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https://www.readbyqxmd.com/read/29232704/do-early-neural-correlates-of-visual-consciousness-show-the-oblique-effect-a-binocular-rivalry-and-event-related-potential-study
#1
Bradley N Jack, Urte Roeber, Robert P O'Shea
When dissimilar images are presented one to each eye, we do not see both images; rather, we see one at a time, alternating unpredictably. This is called binocular rivalry, and it has recently been used to study brain processes that correlate with visual consciousness, because perception changes without any change in the sensory input. Such studies have used various types of images, but the most popular have been gratings: sets of bright and dark lines of orthogonal orientations presented one to each eye. We studied whether using cardinal rival gratings (vertical, 0°, and horizontal, 90°) versus oblique rival gratings (left-oblique, -45°, and right-oblique, 45°) influences early neural correlates of visual consciousness, because of the oblique effect: the tendency for visual performance to be greater for cardinal gratings than for oblique gratings...
2017: PloS One
https://www.readbyqxmd.com/read/29231345/-research-progress-of-shenshu-bl-23
#2
Shan Gao, Rui Li, Huanhuan Tian
In order to accurately understand the location of Shenshu (BL 23) and to improve the efficacy of acupuncture, a discussion is performed in this paper from aspects of acupoint function, anatomical structure, experiment research, clinical application, etc., hoping to provide benefit for future animal experiments and clinical selection of acupoint. The characteristics of rat spine is different from that of human, and the reliability and authenticity of acupoint location would be compromised if the anatomical characteristics of human was inflexibly applied on animals...
August 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29230524/one-view-digital-breast-tomosynthesis-as-a-stand-alone-modality-for-breast-cancer-detection-do-we-need-more
#3
Alejandro Rodriguez-Ruiz, Albert Gubern-Merida, Mechli Imhof-Tas, Susanne Lardenoije, Alexander J T Wanders, Ingvar Andersson, Sophia Zackrisson, Kristina Lång, Magnus Dustler, Nico Karssemeijer, Ritse M Mann, Ioannis Sechopoulos
PURPOSE: To compare the performance of one-view digital breast tomosynthesis (1v-DBT) to that of three other protocols combining DBT and mammography (DM) for breast cancer detection. MATERIALS AND METHODS: Six radiologists, three experienced with 1v-DBT in screening, retrospectively reviewed 181 cases (76 malignant, 50 benign, 55 normal) in two sessions. First, they scored sequentially: 1v-DBT (medio-lateral oblique, MLO), 1v-DBT (MLO) + 1v-DM (cranio-caudal, CC) and two-view DM + DBT (2v-DM+2v-DBT)...
December 11, 2017: European Radiology
https://www.readbyqxmd.com/read/29229479/defining-normal-neonatal-abdominal-wall-musculature-with-ultrasonography
#4
Adam Ofri, Tim Schindler, Anthony Dilley, John Pereira, Susan Adams
INTRODUCTION: The development of new surgical approaches for the management of congenital abdominal wall defects may be facilitated by using an animal model. However, because the anatomy of the neonatal abdominal wall has not been described, a suitable model is yet to be identified. We aimed to evaluate and define the neonatal abdominal wall musculature using ultrasound, to be used as a reference to identify an appropriate animal model for the neonatal abdominal wall in the future. METHODS: Infants with a postconceptual age of less than one month weighing between 2 and 3 kg were eligible...
November 16, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29226469/surgical-anatomy-of-the-superficial-temporal-artery-to-prevent-facial-nerve-injury-during-arterial-biopsy
#5
Kang-Jae Shin, Hyun Jin Shin, Shin-Hyo Lee, Ki-Seok Koh, Wu-Chul Song
PURPOSE: To investigate the topographical relationship between the frontal branch of the superficial temporal artery (FSTA) and the temporal branch of the facial nerve (TFN) with the aim of preventing nerve injury during FSTA biopsy. METHODS: Fifty-seven hemifaces of 33 cadavers were dissected. Vertical lines drawn to the lateral orbital margin (LOM) and the superior root of the helix were used as the anterior and posterior reference positions, respectively. Horizontal lines drawn through the supraorbital margin and lateral canthus were used as the superior and inferior reference points, respectively...
