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Tuesday, May 19, 2020 | History

1 edition of The influence of size and shape on visual intensity discrimination found in the catalog.

The influence of size and shape on visual intensity discrimination

Marvin Nachman

The influence of size and shape on visual intensity discrimination

by Marvin Nachman

  • 140 Want to read
  • 11 Currently reading

Published .
Written in English

    Subjects:
  • Visual perception

  • Edition Notes

    StatementBoston University Graduate School dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy, 1954
    The Physical Object
    Pagination81 p.
    Number of Pages81
    ID Numbers
    Open LibraryOL25589262M

    visual discrimination apparatus and consisted of showing two different pig heads simultaneously. One of the photos was rewarded. Siblings had the same photo pair and the same photo that was rewarded. Birth weight did not influence learning ability in the visual discrimination test, but was.   Pupil dilation reflects the time course of emotion recognition in human vocalizations. have long been known to influence pupil size 20,38 and the speed of visual discrimination Cited by:

      Behavioral Principles: Stimulus Discrimination and Generalization. As of 11/6/ VII. STIMULUS DISCRIMINATION AND GENERALIZATION b. influences the size of the rat’s cage c. serves as a S-Delta. Answer: (a) Cumming decided what was needed was a device that has a good visual discrimination system and can form concepts. A concept. Data were analysed using analysis of variance. Mean sensory scores were correlated with the physical dimensions (opening diameter, maximum diameter, height, volume) of the glasses. Wine glass shape significantly influenced the perceived total intensity and colour of the wines.

      Although ambient light levels influence optimal pupil area, pupil shape determines the extent of chromatic blurring. Chromatic blur dominates the cephalopod image quality in low-light conditions with a fully dilated pupil. The off-axis slit and semiannular pupils used in high-light conditions preserve this spectral discrimination mechanism Cited by: GAZE Refers to where the figure in the image is looking. DEMAND- a term used when a figure in the image 'gazes' directly out of the page at the establishes a connection between subject and viewer. OFFER- a term used when a figure 'gazes' at another object in the image encouraging us to look at that object, the viewer is a detached onlooker.


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The influence of size and shape on visual intensity discrimination by Marvin Nachman Download PDF EPUB FB2

The Influence of Size of Test-Field Surround on Visual Intensity Discrimination * C. Graham and Florence A. Veniar Psychological Laboratory, Columbia UniversityCited by: 3. Title: The Influence of Size of Test-Field Surround on Visual Intensity Discrimination: Authors: Graham, C.

H.; Veniar, Florence A. Affiliation: AA(Psychological. Visual discrimination is the ability to recognize details in visual images.

It allows students to identify and recognize the likeness and differences of shapes/forms, colors and position of objects, people, and printed materials. In order to learn to read print, students will need to develop their visual discrimination. The Influence of Size of Test-Field Surround on Visual Intensity Discrimination * C.

Graham and Florence A. Veniar Psychological Laboratory, Columbia University. The influence of shape on the perception of material reflectance. The optimal shape for discrimination tasks would have low guess. such as their size, intensity, and sharpness. Visual discrimination is the ability to discern differences between two different things.

This skill comes up more than you may think in daily life. For example, it’s an important part of reading, as letter recognition can be hindered when a child has trouble seeing the difference between a "K" and an "H" or words like "was" and "saw.".

The topics are: (1) differential intensity limens for pure tones; (2) intensity discrimination tasks in which random noise is used as a masker; and (3) discrimination of intensity changes in Cited by: 2 Digital Image Fundamentals Those who wish to succeed must ask the right preliminary questions.

Aristotle Preview The purpose of this chapter is to introduce several concepts related to digital im-ages and some of the notation used throughout the book. Section briefly summarizes the mechanics of the human visual system, including image for-File Size: KB.

Council on Size and Weight Discrimination P. Box Columbia, Maryland Phone: () FAX: () President: Miriam Berg The council was founded in to influence public policy and opinion to reduce discrimination based on body size, shape, and weight.

National Association to Advance Fat Acceptance (NAAFA) P. Box. Many visual factors influence improved fixation control such as high contrast of target, color and size of target, as well as flexible eye focusing skills.

Fixation control begins to deteriorate after a few seconds of steady fixation because the eye has an innate tendency to continually scan and move to change retinal areas of stimulation.

Psychology Chapter 3 study guide by Katherine_Cabasal includes 99 questions covering vocabulary, terms and more. Quizlet flashcards, activities and games help you improve your grades. It depends on stimulus: size, shape & illumination ; MINIMUM VISIBLE How to test.

Vary object size. Detection of an illuminated object against dark background only depends on intensity not size it refers to spatial limit of visual discrimination. J Comp Physiol Psychol. Apr;50(2) The effect of extent on the intensity-time relation for the visual discrimination of by:   visual discrimination This refers to a child’s ability to identify differences & similarities between colors, forms, shapes, patterns, and size.

Visual Discrimination allows a child to compare and distinguish one set of visual features from another. Visual acuity is the spatial resolving capacity of the visual system.

This may be thought of as the ability of the eye to see fine detail. There are various ways to measure and specify visual acuity, depending on the type of acuity task used. Visual acuity is limited by diffraction, aberrations and photoreceptor density in the eye (Smith and.

Chapter 4. Choose Appropriate Visual Encodings Choosing Appropriate Visual Encodings As we discussed in Data, once you know the “shape” of your data, you can encode its various dimensions - Selection from Designing Data Visualizations [Book].

Variation of stimulus shape and orientation had no effect upon the cats' color discrimination beyond the influence of overall stimulus size. The finding that stimuli must subtend a large visual angle for the cat to perform well on a color discrimination accounts for much of the past discrepancy in behavioral by: Sequential Ideal-Observer Analysis In the proposed analysis, the early visual system is regarded as a sequence of information-transmission or processing stages.

Table 1 Some Mechanisms of Initial Visual Processing Optics and receptors Quanta. fluctuations Optics of the eye Eye movements Receptor size, shape, and waveguide properties Receptor.

We investigated perception of both supra-threshold stimuli (Exp. 1: intensity discrimination) and of stimuli close to the detection threshold (Exp. 2: detection).

We compared tactile perception between two grasping conditions (active, tactile inputs relevant), a condition where participants pointed in the air (active, tactile inputs irrelevant) and a static condition (baseline).Cited by: 2. Visual Discrimination: Color, Size, Shape.

Item # Product Description Photo Price; TF Details Bundle: All About Shape and Space Grades Kindergarten-2 Silver Award Winner - PC Home All About Shape and Space is part of the All of About Series.

This translation of the abstract into physical attributes of vision (length, position, size, shape, and color, to name a few) can only succeed if we understand a bit about visual perception and cognition. In other words, to visualize data effectively, we must follow design principles that are derived from an understanding of human perception.Body Image and The Media: The Media’s Influence on Body Image shape, size and weight were a few of the specific aspects that were questioned.

In the future, replication of this research with a wider pool of subjects perhaps weight, discrimination, and condemnation. The thin ideal has been constructed by society and.ISBN: OCLC Number: Description: xiv, pages illustrations 26 cm: Contents: 1. Introduction / Lorrin A. Riggs, J.W. Kling Psychophysics: Discrimination and detection / Trygg Engen: The basic psychophysical methods ; Classical concepts of the threshold ; Decision analysis model of psychophysical threshold Psychophysics: Scaling methods / Trygg.