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Limitations of Perceptual Segmentation on Contextual Cueing in Visual Search
VISUAL COGNITION, 2011, 19 (2), 203Á233 Limitations of perceptual segmentation on contextual cueing in visual search Markus Conci1 and Adrian von Mu¨hlenen2 1Department Psychologie, Ludwig-Maximilians Universita¨tMu¨nchen, Mu¨nchen, Germany 2Department of Psychology, University of Warwick, Warwick, UK In visual search, detection of a target in a repeated layout is faster than search within a novel arrangement, demonstrating that contextual invariances can implicitly guide attention to the target location (‘‘contextual cueing’’; Chun & Jiang, 1998). Here, we investigated how display segmentation processes influence contextual cueing. Seven experiments showed that grouping by colour and by size can considerably reduce contextual cueing. However, selectively attending to a relevant subgroup of items (that contains the target) preserved context-based learning effects. Finally, the reduction of contextual cueing by means of grouping affected both the latent learning and the recall of display layouts. In sum, all experiments show an influence of grouping on contextual cueing. This influence is larger for variations of spatial (as compared to surface) features and is consistent with the view that learning of contextual relations critically interferes with processes that segment a display into segregated groups of items. Keywords: Contextual cueing; Implicit learning; Perceptual grouping; Visual search. Complex, natural environments require the visual system to focus only on Downloaded By: [Bayerische Staatsbibliothek] At: 09:25 9 February 2011 goal-relevant aspects of a scene while suppressing irrelevant information. Therefore, attention is concerned with selecting only a subset of significant Please address all correspondence to Markus Conci, Allgemeine und Experimentelle Psychologie, Department Psychologie, Ludwig-Maximilians Universita¨t, Leopoldstr. 13, D-80802 Mu¨nchen, Germany. -
Tactile Hallucinations in Rheumatoid Arthritis Patient in Use Of
ISSN: 2572-4053 de Oliveira Ribeiro et al. J Sleep Disord Manag 2019, 5:021 DOI: 10.23937/2572-4053.1510021 Volume 5 | Issue 1 Journal of Open Access Sleep Disorders and Management CASE REPORT Tactile Hallucinations in Rheumatoid Arthritis Patient in Use of Agomelatine, Painkiller and Methotrexate, Case Report and Possible Mechanisms Natalia Pinho de Oliveira Ribeiro*, Alexandre Rafael de Mello Schier, Christina Maria Pinho de Oliveira and Adriana Cardoso Silva Check for updates Laboratory of Panic and Respiration, Institute of Psychiatry, Brazil *Corresponding author: Natalia Pinho de Oliveira Ribeiro, Laboratory of Panic and Respiration, Institute of Psychiatry, UFRJ, R Visconde de Piraja, 407/702, Rio de Janeiro - RJ - 22410-003, Brazil, Tel: 5521-25216147, Fax: 5521-25236839 of the disease [4]. The treatment includes analgesics, Abstract Nonsteroidal Anti-inflammatory Drug (NSAIDs), cortico- Rheumatoid arthritis (RA) is an autoimmune disease. RA steroids and drugs known as disease-modifying drugs patients may undertake traditional therapy with antidepres- sants to control the depressive symptoms and to reduce (DMDs), this last is responsible for 20 to 25% of remis- their pain levels. This is the case of a patient with RA who sions achieved [5]. presented with tactile hallucinations. On the second day of the pain crisis, the RA patient used agomelatine and a pain- RA Patients can have associated with traditional killer and showed symptoms of tactile hallucination. This is therapy to some antidepressants control the depres- the first report of tactile hallucinations in this context. There sive Symptoms and reduced pain levels as the selec- isn’t any other scientific communication about this resultant tive serotonin reuptake inhibitor (SSRIs). -
Sleep-Effects on Implicit and Explicit Memory in Repeated Visual Search
