible shapes really are visibly colored – a process…

How do you know what’s where? Cognitive psychologists believe this requires “binding” – the ability to associate certain colors or shapes with each other and with certain locations in space, giving rise to a coherent perception of the world. It turns out that at least one unlucky person lacks this ability we often take for…

Suppose that one day your computer’s hard drive stops working, but everything else about the machine is fine. Your friend has an identical computer in which the hard drive works fine, but the keyboard suddenly stopped working. Based on this “double dissociation” between the two different problems, can you safely assume that the “hard drive…