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Laura Veneroni, Andrea Ferrari, Marta Podda, Tullio Proserpio, Elena Pagani Bagliacca, Maura Massimino, Carlo Alfredo Clerici
The issue of quality of life, particularly of patients affected by cancer, is very controversial, especially with adolescent patients who have no prospects of recovery. This article aims to describe the psychological mechanisms, which affect teenage patients with terminal cancer, in order to allow the best quality of life possible. The adaptation of teenager patients suffering from terminal illnesses is also related to other non-medical issues such as psychological, legal and ethical considerations. A correct and balanced communication with such patients is needed, in order of maintaining a positive mental approach ("hope") so that the teens are able to come to terms with the hard reality...
March 2018: Recenti Progressi in Medicina
Kevin M Gildea, Christy R Hileman, Paul Rogers, Guillermo J Salazar, Lawrence N Paskoff
BACKGROUND: Research indicates that first-generation antihistamine usage may impair pilot performance by increasing the likelihood of vestibular illusions, spatial disorientation, and/or cognitive impairment. Second- and third-generation antihistamines generally have fewer impairing side effects and are approved for pilot use. We hypothesized that toxicological findings positive for second- and third-generation antihistamines are less likely to be associated with pilots involved in fatal mishaps than first-generation antihistamines...
April 1, 2018: Aerospace Medicine and Human Performance
Léo Coutellec, Paul-Loup Weil-Dubuc
In this article, we propose a critical approach to the big data phenomenon by deconstructing the methodological principle that structures its logic : the principle of aggregation. Our hypothesis is upstream of the critics who make the use of big data a new mode of government. Aggregation, as a mode of processing the heterogeneity of data, structures the thinking big data, it is its very logic. Fragmentation in order to better aggregate, to aggregate to better fragment, a dialectic based on a presumption of generalized aggregability and on the claim to make aggregation the preferred route for the production of new syntheses...
October 27, 2017: Journal International de Bioéthique et D'éthique des Sciences
Miguel Ángel Sánchez-Tena, Cristina Alvarez-Peregrina, Mª Carolina Valbuena-Iglesias, Pablo Ruisoto Palomera
Optical illusions are involved in the perception of false or erroneous images which might involve disorientation. They occur by a discordance by the peripheral systems about the information captured and generally, resulting in pilots failure to recognize key signals. The aim of this study is to review the state of the art of spatial disorientation and optical illusions in aviation pilots. This kind of disorientation has important practical consequences, because a remarkable percentage of plane accidents are related to pilot's optical illusions...
March 19, 2018: Journal of Medical Systems
Cathrin Rohleder, Dagmar Koethe, Stefan Fritze, Cristina E Topor, F Markus Leweke, Dusan Hirjak
OBJECTIVES: Binocular depth inversion illusion (BDII), a visual, 'top-down'-driven information process, is impaired in schizophrenia and particularly in its early stages. BDII is a sensitive measure of impaired visual information processing and represents a valid diagnostic tool for schizophrenia and other psychotic disorders. However, neurobiological underpinnings of aberrant BDII in first-episode schizophrenia are largely unknown at present. METHODS: In this study, 22 right-handed, first-episode, antipsychotic-naïve schizophrenia patients underwent BDII assessment and MRI scanning at 1...
March 19, 2018: European Archives of Psychiatry and Clinical Neuroscience
Jakub Limanowski, Felix Blankenburg
Spatially and temporally congruent visuotactile stimulation of a fake hand together with one's real hand may result in an illusory self-attribution of the fake hand. Although this illusion relies on a representation of the two touched body parts in external space, there is tentative evidence that, for the illusion to occur, the seen and felt touches also need to be congruent in an anatomical reference frame. We used functional magnetic resonance imaging and a somatotopical, virtual reality-based setup to isolate the neuronal basis of such a comparison...
2018: Frontiers in Human Neuroscience
Mikkel Thøgersen, John Hansen, Lars Arendt-Nielsen, Herta Flor, Laura Petrini
The purpose of the present study was to assess changes in body perception when visual feedback was removed from the hand and arm with the purpose of resembling the visual deprivation arising from amputation. The illusion was created by removing the visual feedback from the participants' own left forearm using a mixed reality (MR) and green screen environment. Thirty healthy persons (15 female) participated in the study. Each subject experienced two MR conditions, one with and one without visual feedback from the left hand, and a baseline condition with normal vision of the limb (no MR)...
