Miracle-dz/UniFAR-FTUs huggingface dataset:
On the Capacity of Massive MIMO With One-Bit ADCs and DACs at the Receiver and the Transmitter

In this paper, we investigate the capacity of massive (i.e., infinite number of transmit antennas) multiple-input multiple-output (MIMO) systems with 1-bit digital-to-analog converters (DACs) and 1-bit analog-to-digital-converters (ADCs) at the transmitter and at the receiver. As a result of the 1bit DACs and ADCs, the transmitted and received symbols, as well as the transmitand receive-side channel state information (CSI), are assumed to be quantized to one bit of information. The derived results show that the capacity of such massive MIMO system is N bits per channel use when M → ∞ and N < ∞, where M and N denote the number of transmit and receive antennas, respectively. On the other hand, when N → ∞, the capacity of the considered 1-bit quantized MIMO system is unlimited if M N2 → ∞ holds. We show that in both cases the capacity can be achieved in one channel use without using channel coding, which results in a latency of one channel use. Moreover, the capacity can be achieved with 1-bit CSI at the transmitter and without any CSI at the receiver.
Online suicide risk screening and intervention with college students: a pilot randomized controlled trial.

OBJECTIVE This pilot randomized controlled trial examined the effect of an online intervention for college students at risk for suicide, Electronic Bridge to Mental Health Services (eBridge), which included personalized feedback and optional online counseling delivered in accordance with motivational interviewing principles. Primary outcomes were readiness to seek information or talk with family and friends about mental health treatment, readiness to seek mental health treatment, and actual treatment linkage. METHOD Participants were 76 college students (45 women, 31 men; mean age = 22.9 years, SD = 5.0 years) at a large public university who screened positive for suicide risk, defined by at least 2 of the following: suicidal thoughts, history of suicide attempt, depression, and alcohol abuse. Racial/ethnic self-identifications were primarily Caucasian (n = 54) and Asian (n = 21). Students were randomized to eBridge or the control condition (personalized feedback only, offered in plain report format). Outcomes were measured at 2-month follow-up. RESULTS Despite relatively modest engagement in online counseling (29% of students posted ≥1 message), students assigned to eBridge reported significantly higher readiness for help-seeking scores, especially readiness to talk to family, talk to friends, and see a mental health professional. Students assigned to eBridge also reported lower stigma levels and were more likely to link to mental health treatment. CONCLUSIONS Findings suggest that offering students personalized feedback and the option of online counseling, using motivational interviewing principles, has a positive impact on students' readiness to consider and engage in mental health treatment. Further research is warranted to determine the robustness of this effect, the mechanism by which improved readiness and treatment linkage occurs, and the longer term impact on student mental health outcomes.
Feasibility of Gestural Feedback Treatment for Upper Extremity Movement in Children With Cerebral Palsy

External feedback of performance is an important component of therapy, especially for children with impairments due to cerebral palsy because they lack intrinsic experience of “good movements” to compare effort and determine performance outcomes. A robotic therapy system was developed to provide feedback for specific upper extremity movements (gestures) which are therapeutically desirable. The purpose of this study was to compare changes in forearm supination/pronation or wrist extension/flexion motion following conventional therapy and gestural robotic feedback therapy intervention. Six subjects with cerebral palsy (ages 5-18, GMFCS level IV-three subjects, level III-one subject, and level I-two subjects) participated in a blinded crossover design study of conventional and robotic feedback therapy targeting either forearm supination or wrist extension. Functional upper extremity motion at baseline and following conventional and robotic feedback therapy interventions were obtained using a motion capture system by personnel blinded to the intervention order. All activities were approved by IRB. Use of the robotic feedback system did result in slightly increased movement in the targeted gesture without change in untargeted motions. Data also suggest a decrease in both agonist and antagonist motion following conventional therapy intervention. Results suggest improved motion when robotic feedback therapy intervention precedes conventional therapy intervention. Robotic feedback therapy is no different than conventional therapy to improve supination or wrist extension function in upper extremity impairments of children with cerebral palsy when changes were considered as aggregate data. In this very small group of diverse patients, individual subject results suggested that intervention order could be responsible for obscuring differences due to intervention type. Outcomes from several individual subjects suggest that results could be different given a more homogeneous group of subjects which future studies should be considered to ultimately determine efficacy of the robotic feedback therapy. Future studies should also address efficacy in other neuromuscular patient populations.
Randomized Trial The Effects of Radiofrequency Neurotomy Using a Strip-Lesioning Device on Patients with Sacroiliac Joint Pain : Results from a Single-Center , Randomized , Sham-Controlled Trial

relief for sacroiliac joint (SIJ) pain. A recent advancement in RFN is a strip lesioning technique that involves placement of a single curved electrode and a 3-pole design that facilitates the creation of 5 overlapping lesions. These lesions form one long strip lesion accessible through a single entry point, without the need for multiple punctures. Although the early case series data looks promising, there is lack of long-term, randomized, controlled study evaluating the strip-lesioning system for SIJ pain.
Towards an Integrated Approach of Conducting Fungal Research in Costa Rica

