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https://www.readbyqxmd.com/read/29328104/statistical-properties-of-single-mode-fiber-coupling-of-satellite-to-ground-laser-links-partially-corrected-by-adaptive-optics
#1
Lucien Canuet, Nicolas Védrenne, Jean-Marc Conan, Cyril Petit, Geraldine Artaud, Angelique Rissons, Jerome Lacan
In the framework of satellite-to-ground laser downlinks, an analytical model describing the variations of the instantaneous coupled flux into a single-mode fiber after correction of the incoming wavefront by partial adaptive optics (AO) is presented. Expressions for the probability density function and the cumulative distribution function as well as for the average fading duration and fading duration distribution of the corrected coupled flux are given. These results are of prime interest for the computation of metrics related to coded transmissions over correlated channels, and they are confronted by end-to-end wave-optics simulations in the case of a geosynchronous satellite (GEO)-to-ground and a low earth orbit satellite (LEO)-to-ground scenario...
January 1, 2018: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29274471/five-day-course-of-paired-associative-stimulation-fails-to-improve-motor-function-in-stroke-patients
#2
Mohamed Tarri, Nabila Brimhat, David Gasq, Benoît Lepage, Isabelle Loubinoux, Xavier De Boissezon, Philippe Marque, Evelyne Castel-Lacanal
BACKGROUND: Non-invasive brain stimulation has been studied as a therapeutic adjunct for upper-limb recovery in patients with stroke. One type of stimulation, paired associative stimulation (PAS), has effects on plasticity in both patients and healthy participants. Lasting several hours, these effects are reversible and topographically specific. OBJECTIVE: The goal was to investigate the presence of a lasting increase in motor cortex plasticity for extensor wrist muscles - extensor carpi radialis (ECR) - and an improvement in upper-limb function after 5 days of daily PAS in patients at the subacute post-stroke stage...
December 20, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29243119/action-observation-or-imitation-of-virtual-hand-movement-affect-differently-regions-of-the-mirror-neuron-system-and-the-default-mode-network
#3
Nabila Brihmat, Mohamed Tarri, Yann Quidé, Ketty Anglio, Bernard Pavard, Evelyne Castel-Lacanal, David Gasq, Xavier De Boissezon, Philippe Marque, Isabelle Loubinoux
Virtual reality (VR)-based paradigms use visual stimuli that can modulate visuo-motor networks leading to the stimulation of brain circuits. The aims of this study were to compare the changes in blood-oxygenation level dependent (BOLD) signal when watching and imitating moving real (RH) and virtual hands (VH) in 11 healthy participants (HP). No differences were found between the observation of RH or VH making this VR-based experiment a promising tool for rehabilitation protocols. VH-imitation involved more the ventral premotor cortex (vPMC) as part of the mirror neuron system (MNS) compared to execution and VH-observation conditions...
December 14, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29160571/sacral-neuromodulation-and-pregnancy-results-of-a-national-survey-carried-out-for-the-neuro-urology-committee-of-the-french-association-of-urology-afu
#4
Pauline Roulette, Evelyne Castel-Lacanal, Sylvain Sanson, Romain Caremel, Véronique Phé, Stéphane Bart, Franck Duchêne, Marianne De Sèze, Alexia Even, Andréa Manunta, Maria C Scheiber-Nogueira, Pascal Mouracade, Catherine-Marie Loche, Emmanuel Chartier-Kastler, Alain Ruffion, Gilles Karsenty, Xavier Gamé
AIMS: To assess the impact of sacral neuromodulation (SNM) on pregnancy and vice-versa, by identifying women who had received SNM for lower-urinary tract symptoms (LUTS) and had become pregnant. METHODS: A cross-sectional descriptive study was carried out based on responses to an on-line questionnaire sent to practitioners listed on the InterStim enCaptureTM National Registry. Questions were related to pre-pregnancy health and SNM efficacy, deactivation of the device, its impact on LUTS, childbirth, the infant, its reactivation and postpartum effectiveness...
November 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29120669/schizophrenia-as-a-psychosomatic-illness-an-interdisciplinary-approach-between-lacanian-psychoanalysis-and-the-neurosciences
#5
Yorgos Dimitriadis
According to Lacan's theory of schizophrenia (as well as other delirious forms of psychosis), under certain conditions the signifying function breaks down, thus turning the schizophrenic individual's world into one in which a number of events become enigmatic and signal him or her. The schizophrenic individual tries to deal with these signs that besiege him or her either by means of an interpretative attitude (a stable delusional mood) or by apathy. These two types of responses correspond with the stereotypical (and mood) processes by which the schizophrenic individual attempts to avoid the distress provoked by the enigmatic desire of the Other, while simultaneously corresponding with psychosomatic processes of the brain organ...
