A device sold online to stimulate brain wave activity enhances theta wave activity in the brain and boosted performance on a memory test, UC Davis neuroscientists found. (Getty Images) The entrainment ...

This is a preview. Log in through your library . Abstract A poly-log time method to compute the truncated theta function, its derivatives, and integrals is presented. The method is elementary, ...

IN discussing algebraic curves and surfaces we have the choice of several distinct methods. Some authors rely upon Cremona transformations, by which the curve or surface is brought into correspondence ...

Theta waves are one of the five types of electrical pulses your brain produces. They tend to happen when you’re lightly sleeping, dreaming, or in a state of deep relaxation. Experts believe they play ...