Distinguished Contributions to Engineering Psychology
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Motor Selection Dynamics in FEF Explain the Reaction Time Variance of Saccades to Single Targets
RESEARCH ARTICLE Motor selection dynamics in FEF explain the reaction time variance of saccades to single targets Christopher K Hauser, Dantong Zhu, Terrence R Stanford, Emilio Salinas* Department of Neurobiology and Anatomy, Wake Forest School of Medicine, Winston-Salem, United States Abstract In studies of voluntary movement, a most elemental quantity is the reaction time (RT) between the onset of a visual stimulus and a saccade toward it. However, this RT demonstrates extremely high variability which, in spite of extensive research, remains unexplained. It is well established that, when a visual target appears, oculomotor activity gradually builds up until a critical level is reached, at which point a saccade is triggered. Here, based on computational work and single-neuron recordings from monkey frontal eye field (FEF), we show that this rise-to- threshold process starts from a dynamic initial state that already contains other incipient, internally driven motor plans, which compete with the target-driven activity to varying degrees. The ensuing conflict resolution process, which manifests in subtle covariations between baseline activity, build- up rate, and threshold, consists of fundamentally deterministic interactions, and explains the observed RT distributions while invoking only a small amount of intrinsic randomness. DOI: https://doi.org/10.7554/eLife.33456.001 Introduction The reaction time (RT) represents the total time taken to perform all of the mental operations that may contribute to a particular action, such as stimulus detection, attention, working memory, or motor preparation. Although the importance of the RT as a fundamental metric for inferring the *For correspondence: mechanisms that mediate cognition cannot be overstated (Welford, 1980; Meyer et al., 1988), [email protected] such reliance is a double-edged sword. -
Timing Accuracy of Web Applications on Touchscreen and Keyboard Devices
Behavior Research Methods https://doi.org/10.3758/s13428-019-01321-2 Mental chronometry in the pocket? Timing accuracy of web applications on touchscreen and keyboard devices Thomas Pronk1,2 & Reinout W. Wiers1 & Bert Molenkamp1,2 & Jaap Murre1 # The Author(s) 2020 Abstract Web applications can implement procedures for studying the speed of mental processes (mental chronometry) and can be administered via web browsers on most commodity desktops, laptops, smartphones, and tablets. This approach to conducting mental chronometry offers various opportunities, such as increased scale, ease of data collection, and access to specific samples. However, validity and reliability may be threatened by less accurate timing than specialized software and hardware can offer. We examined how accurately web applications time stimuli and register response times (RTs) on commodity touchscreen and keyboard devices running a range of popular web browsers. Additionally, we explored the accuracy of a range of technical innovations for timing stimuli, presenting stimuli, and estimating stimulus duration. The results offer some guidelines as to what methods may be most accurate and what mental chronometry paradigms may suitably be administered via web applications. In controlled circumstances, as can be realized in a lab setting, very accurate stimulus timing and moderately accurate RT mea- surements could be achieved on both touchscreen and keyboard devices, though RTs were consistently overestimated. In uncontrolled circumstances, such as researchers may encounter online, stimulus presentation may be less accurate, especially when brief durations are requested (of up to 100 ms). Differences in RT overestimation between devices might not substantially affect the reliability with which group differences can be found, but they may affect reliability for individual differences. -
Psychological Bulletin
Vol. 19, No. 8 August, 1922 THE PSYCHOLOGICAL BULLETIN CONTRIBUTIONS TO THE HISTORY OF PSYCHOLOGY— 1916-1921 By COLEMAN R. GRIFFITH University of Illinois Contributions to the history of psychology since 1915 fall nat- urally into two groups. There are, on the one hand, the systematic and the experimental studies which have made the science six years older. There are, on the other hand, the historical and biographical notes and the large and searching retrospections which relate con- temporary psychology to earlier stages in the development of the science. It is to an enumeration of these contributions that the present paper is devoted. We cannot, of course, comment in detail upon the character of contemporary psychology, for an historian, speaking of his own times is like the Hawaiian surf-rider who seeks to judge the incoming tide from his experiences while riding a single wave; but it is possible to get a certain amount of information about the current trend of a science by considering events of various kinds which reflect or which have, presumably, influenced its general course. These events taken in conjunction with what appear, at the present moment, to be outstanding experimental and systematic studies may give a suggestion of the history of the last few years. In psychology, as well as in many other sciences, the most important event, during the period under survey, was the World War. The science of psychology was, as all know, well on the way toward complete mobilization for military purposes when the war ended. Since many of the consequences of this reorganization have not yet appeared, a detailed account of this aspect of the period must fall to a future historian. -
