Posts Tagged ‘epilepsy’
More on Neurofeedback’s Brain Training Value
(Note: neurofeedback is a form of biofeedback that measures brain waves and that, according to practitioners, provides good “brain training” for specific clinical conditions). A few weeks ago Dr. David Rabiner wrote a great post on How Strong is the Research Support for Neurofeedback in Attention Deficits?, concluding that — “It is for these reasons that…
Read MoreMath Brain Teaser: Concentric Shapes or The Unkindest Cut of All, Part 2 of 2
If you missed Part 1, also written by puzzle master Wes Carroll, you can start there and then come back here to Part 2. Concentric Shapes: The Unkindest Cut of All, Part 2 of 2.Difficulty: HARDER Type: MATH (Spatial)Question:Imagine a square within a circle within a square.The circle just grazes each square at exactly four points.Find the ratio of the area of the larger square to the smaller.In this puzzle you are working out many of the same skills as in Part I: spatial visualization (occipital lobes), memory (temporal lobes), logic (frontal lobes), planning (frontal lobes), and hypothesis generation (frontal lobes).Click to read the Solution and Explanation.
Read MoreMath Brain Teaser: The Unkindest Cut of All, Part 1 of 2
Here is another mathematical puzzle from puzzle master Wes Carroll … The Unkindest Cut Of All, Part 1 of 2.Difficulty: HARD.Type: MATH (Spatial).Question:The area of a square is equal to the square of the length of one side.So, for example, a square with side length 3 has area (3^2), or 9. What is the area of a square whose diagonal is length 5?
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