Sleep-Effects on Implicit and Explicit Memory in Repeated Visual Search Thomas Geyer1*., Hermann J. Mueller1,2., Leonardo Assumpcao2, Steffen Gais1 1 Department Psychologie, Ludwig-Maximilians-Universita¨t, Mu¨nchen, Germany, 2 Department of Psychological Sciences, Birkbeck College, University of London, London, United Kingdom Abstract In repeated visual search tasks, facilitation of reaction times (RTs) due to repetition of the spatial arrangement of items occurs independently of RT facilitation due to improvements in general task performance. Whereas the latter represents typical procedural learning, the former is a kind of implicit memory that depends on the medial temporal lobe (MTL) memory system and is impaired in patients with amnesia. A third type of memory that develops during visual search is the observers’ explicit knowledge of repeated displays. Here, we used a visual search task to investigate whether procedural memory, implicit contextual cueing, and explicit knowledge of repeated configurations, which all arise independently from the same set of stimuli, are influenced by sleep. Observers participated in two experimental sessions, separated by either a nap or a controlled rest period. In each of the two sessions, they performed a visual search task in combination with an explicit recognition task. We found that (1) across sessions, MTL-independent procedural learning was more pronounced for the nap than rest group. This confirms earlier findings, albeit from different motor and perceptual tasks, showing that procedural memory can benefit from sleep. (2) Likewise, the sleep group compared with the rest group showed enhanced context-dependent configural learning in the second session. This is a novel finding, indicating that the MTL-dependent, implicit memory underlying contextual cueing is also sleep-dependent. -
University of Groningen the Long and the Short of Priming in Visual Search
University of Groningen The long and the short of priming in visual search Kruijne, Wouter; Meeter, Martijn Published in: Attention, Perception & Psychophysics DOI: 10.3758/s13414-015-0860-2 IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite from it. Please check the document version below. Document Version Publisher's PDF, also known as Version of record Publication date: 2015 Link to publication in University of Groningen/UMCG research database Citation for published version (APA): Kruijne, W., & Meeter, M. (2015). The long and the short of priming in visual search. Attention, Perception & Psychophysics, 77(5), 1558-1573. https://doi.org/10.3758/s13414-015-0860-2 Copyright Other than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons). The publication may also be distributed here under the terms of Article 25fa of the Dutch Copyright Act, indicated by the “Taverne” license. More information can be found on the University of Groningen website: https://www.rug.nl/library/open-access/self-archiving-pure/taverne- amendment. Take-down policy If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons the number of authors shown on this cover page is limited to 10 maximum. -
Supplementary Materials For
stm.sciencemag.org/cgi/content/full/13/591/eabc8362/DC1 Supplementary Materials for Robot-induced hallucinations in Parkinson’s disease depend on altered sensorimotor processing in fronto-temporal network Fosco Bernasconi, Eva Blondiaux, Jevita Potheegadoo, Giedre Stripeikyte, Javier Pagonabarraga, Helena Bejr-Kasem, Michela Bassolino, Michel Akselrod, Saul Martinez-Horta, Frederic Sampedro, Masayuki Hara, Judit Horvath, Matteo Franza, Stéphanie Konik, Matthieu Bereau, Joseph-André Ghika, Pierre R. Burkhard, Dimitri Van De Ville, Nathan Faivre, Giulio Rognini, Paul Krack, Jaime Kulisevsky*, Olaf Blanke* *Corresponding author. Email: [email protected] (O.B.); [email protected] (J.K.) Published 28 April 2021, Sci. Transl. Med. 13, eabc8362 (2021) DOI: 10.1126/scitranslmed.abc8362 The PDF file includes: Materials and Methods Fig. S1. riPH (patients with PD and HC). Fig. S2. Analysis of the movement patterns during the sensorimotor stimulation. Fig. S3. The different conditions assessed with MR-compatible robotic system. Fig. S4. Sensorimotor conflicts present in the robotic experiment. Fig. S5. riPH network. Fig. S6. Lesion network mapping analysis. Fig. S7. Lesion connectivity with the riPH network. Fig. S8. Control regions for the resting-state fMRI analysis of patients with PD. Fig. S9. Correlation between functional connectivity and posterior-cortical cognitive score. Table S1. Phenomenology of the sPH in PD. Table S2. Clinical variables for PD-PH and PD-nPH. Table S3. Clinical variables for PD-PH and HC. Table S4. Mean ratings for all questions and experimental conditions. Table S5. Statistical results for the ratings for all questions (from asynchronous versus synchronous stimulation) and experimental conditions. Table S6. Statistical results for sensorimotor delay dependency, when comparing PD-PH and HC. -
