نتایج جستجو برای: visual hallucination

تعداد نتایج: 360467  

2008
Susanna Siegel

Disjunctivism about perception is a view about the relation between veridical experiences and hallucinations. Suppose that I see a green cube, and my experience is veridical—no illusion or hallucination is involved.1 The veridical experience, according to disjunctivists, includes as constituents the bit of the world that is perceived and the perceptual relation that the subject bears to it, and...

Journal: :The British journal of psychiatry : the journal of mental science 2011
Ralph E Hoffman Brian Pittman R Todd Constable Zubin Bhagwagar Michelle Hampson

BACKGROUND The pathophysiology of auditory verbal hallucinations remains poorly understood. AIMS To characterise the time course of regional brain activity leading to auditory verbal hallucinations. METHOD During functional magnetic resonance imaging, 11 patients with schizophrenia or schizoaffective disorder signalled auditory verbal hallucination events by pressing a button. To contro...

Journal: :IEEE transactions on systems, man, and cybernetics 2021

Recent years have witnessed the rapid development of face image hallucination techniques. However, previous methods are unsupervised and ignore label information training samples, leading to undesirable results. This article proposes a locality-constrained category embedding representation (LCER) method super-resolve in supervised manner by data representation. The proposed LCER incorporates lo...

2017
Omid Rezania

Schizophrenic patients suffer from hallucination which its causality is not yet fully understood. This paper attempts to approach this mystery from the perspective of quantum mechanical theories. A novel approach has been adopted to demonstrate the hallucination as a time evolution of percepts basis states in the Hilbertian consciousness which are desynchronised from the time in real world. The...

Journal: :Int. Arab J. Inf. Technol. 2016
Parinya Sanguansat

In this paper, the novel multiple-view face hallucination method was proposed. This method is reconstructed the high-resolution face images in various poses (normal, up, down, left, and right) from a single low-resolution face image within these poses. There are two steps in our proposed method. In the first step, a high-resolution face image in the same view of the observation is reconstructed...

Journal: :Pattern Recognition Letters 2006
Kui Jia Shaogang Gong

Learning-based super-resolution has recently been proposed for enhancing human face images, known as ‘‘face hallucination’’. In this paper, we propose a novel algorithm to super-resolve face images given multiple partially occluded inputs at different lower resolutions. By integrating hierarchical patch-wise alignment and inter-frame constraints into a Bayesian framework, we can probabilistical...

Journal: :Science Translational Medicine 2021

Presence hallucination in Parkinson’s disease (PD) is shown to arise from errors sensorimotor integration and frontotemporal disconnection.

Journal: :The Journal of Abnormal Psychology 1912

2016
Yasuyuki Mamiya Yoshiyuki Nishio Hiroyuki Watanabe Kayoko Yokoi Makoto Uchiyama Toru Baba Osamu Iizuka Shigenori Kanno Naoto Kamimura Hiroaki Kazui Mamoru Hashimoto Manabu Ikeda Chieko Takeshita Tatsuo Shimomura Etsuro Mori

BACKGROUND Visual hallucinations are a core clinical feature of dementia with Lewy bodies (DLB), and this symptom is important in the differential diagnosis and prediction of treatment response. The pareidolia test is a tool that evokes visual hallucination-like illusions, and these illusions may be a surrogate marker of visual hallucinations in DLB. We created a simplified version of the parei...

Journal: :The British journal of psychiatry : the journal of mental science 2004
Sukhwinder S Shergill Mick J Brammer Edson Amaro Steve C R Williams Robin M Murray Phillip K McGuire

We used functional magnetic resonance imaging to examine how brain activity associated with auditory verbal hallucinations in schizophrenia changed during hallucinatory events. Activation in the left inferior frontal and right middle temporal gyri was evident 6-9 s before the person signalled the onset of the hallucination, whereas activation in the bilateral temporal gyri and the left insula c...

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