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| | [Islam-Online- Psychology] |
 | | Psychophysics, already related to psychology and physics by name, must on the one hand be based on psychology and on the other hand give psychology a mathematical foundation. | | | By psychophysics, Fechner meant a theory which was new insofar as its formulation and treatment are concerned; in short, it was a theory of the relation of body and mind. | | | Many historians of psychology consider Fechner to be the founder of psychophysics and thus the founder of quantitative psychology. |
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http://www.islamonline.net/IOL-English/qadaya/psychology-1/psychology3.asp
(1053 words)
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| | Psychophysics - Wikipedia, the free encyclopedia |
| | Psychophysics is the branch of psychology dealing with the relationship between physical stimuli and their perception. | | | While the majority of research has been done on vision, the discipline covers all the senses; papers have even been published on extrasensory perception, although more prosaic alternatives like hearing, taste, touch (including skin and enteric perception), and smell are the more prevalent. |
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http://en.wikipedia.org/wiki/Psychophysics
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| | Psychophysics Laboratory -- Home |
| | Psychophysics is the area of psychology that deals with the relationships between the physical properties of stimuli and the resulting sensations to which they give rise. | | | To investigate the "psychophysical function" a psychophysist controls one or more of the physical aspects of the stimulus, and records the effects this manipulation has on the processing of that stimulus by examining the responses made by an observer. | | | For example, the force used in hitting a piano key will affect the intensity of the resulting tone, and consequently how loud we perceive it to be, while the choice of key determines the frequency content of the tone, and thereby our consequent perception of its pitch. |
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http://www.psych.auckland.ac.nz/Psych/research/psychophysics
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| | BBC - h2g2 - Psychophysics |
| | Psychophysics is related to psychology because it concerns human behaviour and human mental abilities. | | | Psychophysics is the study of how our brains use the information from our senses. | | | And things are improving in the psychophysical toolshed: more complex (and hence more realistic) stimuli are beginning to be used, and techniques for analysis are getting slowly better. |
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http://www.bbc.co.uk/dna/h2g2/A373105
(970 words)
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| | shorst.psychophysics.spp97 |
| | A neuroscientific theory that fails to duplicate the psychophysics of human perception is an inadequate theory of perception. | | | Second, the mental states that appear in psychophysics under phenomenological descriptions appear not as the posits, but as the data for theoretical psychology, and thus are not so readily subject to elimination as a consequence of theory change. | | | Given a mismatch between psychological theory and psychophysical data, it is theory that is regarded as suspect. |
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http://shorst.web.wesleyan.edu/papers/shorst.psychophysics.spp97.html
(3892 words)
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| | Psychophysics -- Facts, Info, and Encyclopedia article |
| | Psychophysics is the branch of (The science of mental life) psychology dealing with the relationship between physical (Click link for more info and facts about stimuli) stimuli and their (The process of perceiving) perception. | | | Hot and cold, for example, are psychological scalings of temperature stimuli for which such physical measures as degrees (Swedish astronomer who devised the centigrade thermometer (1701-1744)) celsius provide only physical units. |
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http://www.absoluteastronomy.com/encyclopedia/p/ps/psychophysics.htm
(110 words)
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| | Psychophysics |
| | Psychophysics is the attempt to find the physics of the body. | | | One of the places psychology started was in the field of psychophysics. | | | Modern psychophysical research has generally abandoned the Weber-Fechner law, and instead uses a Power Law, a log-log relationship between stimulation and perception that yields straight lines. |
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http://peace.saumag.edu/faculty/Kardas/Courses/GPWeiten/C4SandP/Psychophysics.html
(397 words)
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| | [No title] |
| | Modern psychophysics in the context of cognitive and neuro sciences In a more modern sense, psychophysics typically refers to behavioral and cognitive study of brain/mind functions in both humans and animals. | | | -Modern psychophysics as a part of behavioral sciences (cf. | | | behaviorism, animal psychophysics) -Psychophysics today: Main body of visual sciences Helmholtz "unconscious inference" (see slides) Marr "ambiguity solving by constraints" Pylyshyn "cognitive impenetrability" Fodor "modularity" -Study of competence as opposed to that of performance (Chomsky) -Constraining (and being constrained by) theory/ algorighm/implementation (Marr, 1982) 3. |
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http://www.klab.caltech.edu/cns186/intro_psychophys.txt
(614 words)