Traditional Medicine and Ethnomedical Research
International Conference on TRADITIONAL MEDICINE AND ETHNOMEDICAL RESEARCH OCTOBER 24-25, 2019 ToKYO, JAPAN Theme: Healthy Life in Natures Lap Radisson Hotel Narita 286-0221 Chiba Tomisato-shi Nakaei 650-35 Tokyo, Japan @ICTM2019 TraditionalMedicine_EthnoMedicine_2019 ICTM https://traditional-medicine-conferences.magnusgroup.org/ EXHIBITOR 2019 ICTM 2019 BOOK OF ABSTRACTS International Conference on TRADITIONAL MEDICINE AND EtHNOMEDICAL RESEARCH Theme: Healthy Life in Natures Lap October 24-25, 2019 Tokyo, Japan INDEX Contents Pages Welcome Message 8 Keynote Speakers 10 About the Host 11 About Exhibitor 12 Keynote Session (Day 1) 13 Speaker Session (Day 1) 19 Keynote Session (Day 2) 37 Speaker Session ( Day 2) 43 Poster Presentations 66 Attendees Mailing List 74 ICTM 2019 Abuzar Ansari Amrita Sharma Annette Booiman Arturo Huerta-López Baohong Jiang Ewha Womens University Amrita’s Ayuryogavidya, a Mensendieckmoves, Comunidad Biocultural, A.C., Shanghai Institute of Materia Mokdong Hospital, Korea centre of excellence for well- Netherlands México Medica, China ness and holistic health, India Barend van Heerden Bernd-Michael Löffler Chanin Sillapachaiyaporn Charles Shang Chen Che-Yi Indian Board of Alternative Institute for Mitochondrial Chulalongkorn University, University Of Texas MD Ander- Taipei Medical University, Medicine, South Africa Medicine, Germany Thailand son Cancer Center, USA Taiwan Chihiro Sugita Dominique de Rocca Serra Fai Chan Fossion Jean G. R. Padmasiri Kyushu University of Health University of Corsica Deli Aroma LLC Group Investigation of dys-Au- University of the Visual and and Welfare, Japan France USA tonomy (GidA), Belgium Performing Arts, Sri Lanka Geoffrey W Abbott Hiroyoshi Tahata Irmgard Rose Parys James Teng Jia-Ming Chen University of California, Japanese Rolfing Association, Community Practice Dres. -
42711 IPEG Programmaboekje
19 th Biennial Conference 19th Biennial Conference October 26th – 30th 2016 October 26 Nijmegen, the Netherlands th – 30 th 2016 Nijmegen, the Netherlands 2016 Nijmegen, 42711 IPEG programmaboekje omslag.indd 1 06-10-16 17:52 The “International Pharmaco-EEG Society, Association for Electrophysiological Brain Research in Preclinical and Clinical Pharmacology and Related Fields” (IPEG) is a non-profit organization, established in 1980 and composed of scientists and researchers actively involved in electrophysiological brain research in preclinical and clinical pharmacology, neurotoxicology and related areas of interest. my.thesis nl for the design of your Thesis & to show your Thesis 42711 IPEG programmaboekje omslag.indd 2 06-10-16 17:52 IPEG 2016 in Nijmegen | 1 Welcome to Nijmegen, dear attendants of the 19th IPEG meeting. Nijmegen, a 2000 year old city; Nijmegen, a Roman and a medieval city; Nijmegen, the home town of the first catholic university funded by the Faithfull to improve education of a suppressed part of the Netherlands; Nijmegen, the city that heavily suffered in WWII; Nijmegen, the home town of the Donders Institute. Nijmegen, as we hope and trust, your home town for the upcoming IPEG meeting. As you all know, electrophysiological brain research has a long tradition going back as far as 1875 when the first report on the animal electroencephalogram (EEG) was published by Caton. The often forgotten Polish physiologist Adolf Beck was also a EEG pioneer many years before Hans Berger’s initial reports. Beck recorded electrical potentials in several brain areas evoked by peripheral sensory stimuli. Using this technique, Beck localised various centres in the brain of several animal species and described desynchronization in electrical brain potentials. -
Functional Connectivity Changes in Cerebral Small
