Knowing without knowing
![Image](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiowqA2f6KOEBl_w5Js_fKB8BN-vETGqE3z3lUGZeHRC3hj1WbrOb2XVYuRYl-9qAvLi2Yxh85DTEO33ARadEHIWchefH-MKTJQcafgM_GL1JgiMtUNHkTFJQQR2kOIIjyVRZe8rVXr1roH/s320/tune+deafness.png)
I have a new post over on the Scientific American Mind Matters website. It describes new research which suggests that tune deafness and face blindness - two examples of conditions known as agnosias, both of which can be genetic - are caused not by a failure of the brain to recognise previously seen faces or detect incongruous musical notes, but a failure to communicate these events to frontal brain regions where conscious awareness is triggered. In essence, your brain knows something but can't tell you. Read more...