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| | Postgraduate Diploma of Clinical Psychophysics - Academy of Human Sciences |
| | However practical application of the techniques in a professional manner is all important and for the most part the course is structured for a “hands on” development of your expertise. | | | This intensive course of 40 hours of lectures, practical work, experimentation, examination and discovery is structured so as to help you to achieve a professional standard of Clinical Psychophysics and clinical practice. | | | A course for graduates of 101 leading to the development of more powerful professional techniques in the practice of bio-energetic manipulation. |
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http://www.humansciences.net.au/courses/PostgraduateDiplomaofClinicalPsychophysics/content.htm
(1263 words)
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| | Webvision: Psychophysics of Vision by Michael Kalloniatis OD, PhD and Charles Luu OD |
| | The discipline, known as psychophysics [psycho = perception and physics = physical nature of the stimulus] is an essential discipline for probing perception. | | | Psychophysical methods and procedures are useful in determining threshold, including visual field analysis. | | | In the chapter that follows, we outline common psychophysical procedures and methods in use today, likely to be encountered in vision science, optometry and ophthalmology. |
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http://www.webvision.med.utah.edu/Psych1.html
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| | PSYCHOPHYSICS |
| | A good summary of many psychophysical studies conducted here was recently captured by one of the most prominent scientists of the visual sciences community, a cornerstone member of SRI's Visual Sciences Program who worked here for more than 25 years, Don Kelly, in his book: "Visual Science and Engineering", published by Dekker in 1994. | | | In the general paradigm of visual psychophysics, a human subject is presented with accurately controlled stimuli, and in certain prescribed ways, is asked what he sees. | | | From the results of these experiments inferences can be made about the nature of visual processes. |
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http://www.ai.sri.com/~vision/psycho.html
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| | hermann von helmholtz and the psychophysics of perception |
| | It should be noted that, while Helmholtz did psychophysical experimentation in both vision and sound, the analysis here will be confined to an examination of the latter for reasons of clarity and space. | | | Sound moves through the air in waves, causing vibrations which are channeled from the pinna (adjustable in such animals as cats and dogs to help funnel sounds, but basically useless appendages in "evolved" humans) along the auditory canal, a tube about three centimeters long which ends at the eardrum (Acoustical, 80). | | | In the reality of this reader's world, the practical point of view requires a prerequisite of Physics 101 to fully grasp the author's piggybacking formulaic profferings, their apologetic presentation notwithstanding. |
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http://www.theater2k.com/HermEssay.html
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| | Experiments in Nonlinear Psychophysics |
| | Both laws assume that changes in responses within the organism are directly proportional to changes in the level of external stimulation. | | | The gamma recursion displays a variety of complex behaviors, including chaotic dynamics; and it does plausibly simulate psychophysical response functions. | | | Neurophysiological and psychological research suggests that perceptual processes are best described by non-linear dynamics. |
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http://goertzel.org/dynapsyc/1996/takuo.html
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| | Division of Perception and Psychophysics, Department of Psychology |
| | The central theme is to seek lawful relationships between perceptual events, psychophysical reactions, and physical descriptors. | | | Division of Perception and Psychophysics, Department of Psychology | | | The Division's research is experimentally oriented with a main emphasis on problems in various sense modalities including the perception of sound, exertion, color, form, motion, odor, taste, time, somatosensations, and pain. |
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http://www.psychology.su.se/units/pp/indexeng.html
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| | Frame of Reference Models in Psychophysics |
| | Furthermore, the dynamic character of contextual shifts and their impact on present theories in behavioral psychophysics with humans and animals is outlined; thereby, the mnestic basis of psychophysical responses is also considered (perceptual memory). | | | One major aspect of this kind of research is related to the wellknown context effects on perceptual judgments in general, and on measurements of subjective appearances in particular. | | | The influence of different perceptual-cognitive frames of references constitutes a challenging problem in psychophysics, both from a theoretical and an applied point of view. |
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http://www.erlbaum.com/kaernbach/ch04
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| | [No title] |
| | Perception and Psychophysics covers all areas of research in sensory processes, perception, attention, and psychophysics. |
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http://psychonomic.org/PP