December 11, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29226204/single-cut-distal-femoral-varus-osteotomy-scfo-a-preliminary-study
#6
Reza Abdi, Ramin Hajzargarbashi, Mohammad H Ebrahimzadeh
Background: Genu valgum usually originates from a deformity of distal femur that is often corrected by distal femoral varus osteotomy. The osteotomy includes both components of angulationcorrection and translation because the site of osteotomy is not commonly at the apex of deformity. Improvement of patellar tracking not only depends on valgus correction, but also it may be partially due to centralization of the trochlear groove under the femoral anatomical axis (FAA).We asked whether we could accurately correct the deformities based on our preoperative goals for the correction of the mechanical axis and centralization of the trochlear groove under the FAA by using a single bone cut...
September 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29226021/holmes-tremor-secondary-to-a-stabbing-lesion-in-the-midbrain
#7
Rubens Gisbert Cury, Egberto Reis Barbosa, Christian Freitas, Luis Filipe de Souza Godoy, Wellingson Silva Paiva
Background: The development of Holmes tremor (HT) after a direct lesion of the midbrain has rarely been reported in the literature, although several etiologies have been linked with HT, such as stroke, brainstem tumors, multiple sclerosis, head trauma, or infections. Phenomenology Shown: A 31-year-old male, having been stabbed in the right eye, presented with a rest and action tremor in the left upper limb associated with left hemiparesis with corresponding post-contrast volumetric magnetic resonance imaging T1 with sagittal oblique reformation showing the knife trajectory reaching the right midbrain...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/29224981/visuomotor-mental-rotation-of-a-saccade-the-contingent-negative-variation-scales-to-the-angle-of-rotation
#8
Matthew Heath, Francisco L Colino, Jillian Chan, Olave E Krigolson
The visuomotor mental rotation (VMR) of a saccade requires a response to a region of space that is dissociated from a stimulus by a pre-specified angle, and work has shown a monotonic increase in reaction times as a function of increasing oblique angles of rotation. These results have been taken as evidence of a continuous process of rotation and have generated competing hypotheses. One hypothesis asserts that rotation is mediated via frontoparietal structures, whereas a second states that a continuous shift in the activity of direction-specific neurons in the superior colliculus (SC) supports rotation...
December 7, 2017: Vision Research
https://www.readbyqxmd.com/read/29218683/comparison-of-mri-ct-dunn-45%C3%A2-and-dunn-90%C3%A2-alpha-angle-measurements-in-femoroacetabular-impingement
#9
Kevin M Smith, Brayden J Gerrie, Patrick C McCulloch, David M Lintner, Joshua D Harris
PURPOSE: To determine if a significant difference existed among alpha angle measurements between 4 imaging techniques, axial oblique CT and MRI, Dunn 45° and Dunn 90° plain radiographs, in patients with symptomatic cam femoroacetabular impingement (FAI) and labral tear. METHODS: A single-surgeon prospective radiographic analysis of consecutive non-arthritic and non-dysplastic patients with symptomatic FAI and labral tears who underwent surgery was performed. Alpha angle was measured using standard techniques as described by Nötzli...
