Results 11 to 20 of about 40,392 (257)

Using illusions to understand hallucinations: differences in perceptual performances on illusory figures may underscore specific visuoperceptual impairments in Parkinson’s disease

open access: yesFrontiers in Neuroscience, 2023
Visual hallucinations are prevalent, potentially disabling symptoms of Parkinson’s Disease. Multiple impairments in bottom-up sensory processing and top-down perceptual modulation are implicated in the pathophysiology of these phenomena.
Alberto Cucca   +14 more
doaj   +1 more source

The Nature of Illusions: A New Synthesis Based on Verifiability

open access: yesFrontiers in Human Neuroscience, 2022
This overview discusses the nature of perceptual illusions with particular reference to the theory that illusions represent the operation of a sensory code for which there is no meaningful ground truth against which the illusory percepts can be compared,
Christopher W. Tyler   +1 more
doaj   +1 more source

Sensitivity of Visual System in 5-Day “Dry” Immersion With High-Frequency Electromyostimulation

open access: yesFrontiers in Neural Circuits, 2021
The aim of this work was to study the sensitivity of the visual system in 5-day “dry” immersion with a course of high-frequency electromyostimulation (HFEMS) and without it. “Dry” immersion (DI) is one of the most effective models of microgravity.
Irina Shoshina   +4 more
doaj   +1 more source

The Ministering Critic: Kierkegaard’s Theology of Communication

open access: yesReligions, 2020
This paper analyzes Kierkegaard’s scattered writings on communication to foreground the distinctively theological dimension of Kierkegaard’s rhetorical theory.
Russell Johnson
doaj   +1 more source

Constancies and illusions in visual perception [PDF]

open access: yesPsihologija, 2002
This paper presents a systematic exposition of the general structure of visual constancies and illusions, including the introduction of a number of conceptual distinctions, illustrated by many examples.
Todorović Dejan M.
doaj   +1 more source

French Lao and their transnational humanitarian activities in Laos: between illusions and disillusionment

open access: yesRevue Européenne des Migrations Internationales, 2020
The studies on overseas Lao who left Laos after the 1975 political events have generally focused on these migrants’ social incorporation in their receiving countries and on the dynamics of their intergenerational transmission.
Isabelle Wilhelm
doaj   +1 more source

No common factor for illusory percepts, but a link between pareidolia and delusion tendency: A test of predictive coding theory

open access: yesFrontiers in Psychology, 2023
Predictive coding theory is an influential view of perception and cognition. It proposes that subjective experience of the sensory information results from a comparison between the sensory input and the top-down prediction about this input, the latter ...
Magdalena Lhotka   +6 more
doaj   +1 more source

Kriege und fatale Illusionen der Besiegbarkeit als Bedrohung. Metatheoretische Beobachtungen und Desiderate gegenwärtiger Philosophie kriegerischer Gewalt

open access: yesLabyrinth: An International Journal for Philosophy, Value Theory and Sociocultural Hermeneutics, 2021
Wars and Fatal Illusions of Defeatability as a Threat. Metatheoretical Observations and Desiderata of a Contemporary Philosophy of Martial Violence This essay deals with the question how war threatens us even when peace seems to reign.
Burkhard Liebsch
doaj   +1 more source

A survey of spatial disorientation incidence in Polish military pilots

open access: yesInternational Journal of Occupational Medicine and Environmental Health, 2020
Objectives The study aimed to establish the current incidence and severity of spatial disorientation (SD) in Polish military pilots when flying different aircraft types over their entire careers, and to determine how SD training and pilots’ flight ...
Rafał Lewkowicz, Marcin Piotr Biernacki
doaj   +1 more source

Consistently Inconsistent Perceptual Illusions in Nonhuman Primates: The Importance of Individual Differences

open access: yesAnimals, 2022
Perceptual illusions, and especially visual illusions, are of great interest not only to scientists, but to all people who experience them. From a scientific perspective, illusory visual experiences are informative about the nature of visual processes ...
Michael J. Beran, Audrey E. Parrish
doaj   +1 more source

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