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| | Software for visual psychophysics, V 4.4, May 2004 |
| | Besides the more specialised psychophysical experimenting systems there are also a number of excellent general-purpose psychology experimenting systems. | | | QUEST.ma is an adaptive psychometric procedure for use in psychophysical experiments. | | | Psychophysica is a collection of Mathematica 'Notebooks' containing functions for collecting and analyzing data and presenting stimuli in psychophysical experiments. |
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http://www.visionscience.com/documents/strasburger.html
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| | Shimojo Laboratory Home Page |
| | The Shimojo Psychophysics Laboratory is the only laboratory on the campus of the California Institute of Technology which exclusively concentrates on study of perception, cognition, and action in humans. | | | We are looking for infants ages 4 weeks to 3 years to participate in our infant studies program. | | | Employing a variety of techniques such as eye tracking, TMS (Transcranial Magnetic Stimulation), fMRI, EEG, as well as more traditional psychophysical paradigms, we try to bridge the gap between cognitive and neuro sciences. |
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http://neuro.caltech.edu
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| | Psychtoolbox - Introduction |
| | The Psychophysics Toolbox is a free set of Matlab functions for vision research (Brainard, 1997; Pelli, 1997). | | | Mentioning the VideoToolbox by name isn't important, so we've dropped it from the suggested citation, above, but citing the active contributions of both authors is important, as we both want credit for our contributions to your research. | | | "We wrote our experiments in Matlab, using the Psychophysics Toolbox extensions (Brainard, 1997; Pelli, 1997)." |
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http://www.psychtoolbox.org/intro.html
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| | Psychophysics |
| | * Fechner = father of experimental psychology, founder of psychophysics |
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http://www.ucalgary.ca/~mueller/P305/PsychoPhysics.html
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| | Mammalian Psychophysics Lab |
| | The mammalian psychophysics lab includes three separate facilities for behavioral experiments using chinchillas and rats as subjects. | | | A view of part of one of the two sound-proof booths used to study the behavior of chinchilla in psychoacoustic experiments. | | | Experiments for studying auditory processing are carried out under the control of Gateway computers; hardware for generating stimuli, monitoring the response lever switches, and controlling the pellet dispensers are based on Tucker-Davis Technologies modules. |
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http://www.parmly.luc.edu/parmly/mam_psycho_lab.html
(175 words)
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| | Gustav Fechner and Psychophysics |
| | From this inspiration Fechner invented 'psychophysics', a very useful study of the relationship between stimulus intensity and subjective experience (detection) of the stimulus. | | | The techniques he invented opened the door to the scientific study of mind, combining manipulation of quantifiable, physical, stimuli with subjective reports of stimulus perception. | | | On the morning of October 22, 1850--an important date in the history of psychology--Fechner had an insight that the law of the connection between the mind and the body can be found in a statement of quantitative relation between mental sensation and material stimulus." |
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http://www.psych.utah.edu/gordon/Classes/Psy4905Docs/PsychHistory/Cards/Fechner.html
(189 words)
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| | The Psychophysics Psyber Lab |
| | This description is functional, because the processes of the sensory systems are of interest, rather than their structure (physiology). | | | One psychophysical theory, the Theory of Signal Detectability (TSD), uses a combination of statistical decision theory and the concept of the ideal observer to model an observer's sensitivity to events in its environment. | | | Psychophysics is concerned with describing how an organism uses its sensory systems to detect events in its environment. |
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http://www.psychophysics.org
(961 words)
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| | UCB Vision Science: Psychophysics |
| | Gunilla Haegerstrom-Portnoy, O.D. Ph.D. Clinical pyschophysics and basic aspects of human color vision, changes in vision with age, achromatopsia, electrodiagnostics. | | | Dennis Levi, Ph.D. Mechanisms of pattern vision, and the influence of abnormal visual development on those mechanisms | | | Stanley A. Klein, Ph.D. Spatial vision modeling, psychophysical methods and vision test design, corneal topography and contact lens design, source localization of evoked potentials, fMRI, amblyopia. |
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http://vision.berkeley.edu/VSP/content/research/psychophysics.html
(308 words)
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| | Mathematical Psychophysics Laboratory |
| | Psychophysics is defined as the branch of psychology concerned with quantitative relations between physical stimuli and perceptual events. | | | You may also want to see a draft of my research in this area as of Mar. 5, 2005. | | | Mathematical psychophysics, however, adds the requirement that the stimulus has a mathematically described form and/or that the perceptual event also has a mathematical aspect. |