March 15, 2018: Behavioural Brain Research
Liang-Qing Dong, Yang Shi, Li-Jie Ma, Liu-Xiao Yang, Xiao-Ying Wang, Shu Zhang, Zhi-Chao Wang, Meng Duan, Zhao Zhang, Long-Zi Liu, Bo-Hao Zheng, Zhen-Bin Ding, Ai-Wu Ke, Da-Ming Gao, Ke Yuan, Jian Zhou, Jia Fan, Ruibin Xi, Qiang Gao
BACKGROUND & AIMS: Intrahepatic cholangiocarcinoma (ICC) is the second-most lethal primary liver cancer. Little is known about intratumoral heterogeneity (ITH) and its impact on ICC progression. We aim to investigate its ITH in hope of helping develop new therapeutic strategies. METHODS: We obtained 69 spatially distinct regions from 6 operable ICCs. Patient-derived primary cancer cells (PDPCs) were established for each region, followed by whole-exome sequencing(WES) and multi-level validation...
March 15, 2018: Journal of Hepatology
Robert T Keys, Anina N Rich, Regine Zopf
Tracking one's own body is essential for environmental interaction, and involves integrating multisensory cues with stored information about the body's typical features. Exactly how multisensory information is integrated in own-body perception is still unclear. For example, Ide and Hidaka (Exp Brain Res 228:43-50, 2013) found that participants made less precise visuo-tactile temporal order judgments (TOJ) when viewing hands in a plausible orientation (upright; typical for one's own hand) compared to an implausible orientation (rotated 180°)...
March 15, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
Jingxin Zhang, Eike Langbehn, Dennis Krupke, Nicholas Katzakis, Frank Steinicke
Telepresence systems have the potential to overcome limits and distance constraints of the real-world by enabling people to remotely visit and interact with each other. However, current telepresence systems usually lack natural ways of supporting interaction and exploration of remote environments (REs). In particular, single webcams for capturing the RE provide only a limited illusion of spatial presence, and movement control of mobile platforms in today's telepresence systems are often restricted to simple interaction devices...
April 2018: IEEE Transactions on Visualization and Computer Graphics
Tabitha C Peck, My Doan, Kimberly A Bourne, Jessica J Good
The underrepresentation of women in technical and STEM fields is a well-known problem, and stereotype threatening situations have been linked to the inability to recruit and retain women into these fields. Virtual reality enables the unique ability to perform body-swap illusions, and research has shown that these illusions can change participant behavior. Characteristically people take on the traits of the avatar they are embodying. We hypothesized that female participants embodying male avatars when a stereotype threat was made salient would demonstrate stereotype lift...
April 2018: IEEE Transactions on Visualization and Computer Graphics
Geng Lyu, Xukun Shen, Taku Komura, Kartic Subr, Lijun Teng
Displays that can portray environments that are perceivable from multiple views are known as multiscopic displays. Some multiscopic displays enable realistic perception of 3D environments without the need for cumbersome mounts or fragile head-tracking algorithms. These automultiscopic displays carefully control the distribution of emitted light over space, direction (angle) and time so that even a static image displayed can encode parallax across viewing directions (Iightfield). This allows simultaneous observation by multiple viewers, each perceiving 3D from their own (correct) perspective...
April 2018: IEEE Transactions on Visualization and Computer Graphics
Maria Pyasik, Dalila Burin, Lorenzo Pia
The relation between sense of body ownership and sense of agency is still highly debated. Here we investigated in a large sample of healthy participants the associations between several implicit and explicit indexes of the two senses. Specifically, we examined the correlations between proprioceptive shift (implicit measure) and questionnaire on the subjective experience of ownership (explicit measure) within the rubber hand illusion paradigm (body ownership), and intentional binding (implicit measure), attenuation of the intensity of auditory outcomes of actions (implicit measure) and questionnaire on the subjective experience of authorship (explicit measure) within the Libet's clock paradigm (sense of agency)...