Schulz et al. BMC Medicine (2021) 19:103 https://doi.org/10.1186/s12916-021-01962-1 RESEARCH ARTICLE Open Access Functional connectivity changes in cerebral small vessel disease - a systematic review of the resting-state MRI literature Maximilian Schulz1, Caroline Malherbe1,2, Bastian Cheng1, Götz Thomalla1 and Eckhard Schlemm1* Abstract Background: Cerebral small vessel disease (CSVD) is a common neurological disease present in the ageing population that is associated with an increased risk of dementia and stroke. Damage to white matter tracts compromises the substrate for interneuronal connectivity. Analysing resting-state functional magnetic resonance imaging (fMRI) can reveal dysfunctional patterns of brain connectivity and contribute to explaining the pathophysiology of clinical phenotypes in CSVD. Materials and methods: This systematic review provides an overview of methods and results of recent resting- state functional MRI studies in patients with CSVD. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) protocol, a systematic search of the literature was performed. Results: Of 493 studies that were screened, 44 reports were identified that investigated resting-state fMRI connectivity in the context of cerebral small vessel disease. The risk of bias and heterogeneity of results were moderate to high. Patterns associated with CSVD included disturbed connectivity within and between intrinsic brain networks, in particular the default mode, dorsal attention, frontoparietal control, and salience networks; decoupling of neuronal activity along an anterior–posterior axis; and increases in functional connectivity in the early stage of the disease. Conclusion: The recent literature provides further evidence for a functional disconnection model of cognitive impairment in CSVD. -
A Lawyer Presents the Case for the Afterlife
A Lawyer Presents the Case for the Afterlife Victor James Zammit 2 Acknowledgements: My special thanks to my sister, Carmen, for her portrait of William and to Dmitri Svetlov for his very kind assistance in editing and formatting this edition. My other special thanks goes to the many afterlife researchers, empiricists and scientists, gifted mediums and the many others – too many to mention – who gave me, inspiration, support, suggestions and feedback about the book. 3 Contents 1. Opening statement............................................................................7 2. Respected scientists who investigated...........................................12 3. My materialization experiences....................................................25 4. Voices on Tape (EVP).................................................................... 34 5. Instrumental Trans-communication (ITC)..................................43 6. Near-Death Experiences (NDEs) ..................................................52 7. Out-of-Body Experiences ..............................................................66 8. The Scole Experiment proves the Afterlife ................................. 71 9. Einstein's E = mc2 and materialization.........................................77 10. Materialization Mediumship.......................................................80 11. Helen Duncan................................................................................90 12. Psychic laboratory experiments..................................................98 13. Observation -
Rhine Online Psi Research News-Magazine Volume 2 / Issue 2 – Summer 2010
Rhine Online Psi Research News-Magazine Volume 2 / Issue 2 – Summer 2010 Table of Contents Submission Guidelines ............................................................................................................................. Editorial Overview ................................................................................................................................... Shamanism and Healing: A Personal Perspective ..................................................................................... Anthropology and the Ontological Status of the Paranormal..................................................................... Interview with Christine Simmonds-Moore .............................................................................................. A Report of Spiritual Healing, Spontaneous Macro-PK, and Sympathetic Body Sensations Between Closely-Bonded Friends ........................................................................................................................... Taskings & Responses An Interview with Joe McMoneagle..................................................................... PSI Chronicles - The Case of the Wounded Kitten.................................................................................... The Healing Power of Dolphins................................................................................................................ Recent Rhine Events................................................................................................................................ -