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http://www.georgetown.edu/faculty/kainen/lab.html
(360 words)
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| | PSYCHOPHYSICS - LoveToKnow Article on PSYCHOPHYSICS |
| | Following the introspective school of which the last leader was Alexander Bain, the tendency of psychological investigation, in the hands of Fechner, Helmholtz, Wundt, Munsterberg, was predominantly psychophysical, and psychological study, especially in Germany, where the first fullyequipped laboratory was set up in Leipzig (1879) by Wundt, and in. | | | Among important apparatus for measuring the time relations of mental processes are the dArsonval chronometer, which marks hundredths of a second, and the Ilipp chronoscope~ in which the stimulus and the clock are electrically connected. | | | America became largely a matter of experiment and apparatus. |
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http://www.1911encyclopedia.org/P/PS/PSYCHOPHYSICS.htm
(172 words)
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| | CASCADES AND FIELDS IN PERCEPTUAL PSYCHOPHYSICS |
| | Fundamental relationships between core processes of psychophysics in time and space, and recurrent quantitative or topological distortions of the physical world which arise in perception, are given a treatment which contrasts fundamentally with traditional linear equations in use since the 19th century. | | | Psychophysics is by definition mappings between events in the environment and levels of human sensory responses. | | | In this text the methods of nonlinear dynamics, employing trajectories developed for simpler sensory modelling, are extended to classes of problems which lie at the interface between sensation and perception. |
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http://www.worldscibooks.com/chaos/2811.htm
(181 words)
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| | Mathematical Psychophysics |
| | As Nietzsche says, ``One must learn to love.'' It is not so simple to think psychophysically, keeping awareness of mathematical aspects of the basic senses. | | | As I have mentioned, psychophysics involves many aspects of biology and so it is perhaps not surprising that it has such organic requirements. | | | For life surely requires (perhaps it _is_) motivation and also life is very slow. |
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http://www.georgetown.edu/faculty/kainen/math-psy.html
(257 words)
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| | Sensation: Thresholds and Psychophysics |
| | Fechner called the field of study than examines the relationship between the physical stimulus and its psychological representation Psychophysics. | | | After independently rediscovering Weber's Law, Fechner went Weber one better by showing that, with Weber's Law and the addition of a simple and reasonable assumption, one could determine the relationship between physical and psychological intensity he was seeking. | | | About 20 years after Weber's pioneering work, another professor at the University of Leipsig, Gustav Fechner, decided to determine the relationship between the physical intensity of a stimulus (for example, the sound pressure level of a sound wave) and the psychologically perceived intensity (in this case, the loudness of the resulting sound). |
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http://users.ipfw.edu/abbott/120/thresholds.html
(910 words)
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| | Software Review |
| | Reference: Watson, A.B. and Solomon, J.A. (1997) Psychophysica: MathematicaNotebooks for Psychophysical Experiments. | | | Support: Unlimited free email and phone support for licensed researchers and their students | | | Stimulus Presentation: The Psychophysics Toolbox provides support for conducting psychophysical experiments from within the MATLAB application on the Macintosh platform. |
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http://vision.nyu.edu/Tips/FaithsSoftwareReview.html
(3673 words)
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| | Lessons from the Psychophysics of Time |
| | He recognized the trait when his salivating dogs began to `wait' to salivate after lengthy durations of the conditioned stimuli (story retold by Roberts, 1998). | | | Since that time, psychophysics has developed a number of techniques for assaying animal event timing. | | | Before exposing the established contributions of psychophysics to animal event timing, I would like to present the three most prevalent assays, as I will refer to them frequently. |
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http://www.math.utah.edu/~hills/newtime/node2.html
(478 words)
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| | Psychophysics Laboratory |
| | The laboratory is an active collaboration between our Post Doctoral Student, Graduate Students, Associates and supported by our Research Assistants. | | | Lawrence M. Ward is the principal researcher at the Psychophysics Laboratory. |
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http://www.psych.ubc.ca/~lward
(31 words)
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| | one more psychophysics expt |
| | Hi all, In order to finish one of the visual short-term memory experiments Patrick Wilken and i were conducting some time ago, i quickly need 7 subjects. | | | It is a simple psychophysics experiment, in which you have to judge spatial frequencies. | | | It generally takes 1 to 1.5 hours, and you get paid $27. |
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http://www.klab.caltech.edu/pipermail/klab/2004-April/000512.html