March 10, 2018: Acta Psychologica
Miranda Smit, Haike E Van Stralen, Bart Van den Munckhof, Tom J Snijders, Hendrik Christiaan Dijkerman
Reports on patients who lack ownership over their entire body are extremely rare. Here, we present patient SA who suffered from complete body disownership after a tumour resection in the right temporoparietal cortex. Neuropsychological assessment disclosed selective bilateral ownership problems, despite intact primary visual and somatosensory senses. SA's disownership seems to stem from a suboptimal multimodal integration, as shown by the rubber hand illusion and the beneficial effect during and after simple exercises aiming at multisensory recalibration...
March 12, 2018: Journal of Neuropsychology
V Botan, S Fan, H Critchley, J Ward
The Rubber Hand Illusion (RHI) paradigm has been widely used to investigate the sense of body ownership. People who report experiencing the pain of others are hypothesised to have differences in computing body ownership and, hence, we predicted that they would perform atypically on the RHI. The Vicarious Pain Questionnaire (VPQ), was used to divide participants into three groups: (1) non-responders (people who report no pain when seeing someone else experiencing physical pain), (2) sensory-localised responders (report sensory qualities and a localised feeling of pain) and (3) affective-general responders (report a generalised and emotional feeling of pain)...
March 9, 2018: Consciousness and Cognition
Renato Foschi, Marco Innamorati, Ruggero Taradel
The present paper is focused on the evolution of the position of the Catholic Church toward psychoanalysis. Even before Freud's The Future of an Illusion (1927), psychoanalysis was criticized by Catholic theologians. Psychoanalysis was viewed with either contempt or with indifference, but nonpsychoanalytic psychotherapy was accepted, especially for pastoral use. Freudian theory remained for most Catholics a delicate and dangerous subject for a long time. From the center to the periphery of the Vatican, Catholic positions against psychoanalysis have varied in the way that theological stances have varied...
March 12, 2018: Journal of the History of the Behavioral Sciences
Christian I Penaloza, Maryam Alimardani, Shuichi Nishio
EEG-based brain computer interface (BCI) systems have demonstrated potential to assist patients with devastating motor paralysis conditions. However, there is great interest in shifting the BCI trend toward applications aimed at healthy users. Although BCI operation depends on technological factors (i.e., EEG pattern classification algorithm) and human factors (i.e., how well the person can generate good quality EEG patterns), it is the latter that is least investigated. In order to control a motor imagery-based BCI, users need to learn to modulate their sensorimotor brain rhythms by practicing motor imagery using a classical training protocol with an abstract visual feedback...
March 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
Richard S Marken, Dennis M Shaffer
Marken and Shaffer (Exp Brain Res 235:1835-1842, 2017) have argued that the power law of movement, which is generally thought to reflect the mechanisms that produce movement, is actually an example of what Powers (Psychol Rev 85:417-435, 1978) dubbed a behavioral illusion, where an observed relationship between variables is seen as revealing something about the mechanisms that produce a behavior when, in fact, it does not. Zago et al. (Exp Brain Res. , 2017) and Taylor (Exp Brain Res, https://doi...
March 8, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
Makiko Abe, Ken-Ichi Tabei, Masayuki Satoh, Mari Fukuda, Hironobu Daikuhara, Mariko Shiga, Hirotaka Kida, Hidekazu Tomimoto
Background/Aims: The missing fundamental phenomenon (MFP) is a universal pitch perception illusion that occurs in animals and humans. In this study, we aimed to determine whether the MFP is impaired in patients with Alzheimer's disease (AD) using an auditory pitch perception experiment. We further examined anatomical correlates of the MFP in patients with AD by measuring gray matter volume (GMV) on magnetic resonance images via voxel-based morphometric analysis. Methods: We prospectively enrolled 29 patients with AD and 20 healthy older adults...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
Olivier Walusinski
Victor Burq (1822-1884) is closely associated with a therapy named "burquism" by Jean-Martin Charcot, which was used in treating hysteria, especially hysteric anesthesia and paralysis, by applying metals, mainly copper, to affected zones. In 1876, Charcot, Luys, and Dumontpallier, commissioned by the Société de Biologie, issued 2 opinions validating the results obtained by Burq during the 25 years he dedicated to his research. From that point forward, the careers of these 3 famous physicians were lastingly reoriented toward the practice of hypnosis...
March 7, 2018: European Neurology
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