November 9, 2017: Bulletin of the Menninger Clinic
https://www.readbyqxmd.com/read/28985963/cerebral-imaging-of-post-stroke-plasticity-and-tissue-repair
#6
REVIEW
I Loubinoux, N Brihmat, E Castel-Lacanal, P Marque
Six months after stroke onset, 50 % of patients are still disabled and dependent, while many brain mechanisms of recovery remain partially unknown or misunderstood. However, brain imaging and cerebral connectivity analytical techniques have provided invaluable insights into such mechanisms and identified two main patterns of brain reorganization depending on stroke severity. The contralesional primary motor cortex can take over motor function in severely impaired patients, whereas the ipsilesional motor cortex or hemisphere reorganize themselves in good recoverers...
November 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28983266/the-psychoanalytic-concept-of-jouissance-and-the-kindling-hypothesis
#7
REVIEW
Yorgos Dimitriadis
This article aims to define the conceptual field of jouissance in Lacanian theory, and put forth the hypothesis of a relationship between certain neurophysiological mechanisms and specific clinical phenomena where jouissance is "kindled" and outside the control of the symbolic process. First, the author briefly introduces Lacan's notion of jouissance and the way it draws on Freud's theorization, and describes the preliminary stages of this conceptual field in Lacan's work. Then, the jouissance related to two other concepts: repetition, with its Freudian and Lacanian nuances, as well as the-exclusively-Lacanian concept of the object petit a...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28977223/knowledge-and-practice-in-mental-health-nursing-care
#8
Teresa Cristina da Silva Kurimoto, Claudia Maria de Mattos Penna, Débora Isane Ratner Kirschbaum Nitkin
Objective: To understand mental health nursing care based on the concept of the subject of the unconscious proposed by Lacan. Method: A narrative study was carried out with 19 nurses, chosen based on their theoretical approach or referral by other participants, through the snowball sampling technique. The interviews were carried out in person or digitally, and were recorded and fully transcribed. Results: The analysis was carried out based on Freudian and Lacanian psychoanalysis, approaching nursing care as it acts on the body, secretions, and excretions, to distinguish it from the spirit of fineness...
September 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/28966601/the-lacanian-concept-of-paranoia-an-historical-perspective
#9
Thomas Lepoutre, Manoel L Madeira, Nicolas Guerin
This article seeks to reopen a major question raised by the Lacanian nosology of the psychoses, by looking closely at Lacan's formulations of what he never ceased referring to as "paranoia". While almost all classification systems of modern psychiatry, such as the ICD-10 and the DSM-5, have abandoned the specific category of paranoia, Lacan always viewed paranoia as a major category of "functional psychosis". He held that paranoia was a qualitatively different disorder than schizophrenia, and considered it to be the principal or exemplary form of psychosis...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28899192/book-review-errancias-freud-y-lacan-en-los-pagos-de-san-jos%C3%A3-de-mayo-wanderings-freud-and-lacan-in-the-region-of-san-jos%C3%A3-de-mayo-errancias-freud-y-lacan-en-los-pagos-de-san-jos%C3%A3-de-mayo-wanderings-freud-and-lacan-in-the-region-of-san-jos%C3%A3-de-mayo-by-gil-daniel
#10
https://www.readbyqxmd.com/read/28899187/book-review-l-%C3%A3%C2%AAtre-et-le-genre-homme-femme-apr%C3%A3-s-lacan-being-and-gender-man-woman-after-lacan-l-%C3%A3%C2%AAtre-et-le-genre-homme-femme-apr%C3%A3-s-lacan-being-and-gender-man-woman-after-lacan-by-leguil-clotilde-paris-puf-2015-xiv-226-pp-34-80-paperback
#11
https://www.readbyqxmd.com/read/28899173/the-presence-of-the-analyst-in-lacanian-treatment
#12
Joachim Cauwe, Stijn Vanheule, Mattias Desmet
Transference implies the actualization of the analyst in the analytic encounter. Lacan developed this idea through the syntagm presence of the analyst. In the course of his seminars, however, two completely different presences emerge, with major implications for how the treatment is directed. In the light of Lacan's idea that the transference is constituted in Real, Symbolic, and Imaginary dimensions, it can be seen how in his early work the analyst's presence is a phenomenon at the crossroads between signifiers and images...
August 2017: Journal of the American Psychoanalytic Association
https://www.readbyqxmd.com/read/28899118/book-review-lacan-on-love-an-exploration-of-lacan-s-seminar-viii-transference-lacan-on-love-an-exploration-of-lacan-s-seminar-viii-transference-by-fink-bruce-malden-ma-polity-press-2016-xii-253-pp-69-95-hardcover-22-75-paperback
#13
https://www.readbyqxmd.com/read/28890737/from-hard-neuro-tools-to-soft-neuro-toys-refocussing-the-neuro-enhancement-debate
#14
Jonna Brenninkmeijer, Hub Zwart
Since the 1990's, the debate concerning the ethical, legal and societal aspects of 'neuro-enhancement' has evolved into a massive discourse, both in the public realm and in the academic arena. This ethical debate, however, tends to repeat the same sets of arguments over and over again. Normative disagreements between transhumanists and bioconservatives on invasive or radical brain stimulators, and uncertainties regarding the use and effectivity of nootropic pharmaceuticals dominate the field. Building on the results of an extensive European project on responsible research and innovation in neuro-enhancement (NERRI), we observe and encourage that the debate is now entering a new and, as we will argue, more realistic and societally relevant stage...
