114 listener judges evaluated speech samples containing the fundamental frequency contour only of patients recorded during depression and after recovery. In 80% of the ratings the listeners could determine whether or not the recording emanated from the depressive pkaase. A group of conservatory students contained a significantly larger percentage of proficient raters than a group of law student...

Abstract For the delayed logistic equation x n +1 = ax (1 − −2 ) it is well known that nontrivial fixed point locally stable for 1 &lt; a ⩽ ( <mml:...