SIC Bibliography 17
Scientific Instrument Commission Bibliography 17 Seventeenth bibliography of books, pamphlets, catalogues, articles on or connected with historical scientific instruments. This bibliography covers the year 2000, but also contains earlier publications which only came to the compiler's notice after publication of the Sixteenth Bibliography in June 2000. The compiler wishes to thank those who sent titles for inclusion in this bibliography. Publications, or notices of publication (please with ISBN) for the forthcoming bibliography, covering the year 2001, may be sent to: Dr. P.R. de Clercq Secretary of the Scientific Instrument Commission 13 Camden Square London NW1 9UY United Kingdom E-mail: [email protected] ABGRALL, P., 'La géometrie de l'astrolabe au Xe siècle', Arabic Sciences and Philosophy 10 (March 2000), 7-78 AKPAN, Eloise, The story of William Stanley: a self-made man (London: published by the author, 2000). 128 pages, illustrated. Available from the author at [email protected] Stanley was a scientific instrument-maker, but also engaged in many other activities, described in this book. ALDINGER, Henry and CHAMBERLAIN, Ed, 'Gilson Slide Rules - Part I - The Small Rules' and 'Gilson Slide Rules - Part II - The Large Rules', Journal of the Oughtred Society 9, nr. 1 (Spring 2000), 48-60 and nr. 2 (Fall 2000), 47-58. The Gilson Slide Rule Co. was formed by Claire Gilson in Michigan in 1915. ARIVALDI, Mario, 'Medieval monastic sundials with six sectors: an investigation into their origins and meaning', British Sundial Society Bulletin 12 (2000), 109-115 BAGIOLI, Mario, 'Replication or Monopoly? The Economies of Invention and Discovery in Galileo's Observations of 1610', Science in Context 13, vol. -
The Psychophysiology of Novelty Processing
University of South Florida Scholar Commons Graduate Theses and Dissertations Graduate School January 2013 The syP chophysiology of Novelty Processing: Do Brain Responses to Deviance Predict Recall, Recognition and Response Time? Siri-Maria Kamp University of South Florida, [email protected] Follow this and additional works at: http://scholarcommons.usf.edu/etd Part of the Biological Psychology Commons Scholar Commons Citation Kamp, Siri-Maria, "The sP ychophysiology of Novelty Processing: Do Brain Responses to Deviance Predict Recall, Recognition and Response Time?" (2013). Graduate Theses and Dissertations. http://scholarcommons.usf.edu/etd/4703 This Dissertation is brought to you for free and open access by the Graduate School at Scholar Commons. It has been accepted for inclusion in Graduate Theses and Dissertations by an authorized administrator of Scholar Commons. For more information, please contact [email protected]. The Psychophysiology of Novelty Processing: Do Brain Responses to Deviance Predict Recall, Recognition, and Response Time? by Siri-Maria Kamp A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy Department of Psychology College of Arts and Sciences University of South Florida Major Professor: Emanuel Donchin, Ph.D. Yael Arbel, Ph.D. Kenneth J. Malmberg, Ph.D. Geoffrey F. Potts, Ph.D. Kristen Salomon, Ph.D Date of Approval: July 11, 2013 Keywords: Event-related potentials, pupillometry, P300, Novelty P3, oddball paradigm Copyright © 2013, Siri-Maria Kamp -
Timing Life Processes
1st International Conference on Advancements of Medicine and Health Care through Technology, MediTech2007, 27-29th September, 2007, Cluj-Napoca, ROMANIA Timing Life Processes Dana Baran Abstract — Natural clocks such as planet movements and biological timekeeping gears inspired artificial timers including water clocks, sandglasses, mechanical, electric and finally electronic systems. Contemporary medicine and biology reconsiders temporal morphogenetic and functional patterns interpreting life processes as highly sophisticated clockworks, liable to mathematical modelling and quantification. Chronobiology and chronomedicine opened a vast theoretical and applicative field of interest. Keywords: chronobiology, temporal monitoring devices, biological clock, mathematical modelling. 