December 4, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29209247/translation-adaptation-and-validation-of-the-brazilian-version-of-the-dickman-impulsivity-inventory-br-dii
#10
Áurea K V Gomes, Leandro F M Diniz, Guilherme M Lage, Débora M de Miranda, Jonas J de Paula, Danielle Costa, Maicon R Albuquerque
Impulsivity has mainly been described as a negative or dysfunctional characteristic associated with several disorders. However, impulsivity is not only related to dysfunctional outcomes and may explain individual differences in optimal human functioning as well. The Dickman Impulsivity Inventory (DII) is a self-report instrument measuring both the dysfunctional and the functional aspects of impulsivity. In this study, we performed the translation and cultural adaptation of the DII to the Brazilian context and analyzed its psychometric properties...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29209025/oblique-corpectomy-in-the-cervical-spine
#11
Tomasz Tykocki, Łukasz A Poniatowski, Marcin Czyz, Guy Wynne-Jones
STUDY DESIGN: A narrative review. OBJECTIVES: A literature review of studies reporting on the application of oblique corpectomy (OC) in various pathologies of the cervical spine. SETTING: UK. METHODS: A search was carried out using the PubMed and Google Scholar up to 18 March 2017. Finally, 26 studies met the inclusion criteria. RESULTS: A multilevel OC shows good clinical outcomes in various pathologies in the cervical spine...
December 5, 2017: Spinal Cord
https://www.readbyqxmd.com/read/29207986/risk-of-total-subtotal-meniscectomy-for-respective-medial-and-lateral-meniscus-injury-correlation-with-tear-type-duration-of-complaint-age-gender-and-acl-rupture-in-6034-asian-patients
#12
Dong Jiang, Xiao Luo, Yingfang Ao, Xi Gong, Yong-Jian Wang, Hai-Jun Wang, Yu Miao, Nan Li, Ji-Ying Zhang, Jia-Kuo Yu
BACKGROUND: To evaluate the risk factor associated with total or subtotal meniscectomy for respective medial and lateral meniscus injury. METHODS: The data of all the meniscus injured patients undergoing arthroscopy in our institute between January 15th, 2000 and December 31st, 2008 was collected and 6034 patients with 7241 injured menisci met the inclusion criteria. The mean patient age was 33.6 ± 14.9 years and there were 4785 males and 2456 females with 3568 medial and 3673 lateral menisci...
December 5, 2017: BMC Surgery
https://www.readbyqxmd.com/read/29207805/benign-lesions-on-screening-mammography-increasing-diagnostic-confidence-in-a-hitherto-unscreened-population
#13
Piyush Joshi, Rohit Sharma
Introduction: Screening mammography is used for detection of breast cancer and is interpreted using the Breast Image Reporting and Data System (BIRADS) convention. It is not routinely offered to women in countries which do not have a national screening programme resulting in a challenge for the radiologist who has to interpret these in the absence of previous mammograms. Aim: To analyse benign and probably benign lesions in screening mammograms in a hitherto unscreened population and suggest protocols to increase diagnostic confidence...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29206155/structurally-oriented-nano-sheets-in-co-thin-films-changing-their-anisotropic-physical-properties-by-thermally-induced-relaxation
#14
José Vergara, Cristina Favieres, César Magén, José María de Teresa, Manuel Ricardo Ibarra, Vicente Madurga
We show how nanocrystalline Co films formed by separated oblique nano-sheets display anisotropy in their resistivity, magnetization process, surface nano-morphology and optical transmission. After performing a heat treatment at 270 °C, these anisotropies decrease. This loss has been monitored measuring the resistivity as a function of temperature. The resistivity measured parallel to the direction of the nano-sheets has been constant up to 270 °C, but it decreases when measured perpendicular to the nano-sheets...
December 5, 2017: Materials
https://www.readbyqxmd.com/read/29204861/kinematically-aligned-total-knee-arthroplasty-reduces-knee-adduction-moment-more-than-mechanically-aligned-total-knee-arthroplasty
#15
Yasuo Niki, Takeo Nagura, Katsuya Nagai, Shu Kobayashi, Kengo Harato
PURPOSE: Knee adduction moment (KAM) has been recognized as a good clinical surrogate for medial tibiofemoral joint loading and is associated with implant durability after total knee arthroplasty (TKA). This study aimed to examine the effects of joint line obliquity in kinematically aligned TKA (KA-TKA) on KAM during gait. METHODS: The study enrolled 21 knees from 18 patients who underwent cylindrical axis reference KA-TKA and a matched group of 21 knees from 18 patients who underwent mechanically aligned (MA)-TKA as controls...