Truly Transformative: Assessing the Impacts of Learning Focused Intention Technique®
TRULY TRANSFORMATIVE: ASSESSING THE IMPACTS OF LEARNING FOCUSED INTENTION TECHNIQUE® By KATHERINE BIRD Integrated Studies Project submitted to Reinekke Lengelle in partial fulfillment of the requirements for the degree of Master of Arts – Integrated Studies Athabasca, Alberta March, 2012 Truly Transformative Assessing the impacts of learning Focused Intention Technique Katherine Bird Table of Contents Abstract 1 Introduction 2 Defining Formal and Non-formal Education 4 Theoretical Background 7 The transformative education perspective 8 The feminist perspective 11 The Question of Legitimacy 13 The Training 17 The Research Project 36 The research intention 36 The method 38 The results 40 Conclusion 56 Sources 60 Appendix 1 66 Appendix 2 67 i Truly Transformative Assessing the impacts of learning Focused Intention Technique Katherine Bird List of Figures Figure 1 The Whole Self Model 21 Figure 2 Participant Demographics 40 Figure 3a Stated Issues: Physical/Health 42 Figure 3b Stated Issues: Physical/Social/Environment 44 Figure 3c Stated Issues: Spiritual/Belief 45 Figure 3d Stated Issues: Mental/cognitive 46 Figure 3e Stated Issues: Emotional 47 Figure 4 Holistic Assessment Part 1: Mean Scores 48 Figure 5 Holistic Assessment Part 2: Participant Totals 50 Figure 6 Holistic Assessment Part 2: Mean Scores 51 Figure 7 Percentage Reduction Totals 52 Figure 8 HRV Score Comparisons 53 ii Truly Transformative Assessing the impacts of learning Focused Intention Technique Katherine Bird Abstract Throughout North America there are scores of well-attended programs training participants to apply alternative/complementary health approaches for their own or professional use. While the exclusive influence of the medical discipline is beginning to accept that patients are seeking alternative roads to mental and emotional healing, empirical evidence remains the crux of formal recognition by mainstream health systems. -
MUFON UFO Journal Is Published Monthly by MUFON on the Internet Owners
October 2008 No. 486 $4.00 In this UFO Journal issue McDonnell Douglas’s UFO Project 3 The Woman with Blue Blood 9 Misidentification of common objects in the sky 10 Life elsewhere in the universe? 11 Tri-State meeting 12 Book review Alien Experiences 15 Regular Features Director’s Message 2 Calendar 13 Statistical Report 14 Stan Friedman: Sovereignty & the UFO 16 Filer’s Files 18 CMS Rankings 21 McDonnell Douglas studied Night Sky 24 UFOs in the 1960s October 2008 Number 486 Director’s Message By James Carrion MUFON 2009 is 40th Anniversary Year for MUFON UFO Journal The UFO Phenomenon has so story to tell in this issue of the Journal many layers that when you think one about how he proposed and participated (USPS 002970) has peeled away, three more layers in one such UFO (ISSN 02706822) seem to replace it. Part of this illusion research project relates to the multiple aspects of the while working at Mutual UFO Network phenomena that overlap, blend and a major aerospace 155 E. Boardwalk Drive masquerade as each other. Which UFOs company. Bob’s Suite 300 represent our own exotic aircraft and passion for the Fort Collins, CO 80525 which ones represent otherworldly subject of UFOs Tel: 970-232-3110 technology? Since the Air Force isn’t is as strong today Fax: 866-466-9173 going to fess up to what they are as it was 40 years [email protected] experimenting with, we can only ago and MUFON speculate. One thing is for certain, the is fortunate to International Director military industrial complex would love have him on our James Carrion James Carrion, M.A.