(118 words)
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| | [vslist] iLab - Postdoctoral position in fMRI/psychophysics of attentional modulation |
| | Salary will be commensurate to experience and skills. | | | The successful applicant is expected to have extensive knowledge of the Linux operating system and programming of visual psychophysics stimuli, of fMRI processing using SPM, and of computational modeling. | | | Funds for salary, equipment, psychophysics subjects and travel, as well as the present position are available immediately (April 2002). |
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http://www.visionscience.com/pipermail/vslist/2002/000080.html
(426 words)
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| | Psychophysics Lab |
| | In order to gain some experience with using the classical psychophysical methods, you will go through the exercises in Ono's Hypercard stack (Precision and Accuracy). | | | The classical methods, as illustrated by G. Fechner, include the Method of Limits, the Method of Constant Stimuli, and the Method of Adjustment. | | | Although we talked primarily about absolute thresholds in class, these exercises allow you to derive difference thresholds. |
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http://www.skidmore.edu/~hfoley/PercLabs/Psychophysics.htm
(564 words)
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| | Cogprints - Subject: Psychophysics |
| | Harnad, Stevan (1987) Psychophysical and cognitive aspects of categorical perception: A critical overview, in Harnad, Stevan, Eds. | | | Damper, R I and Harnad, Stevan (1997) The Psychophysics of Synthetic Categorical Perception. | | | Anderson, Jared E. The perception of melodic consonance: an acoustical and neurophysiological explanation based on the overtone series. |
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http://cogprints.org/view/subjects/psy-phys.html
(1472 words)
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| | Childrens Progress |
| | In addition, the role of psychophysical assessment has long been an overlooked and underassessed area of child development. | | | However, in order for an intervention to work, the problem must be diagnosed early. | | | Dishearteningly, most of these psychophysical difficulties can be corrected with eyeglasses or hearing aids. |
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http://www.childrensprogress.com/page1-82.htm
(4045 words)
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| | Perception & Psychophysics |
| | Understanding the structural determinants of object confusion in memory: An assessment of psychophysical approaches to estimating visual similarity | | | Linking dynamical perceptual decisions at different levels of description in motion pattern formation: Psychophysics |
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http://www.psychonomic.org/PP/forthcoming.htm
(3388 words)
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| | Psychophysics |
| | Psychophysics: The Human Energy Body - The Aura | | | Read more here: » Crystal Healing: Crystal Healing | | | Psychophysics is one of the topics in focus at Global Oneness. |
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http://www.experiencefestival.com/psychophysics
(711 words)
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| | Keith Price Bibliography Psychology and Psychophysics |
| | Braunstein, M.L. Perception of Rotation in Depth: The Psychophysical Evidence, | | | The Cross-ratio and the Perception of Motion and Structure, | | | Real and Apparent Motion: One Mechanism or Two? |
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http://iris.usc.edu/Vision-Notes/bibliography/motion-i756.html
(656 words)
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| | Department: Cognitive and Computational Psychophysics |
| | The Cognitive and Computational Psychophysics Department uses psychophysical and computational methodology including virtual reality environments to study higher level cognitive processes in humans. |
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http://www.kyb.tuebingen.mpg.de/bu
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| | Amazon.com: Books: The Physics and Psychophysics of Music : An Introduction |
| | It analyzes what objective, physical properties of sound are associated with what subjective psychological sensations of music, and it describes how these sound patterns are actually generated in musical instruments, how they propagate through the environment, and how they are detected by the ear and interpreted in the brain. | | | A prior knowledge of physics, mathematics, physiology or psychology is not required to understand most of the book; it is, however, assumed that the reader is familiar with music - in particular, with musical notation, musical scales and intervals, and some of the basics of musical instruments. | | | It may be useful for general interested people as well as specialists, since it was written with little mathematics but deep concepts and explanations. |
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http://www.amazon.com/exec/obidos/tg/detail/-/0387943668?v=glance
(1241 words)
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| | psychophysics - OneLook Dictionary Search |
| | psychophysics : The On-line Medical Dictionary [home, info] | | | Psychophysics : MIT Encyclopedia of Cognitive Science [home, info] | | | psychophysics : Dorland's Illustrated Medical Dictionary [home, info] |
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http://www.onelook.com/cgi-bin/cgiwrap/bware/dofind.cgi?word=psychophysics
(208 words)
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