December 4, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29204802/direct-schmid-leiman-transformations-and-rank-deficient-loadings-matrices
#16
Niels G Waller
The Schmid-Leiman (S-L; Psychometrika 22: 53-61, 1957) transformation is a popular method for conducting exploratory bifactor analysis that has been used in hundreds of studies of individual differences variables. To perform a two-level S-L transformation, it is generally believed that two separate factor analyses are required: a first-level analysis in which k obliquely rotated factors are extracted from an observed-variable correlation matrix, and a second-level analysis in which a general factor is extracted from the correlations of the first-level factors...
December 4, 2017: Psychometrika
https://www.readbyqxmd.com/read/29204377/detection-of-pulmonary-nodules-in-low-dose-computed-tomography-using-localized-active-contours-and-shape-features
#17
Zahra Nadealian, Behzad Nazari, Saeid Sadri, Mohammad Momeni
Background: Pulmonary nodules are symptoms of lung cancer. The shape and size of these nodules are used to diagnose lung cancer in computed tomography (CT) images. In the early stages, nodules are very small, and radiologist has to refer to many CT images to diagnose the disease, causing operator mistakes. Image processing algorithms are used as an aid to detect and localize nodules. Methods: In this paper, a novel lung nodules detection scheme is proposed. First, in the preprocessing stage, our algorithm segments two lung lobes to increase processing speed and accuracy...
October 2017: Journal of Medical Signals and Sensors
https://www.readbyqxmd.com/read/29203853/quantitative-analysis-of-inflammation-in-orbital-fat-of-thyroid-associated-ophthalmopathy-using-mri-signal-intensity
#18
Tomoaki Higashiyama, Maki Iwasa, Masahito Ohji
We quantitatively analyzed inflammation in orbital fat from cases of thyroid-associated ophthalmopathy (TAO) using short-tau inversion recovery (STIR) sequences from magnetic resonance imaging. The signal intensity ratios (SIRs) of orbital fat as well as the superior rectus (SR), inferior rectus (IR), lateral rectus (LR), medial rectus (MR), and superior oblique (SO) muscles on STIR images were measured in 70 eyes from 70 treatment-naive TAO patients (active TAO group, 19 patients; inactive TAO group, 51 patients) and 20 eyes from 20 controls...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29202995/an-evaluation-of-the-herscovici-classification-for-fractures-of-the-medial-malleolus
#19
Stuart A Aitken, Ian Johnston, Angus C Jennings, Ivan T H Chua, Richard E Buckley
BACKGROUND: Despite its use in the literature, the application of the Herscovici classification system for medial malleolus fractures has not been evaluated. METHODS: We aimed to determine the reliability and accuracy of the Herscovici classification. The blinded radiographs of 130 patients were independently classified by four orthopaedic trauma surgeons. We held a consensus meeting where observers agreed on a final classification and this served as our reference standard...
December 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29202353/giant-interparietal-inguinal-hernia-with-undescended-testis-a-rare-case-report
#20
Anil Kumar, Shiv Shankar Paswan, Anita Paswan, Rekha Kumari, Vimal Bhandari
INTRODUCTION: An interparietal inguinal hernia is a rare form of hernia. In this type of hernia, the sac passes between the layers of the abdominal wall of the inguinal canal area. Although its treatment is very simple but pre-operative diagnosis is really a challenging issue. PRESENTATION OF CASE: A 62 years old male patient presented with complaint of a large swelling over right lower abdomen with absence of right testes since birth. The lump was measured 26×22cm in size...
November 14, 2017: International Journal of Surgery Case Reports
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