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Pupillary Movements During Acute and Chronic Fatigue. a New Test for the Objective Evaluation of Tiredness

Pupillary Movements During Acute and Chronic Fatigue. a New Test for the Objective Evaluation of Tiredness
Author:
Publisher:
Total Pages: 21
Release: 1963
Genre:
ISBN:

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Spontaneous pupillary movements in darkness were recorded (1) in healthy subjects of different ages when they were rested or fatigued, (2) in chronically tired subjects without known neurological defects, and (3) in patients with various neurological lesions. In some of the experiments, local or systemic drugs were used. While the pupils are large and quiet in darkness when the subject is alert, they oscillate under the influence of tiredness. Waves of spontaneous pupillary contraction and dilation accompany periods of increasing sleepiness and spontaneous arousal until, at the moment immediately preceding sleep, the pupils become very small. The mechanism of these movements was analyzed and a simple test described which allows the objective determination of the degree of acute fatigue in a given subject at a given time. In the light of these results, the concepts of 'normal' and of 'pathologic' fatigue were discussed. (Author).


Biomedical Insights that Inform the Diagnosis of ME/CFS

Biomedical Insights that Inform the Diagnosis of ME/CFS
Author: Brett A. Lidbury
Publisher: MDPI
Total Pages: 202
Release: 2020-03-16
Genre: Medical
ISBN: 3039283901

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Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a severe chronic health condition that is often misunderstood or ignored by health establishments. The lack of definitive diagnostic markers to separate ME/CFS patients from the healthy population as well as from other chronic disorders is problematic for both health professionals and researchers. A consortium of Australian researchers gathered to systematically understand ME/CFS, ranging from a deep analysis of clinical and pathology data to metabolomic profiles and the investigation of mitochondrial function. From this broad collaboration, a number of compelling insights have arisen that may form the basis of specific serum, blood, and/or urinary biomarkers of ME/CFS. This Special Edition reports on a conference centred on these biomedical discoveries, with other contributions, with a translation focus for predictive markers for ME/CFS diagnosis. By supporting health professionals with developments in diagnostics for this condition, the patients and their families will hopefully benefit from an improved recognition of the biomedical underpinnings of the condition and will be better able to access the care that is urgently required. This Special Edition contains a mix of speaker submissions and other accepted manuscripts that contributed to our objective of advancing biomedical insights to enable the accurate diagnosis of ME/CFS.


Eye Movement Research

Eye Movement Research
Author: Christoph Klein
Publisher: Springer Nature
Total Pages: 1017
Release: 2019-10-16
Genre: Psychology
ISBN: 303020085X

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This edited volume presents fundamentals as well as applications of oculomotor methods in industrial and clinical settings. The topical spectrum covers 1.) basics and background material, 2.) methods such as recording techniques, markov models, Lévy flights, pupillometry and many more, as well as 3.) a broad range of applications in clinical and industrial settings. The target audience primarily comprises research experts and practitioners, but the book may also be beneficial for graduate students.


Aviation Medical Reports

Aviation Medical Reports
Author: United States. Office of Aviation Medicine
Publisher:
Total Pages: 488
Release:
Genre: Aviation medicine
ISBN:

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The Pupil

The Pupil
Author: Evangelos Alexandridis
Publisher: Springer Science & Business Media
Total Pages: 118
Release: 2012-12-06
Genre: Medical
ISBN: 1461250862

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This monograph by Professor Alexandridis continues the proud tradition of German ophthalmology in its discussion of the pupil and its importance in the diagnosis of ocular, neurologic, and systemic diseases. The first encyclopedic work on the pupil was written by Wilbrand and Saenger at the end of the 19th century. This redoubtable pair of physicians collected, analyzed, and clas sified all the material available at that time, bringing order into the previous chaos. The second major work was the book by C. v. Behr shortly after World War 1. At that time, syphilis had been accurately diagnosed with the aid of serologic tests, and pharmacologic effects on the pupil had become well known. The third significant development was initiated before World War II by the neurologist Otto Lowenstein, whose work was later brilliantly continued by his pupil and niece Irene Lowenfeld. The introduction of their clinically useful pupillograph made quantitative analysis possible. There followed a number of important contributions to the knowledge of pupillary physiology and pathology, espe cially by Harms in Tiibingen and Thompson in Iowa City. But the next decisive contribution is this monograph by Alexandridis.


Aviation Medical Papers and Reports

Aviation Medical Papers and Reports
Author: United States. Federal Aviation Agency. Library Services Division. Medical Library Branch
Publisher:
Total Pages: 100
Release: 1964
Genre:
ISBN:

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Reports

Reports
Author: Civil Aeromedical Research Institute (U.S.)
Publisher:
Total Pages: 272
Release: 1963
Genre: Aviation medicine
ISBN:

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