system". Is/ September. The Daily Telegraph reported a statement by Dr. E. G. Gray that the electron microscope could explore the structure of the brain and, in the end, reveal the significant changes underlying conditions such as psychosis, mental deficiency and epilepsy. 4th September. The opening in the Portobello Road of the second "worry clinic" for teenagers run by the Youth Studies and R...

This paper reconciles two widely used decompositions of GDP into trend and cycle that yield starkly different results. The BeveridgeNelson (BN) decomposition implies that a stochastic trend accounts for most of the variation in output, whereas the unobserved-components (UC) implies cyclical variation is dominant. Which is correct has broad implications for the relative importance of real versus...

This paper presents a critical study of the mechanical and electrical properties of the PHANToM haptic interface and improvements to overcome its limitations for applications requiring high-performance control. Target applications share the common requirements of low-noise/granularity/latency measurements, an accurate system model, high bandwidth, the need for an open architecture, and the abil...

To successfully apply evolutionary algorithms to the solution of increasingly complex problems, we must develop effective techniques for evolving solutions in the form of interacting coadapted subcomponents. One of the major difficulties is finding computational extensions to our current evolutionary paradigms that will enable such subcomponents to “emerge” rather than being hand designed. In t...

BIIbmdARY t a r r 7 a'j';QI 7 1`he peroxidative system involving hepatic catalase plays a major role in t e dation of 6 i c el a /^ ` i methanol in the rat (1), but in the monkey the peroxidative mechanism does not appear to ^0, J be important. This conclusion is based on the following observations: (a) ethanol and °r y methanol were about equally reactive with the peroxidative system, but etha...

Discharges from Broadmoor On August 3rd, Mr. Kenneth Robinson asked the Home Secretary what decisions he had made about patients in Broadmoor Hospital whose discharge had been recommended by the Mental Health Review Tribunal to whom applications had been referred by him. Mr. Butler said that in four out of the 88 cases which had so far been reviewed, the Tribunal had advised discharge; in two o...

This article discusses a more general and numerically stable Rybicki Press algorithm, which enables inverting and computing determinants of covariance matrices, whose elements are sums of exponentials. The algorithm is true in exact arithmetic and relies on introducing new variables and corresponding equations, thereby converting the matrix into a banded matrix of larger size. Linear complexity...

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An important question in neuroevolution is how to gain an advantage from evolving neural network topologies along with weights. We present a method, NeuroEvolution of Augmenting Topologies (NEAT), which outperforms the best fixed-topology method on a challenging benchmark reinforcement learning task. We claim that the increased efficiency is due to (1) employing a principled method of crossover...