1. INTRODUCTION exogenous synchronizers periodically adjust to the cosmic time. [2] At the very beginning, breathing and heart rate, Throughout the centuries the perspective on biological pulse frequency, menstrual cycles and vital forces were phenomena temporal dimension, i.e. on their dynamic perceived as led by rhythmic vibrations of the stars, the sun structure and function, followed several synchronic and and the moon. Nature exhibited both clocks and calendars! diachronic patterns, possibly defined as astromy Now living beings are usually forced to disrupt their innate thological, cosmobiological, mechanistic, physico- biorhythms and adapt to man-made temporal cues imposed chemical, statistico-mathematical, physiological, psy by shift work, jet travel, abundance of vegetables and chological or philosophical insights. [1] After 1950, animal products, irrespective of time of day or season, in scientists started to elaborate a coherently integrated vitro fertilization, cloning and genetic manipulation which multidisciplinary and even transdisciplinary approach to equally play with biological time and social destinies. biological rhythms. Largely known as chronobiology, it lately generated a medical subdivision: chronomedicine. -
Characterizing the Dynamics of Mental Representations: the Temporal
Opinion Characterizing the dynamics of mental representations: the temporal generalization method 1,2,3 1,2,4,5 J-R. King and S. Dehaene 1 Cognitive Neuroimaging Unit, Institut National de la Sante´ et de la Recherche Me´ dicale, U992, F-91191 Gif/Yvette, France 2 NeuroSpin Center, Institute of BioImaging Commissariat a` l’Energie Atomique, F-91191 Gif/Yvette, France 3 Institut du Cerveau et de la Moelle E´ pinie` re Research Center, Institut National de la Sante´ et de la Recherche Me´ dicale, U975 Paris, France 4 Universite´ Paris 11, Orsay, France 5 Colle` ge de France, F-75005 Paris, France Parsing a cognitive task into a sequence of operations is series of steps from those operating as a continuous flow or a central problem in cognitive neuroscience. We argue ‘cascade’ of overlapping stages [5]. that a major advance is now possible owing to the More recently, the advent of brain-imaging techniques application of pattern classifiers to time-resolved record- has provided unprecedented access into the content and ings of brain activity [electroencephalography (EEG), the dynamics of mental representations. EEG, MEG, local magnetoencephalography (MEG), or intracranial record- field potentials, and neuronal recordings can provide a ings]. By testing at which moment a specific mental fine-grained dissection of the sequence of brain activations content becomes decodable in brain activity, we can (e.g., see [6,7]). Here we show how the analysis of these characterize the time course of cognitive codes. Most time-resolved signals can be enhanced through the use of importantly, the manner in which the trained classifiers multivariate pattern analysis (MVPA), also known infor- generalize across time, and from one experimental con- mally as ‘decoding’. -
Organizing Knowledge and Behavior at Yale's Institute of Human Relations Author(S): J
Organizing Knowledge and Behavior at Yale's Institute of Human Relations Author(s): J. G. Morawski Source: Isis, Vol. 77, No. 2 (Jun., 1986), pp. 219-242 Published by: University of Chicago Press on behalf of History of Science Society Stable URL: http://www.jstor.org/stable/232650 Accessed: 22-12-2015 00:42 UTC Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at http://www.jstor.org/page/ info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. History of Science Society and University of Chicago Press are collaborating with JSTOR to digitize, preserve and extend access to Isis. http://www.jstor.org This content downloaded from 129.133.6.95 on Tue, 22 Dec 2015 00:42:52 UTC All use subject to JSTOR Terms and Conditions Organizing Knowledge and Behavior at Yale's Institute of Human Relations By J. G. Morawski* IN 1929 JAMES ANGELL, president of Yale, announced plans for a unique teaching and research center for those fields "directly concerned with the problems of man's individual and group conduct. The purpose is to correlate knowledge and coordinate technique in related fields that greater progress may be made in the understanding of human life. The time has certainly come once again to attempt a fruitful synthesis of knowledge." The New York Times described the experiment as dismantling the disciplinary "Great Wall of China" and compared it with the Renaissance transformation of knowledge.1 The Insti- tute of Human Relations (IHR), as the center was named, received over $4.5 million from the Rockefeller Foundation for its first decade of operation. -
Psychologists and Physicians in the Borderlands of Science, 1900-1942