2017: Neuroethics
https://www.readbyqxmd.com/read/28737868/languaje-what-makes-us-humans
#15
Horacio Lejarraga
Pediatrician carry out the surveillance of language in preschool children as one of the components of child development (language, fine and gross motor skills, etc.). However, language is more than that. The process of transformation of the magic meaning on the word present in the initial stages of human evolution (Myth period) into a new, symbolic meaning as representative of the object (Logos period) took around 40,000 years. With the mastering of language, man was capable of thinking; from then onwards, these two functions, thought and language, became inextricably linked, the evolved hand in hand...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28670947/genetic-background-of-the-sickle-cell-disease-pediatric-population-of-dakar-senegal-and-characterization-of-a-novel-frameshift-%C3%AE-thalassemia-mutation-hbb-c-265_266del-p-leu89glufs-2
#16
Fatou Gueye Tall, Cyril Martin, El Hadji Malick Ndour, Indou Déme Ly, Céline Renoux, Louis Chillotti, Nicolas Veyrenche, Philippe Connes, Papa Madieye Gueye, Rokhaya Ndiaye Diallo, Philippe Lacan, Ibrahima Diagne, Pape Amadou Diop, Aynina Cissé, Philomène Lopez Sall, Philippe Joly
Sickle cell disease is a genetic disorder with a large variability in the pattern and severity of clinical manifestations. Different genetic modulators have been identified but very few epidemiologic data are available on these modifier genes in Senegal. This study aimed to determine their prevalence in a Senegalese sickle cell disease pediatric population. The following genetic parameters were genotyped in 295 sickle cell disease children of the Dakar pediatric hospital: sickle cell disease genotype [β(S)/β(S) (HBB: c...
March 2017: Hemoglobin
https://www.readbyqxmd.com/read/28523673/the-function-of-language-in-parent-infant-psychotherapy
#17
Björn Salomonsson
Parent-infant psychotherapy, a rather new field in psychoanalysis, raises questions of how to conceptualize the clinical process. Previous publications have used semiotic concepts to account for the therapist's non-verbal communication and investigated the countertransference, including what the baby might grasp of its variations. The present paper focuses on another argument for using verbal interventions to a baby in therapy; they present him with a symbolic order that differs from that of the parent. The qualitative difference between the parent's and the analyst's address is conceptualized by Dolto's term parler vrai...
May 19, 2017: International Journal of Psycho-analysis
https://www.readbyqxmd.com/read/28504335/tele-analysis-the-use-of-media-technology-in-psychotherapy-and-its-impact-on-the-therapeutic-relationship
#18
Christian Roesler
A growing number of approaches in psychotherapy make use of internet- and other media-based interactions. This paper discusses the impact on the therapist-client relationship of using media technology and gives an overview of the current state of the debate. It is suggested that the technical conditions of internet-based interactions produce new forms of social relationships that differ significantly from face-to-face-interactions and that unconscious, nonverbal cues get lost. Research on the therapeutic interaction making use of 'discourse linguistic' methods is presented...
June 2017: Journal of Analytical Psychology
https://www.readbyqxmd.com/read/28473701/anxious-laughter-mauron-s-renversement-and-gogol-s-overcoat
#19
Alfie Bown
Inside and outside of psychoanalysis, laughter has often been thought of as relating to anxiety, with the usual line being that laughter can be a response to anxiety or a way of dealing with it. This article argues that laughter cannot be said to eradicate or 'deal with' anxiety and that laughter is always unsettling precisely because it contains anxiety and indicates its continuing threat. The article discusses Freud and Lacan on anxiety, as well as Charles Mauron, an understudied writer whose Psychocritique du Genre Comique was the only sustained study of psychoanalysis and comedy until very recently...
June 2017: American Journal of Psychoanalysis
https://www.readbyqxmd.com/read/28369970/the-name-of-the-piggle-reconsidering-winnicott-s-classic-case-in-light-of-some-conversations-with-the-adult-gabrielle
#20
Deborah Anna Luepnitz
On the 40th anniversary of its publication, the author re-reads Winnicott's The Piggle - a case of 'on demand analysis' with a child suffering from psychotic night terrors - in light of new information about the patient. Conversations between the author and 'Gabrielle' explore two areas not regarded as priorities by Winnicott: the transgenerational transmission of pathology/trauma, and the ways that language, in general - and given names, in particular - organize individual subjectivity. The question raised is to what degree Winnicott - who described the treatment as "psychoanalysis partagé [shared]" due to the parents' involvement - thought of the pathology itself as 'shared...
April 2017: International Journal of Psycho-analysis
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