Retina literally means a net. And it’s a good description of the multi-layers system of cells that lines the back of the eye. There are receptors for color (3 types of cones) and shades of gray (rods). And lots of other neural structures that support the process. Vision has been studied extensively. So there is much to learn about how the eyes operate. [Read more…]
Memory disorders are not limited to the elderly. Several diseases can cause memory problems, some of them are more common as you age. [Read more…]
Intelligence is both easy and difficult to define. It is easy if you define it as a score on a test. It is difficult if you define it as abiity. [Read more…]
We all ask ourselves “Who Am I?” at some point in time. Popeye answers it as “I am what I am and that’s all that I am.” Aristotle reminds us that we are what we repeatedly do. [Read more…]
We all get “down” sometimes or feel happier than others. But that’s not a mood disoeder; it’s just normal fluctuation. [Read more…]