PSYCHOLOGISTS AND PHYSICIANS IN THE BORDERLANDS OF SCIENCE, 1900-1942 By WADE EDWARD PICKREN A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY UNIVERSITY OF FLORIDA 1995 For my mother: WILLIE MERLE PICKREN, and in memoriam, BILL PICKREN, You taught me to love and work. ACKNOWLEDGEMENTS I wish to express my deepest gratitude to the chairman of my dissertation committee, Donald A. Dewsbury. Dr. Dewsbury has, from the beginning of this long project, been a model of encouragement, kindness, and unfailing generosity. He has shared his time, his great breadth of learning, his editorial ability, and his materials with me. My understanding of the history of psychology has been greatly deepened by our conversations. I also wish to acknowledge that Dr. Dewsbury has helped me to understand that data is a plural! Dr. Wilse B. Webb has also stimulated much thought in me about what I was doing and where I was going with my ideas. Although I did not avail myself of his wisdom as oft as I would have liked, his voice and his sharp eye were always with me. I hope that, in the future, time will allow me a greater opportunity to benefit from his great knowledge and experience. Both near at hand and from afar, Dr. Toby Appel has blessed me with the keenness of her insight . Her acceptance and friendly corrections of my halting efforts to write history have been much appreciated. One of my most pleasant memories of this experience is that of sitting at a table at iii Cafe Gardens talking about the history of biology or psychology, while hoping to hear some Van Morrison on the house music system. -
Points of View in the Modern History of Psychology
Points of View in the Modern History of Psychology Edited by Claude E. Buxton Department of Psychology Yale University New Haven, Connecticut 1985 ACADEMIC PRESS, INC. (Harcourt Brace Jovanovich, Publishers) Orlando San Diego New York London Toronto Montreal Sydney Tokyo Passages from the following are reprinted by permission of the publishers: Newell, Α., Duncker on Thinking, in S. Koch & D. Leary (Eds.), A Century of Psychology as Science. Copyright 1985 by McGraw-Hill. Neisser, U., Cognitive Psychology. © 1967 by Prentice-Hall. COPYRIGHT © 1985 BY ACADEMIC PRESS, INC. ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR BY ANY MEANS, ELECTRONIC OR MECHANICAL, INCLUDING PHOTOCOPY, RECORDING, OR ANY INFORMATION STORAGE AND RETRIEVAL SYSTEM, WITHOUT PERMISSION IN WRITING FROM THE PUBLISHER. ACADEMIC PRESS, INC. Orlando, Florida 32887 United Kingdom Edition published by ACADEMIC PRESS INC. (LONDON) LTD. 24-28 Oval Road, London NW1 7DX LIBRARY OF CONGRESS CATALOGING IN PUBLICATION DATA Main entry under title: Points of view in the modern history of psychology. Includes indexes. 1. Psychology— History. I. Buxton, Claude E. BF81.P57 1985 150\9 85-4010 ISBN 0-12-148510-2 (alk. paper) PRINTED IN THE UNITED STATES OF AMERICA 85 86 87 88 9 8 7 6 5 4 3 2 1 Contributors Numbers in parentheses indicate the pages on which the authors' contributions begin. Mitchell G. Ash (295), Department of History, University of Iowa, Iowa City, Iowa 52242 William Bevan (259), John D. and Catherine T. MacArthur Foundation, Chicago, Illinois 60603 Arthur L. Blumenthal (19, 51), Department of Psychology, University of Massachusetts at Boston, Boston, Massachusetts 02125 Claude E. -
HANDBOOK of PSYCHOLOGY: VOLUME 1, HISTORY of PSYCHOLOGY
HANDBOOK of PSYCHOLOGY: VOLUME 1, HISTORY OF PSYCHOLOGY Donald K. Freedheim Irving B. Weiner John Wiley & Sons, Inc. HANDBOOK of PSYCHOLOGY HANDBOOK of PSYCHOLOGY VOLUME 1 HISTORY OF PSYCHOLOGY Donald K. Freedheim Volume Editor Irving B. Weiner Editor-in-Chief John Wiley & Sons, Inc. This book is printed on acid-free paper. ➇ Copyright © 2003 by John Wiley & Sons, Inc., Hoboken, New Jersey. All rights reserved. Published simultaneously in Canada. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4470, or on the web at www.copyright.com. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, e-mail: [email protected]. Limit of Liability/Disclaimer of Warranty: While the publisher and author have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. No warranty may be created or extended by sales representatives or written sales materials. -
Fellowship, Fall/Winter 2017
feThe Newsletterll of the Woodrowow Wilson National Fellowshipsh Foundationip FALL/WINTER 2017 WW Academy Receives Degree-Granting Authority; Design Fellows Begin Work t the end of October, the Woodrow Wilson Academy Aof Teaching and Learning was formally approved as a graduate school by the Massachusetts Board of Higher Education. The competency-based master’s in education degree offered by the WW Academy will blend online, face-to-face, and clinical education to prepare graduates for 21st-century classrooms. In 2015, the Woodrow Wilson National Fellowship Foundation announced its intent to develop competency-based master’s degree programs in teaching and school leadership through the new WW Academy. In 2016, the Commonwealth of Massachusetts granted informal approval for the Academy to offer initial, post-baccalaureate licensure for middle and The 2017-18 WW Academy Design Fellows (L to R): Mustafa Abdul-Rahim, secondary school teachers in biology, chemistry, and math. Breauna Campbell, Alexandra Trunnell, Jane Strauch, Jason Heitler-Klevans, Lucinda Robinson, Katarina Rolf, Xavier Tirado, Doyung Lee, Genevieve O'Connell. In September, the WW Academy’s inaugural class of Design “I really knew I wanted to walk into my first classroom being as Fellows set about their work helping Academy faculty and staff prepared as I possibly could be. It’s so amazing here that not redesign teacher preparation. The ten Fellows will spend the only is someone teaching me how to teach, but I also get to think next year testing and refining the WW Academy’s curriculum about what might be the best way for me to learn,” says Ms.