espanolCosta Rica es un pais pequeno en la region centroamericana, con una reciente historia de investigacion micologica. Sin embargo, algunas diferencias comparativas con otros paises de la region biologica mesoamericana han promovido el estudio de los hongos y su integracion con el manejo de los recursos naturales. Aun cuando todavia existe un sinnumero de elementos por cubrir en Costa Rica, para una incorporacion robusta de datos micologicos en la conservacion y el desarrollo de agendas politicas sobre recursos naturales, algunas ventajas regionales han permitido que este pais avance hacia tal objetivo mas rapidamente que otros. Iniciativas de micoalfabetizacion y ciencia popular parecen ser los siguientes pasos para normalizar desequilibrios en la percepcion sobre los hongos, que tienen diferentes regiones en Costa Rica, con el proposito de instar interacciones con estos organismos. No obstante, en terminos generales, la sociedad costarricense parece estar mas atenta al potencial de los hongos como fuente alimenticia y medicinal, al igual que a reconocer el rol de dichos organismos de facilitar servicios ecosistemicos. De esta forma, la conservacion de hongos y su manejo parecen ser mas faciles de llevarse a cabo en este territorio que en otras areas del mundo, donde mucho menos informacion sobre ellos ha llegado a la poblacion general. EnglishCosta Rica is a small country in Central America with a recent history of fungal research. However, comparative differences with other territories in the Mesoamerican Biodiversity Hotspot region have promoted the study of fungi and the integration of fungal information with natural resource management. Even though there is still a large number of multidisciplinary aspects to cover in Costa Rica for robust incorporation of fungal data in conservation and political and developmental agendas, regional advantages have allowed this country to move towards such goal more rapidly than other countries in this part of the world. Mycoliteracy-centered and citizen science initiatives seem to be the next step in order to normalize disparities in fungal perception across regions within the country and promote social interaction with fungi. However, in general terms, the Costa Rican society seems to be aware of the potential of fungi as a source of food and medicines and their remarkable contribution through ecosystem services. In this manner, fungal conservation and management seem easier to conduct in this territory than in other regions of the world where less information on fungi has reached the general population.
L 2 Children ' s Sex PoleS-- ? ?

rnwo studies were conducted. The first examined children's assessments of the r,ocial desirability of traits which they theffiselves considered to be eithe: male-or fenale-stereotyped. It was found that both boys and girls preferred traits which they attributed to their own sex over traits. which they attributed to the. opposite S9x. These findings were stronger for girls than for boys_ Furthermore, girls judged traits they considered feminine to be more (desirable than'boys judged traits which they (boys) aonsidered to be masculine. It was concluded that:gitls exceeded boys in preferenae for their own sex role. The second study examined tea:her ratings of children whose self-concepts mare or less. reflected masculine vs. feminine normS. Teachers rated.bo. th academic ability and general social adjustiaent, includina_need for Mental health referral; Among boys,. those with Mote masculine self concepts were rated as inferior in al)ustment and academic ability, although IQ was actually unr,-lated to masculinity. Among girls, masculine feminine self-concept was unrelated to teacher ratings. It was concluded that 'boys find themselves in conflict between seX-tole consistency . and \tea. _7hecs' expectations. (Author)
A Method for Projecting Features from Observed Sets of Phonological Classes

Abstract Given a set of phonological features, we can enumerate a set of phonological classes. Here we consider the inverse of this problem: given a set of phonological classes, can we derive a feature system? We show that this is indeed possible, using a collection of algorithms that assign features to a set of input classes and differ in terms of what types of features are permissible. This work bears on theories of both language-specific and universal features, provides testable predictions of the featurizations available to learners, and serves as a useful component in computational models of feature learning.
Perioperative Glucose Infusion and the Catabolic Response to Surgery: The Effect of Epidural Block

Although the nitrogen-sparing properties of epidural block and IV glucose on the days after surgical trauma have been well established, their metabolic effects during the acute phase of the stress response remain unclear. Therefore, in this study we investigated the effect of epidural block on glucose and protein kinetics during and immediately after surgery in patients receiving IV glucose at 2 mg · kg−1 · min−1. Sixteen patients undergoing colorectal surgery received either general anesthesia with epidural block with bupivacaine (EDA;n = 8) or general anesthesia alone (control;n = 8). Glucose and protein kinetics were determined during and 2 h after the operation by stable isotope tracers [6,6-2H2]glucose and L-[1-13C]leucine. Plasma concentrations of glucose, insulin, cortisol, and glucagon were also determined. Epidural block attenuated the perioperative increase in plasma glucose concentration (P < 0.05). The rate of appearance of glucose (Ra glucose) and endogenous glucose production (EGP) were slower in the EDA group than in control subjects during (Ra glucose, EDA 13.2 ± 1.0 versus control 15.3 ± 1.8 &mgr;mol · kg−1 · min−1;P < 0.05; EGP, EDA 1.2 ± 1.2 versus control 3.8 ± 1.7 &mgr;mol · kg−1 · min−1;P < 0.05) and after the operation (P > 0.05). Whereas protein breakdown and amino acid oxidation decreased in both groups (P < 0.05), whole-body protein synthesis remained unchanged. Insulin levels increased with both anesthetic techniques (P < 0.05). Intraoperative plasma concentrations of cortisol and glucagon were smaller in the EDA group (P < 0.05). The intraoperative suppression of EGP by exogenous glucose was more pronounced in the presence of epidural block. However, epidural block failed to exert a protein-sparing effect during the acute phase of the stress response in patients receiving IV glucose.
Capsule Endoscopy's Impact on Clinical Management and Outcomes: A Single-Center Experience With 145 Patients

BACKGROUND:Capsule endoscopy (CE) is a new technology that has been shown to have superior diagnostic yield compared with other methods of evaluating the small bowel. However, there have not been many studies supporting capsule endoscopy's impact on clinical outcomes. This study is a chart review evaluating the diagnostic yield and the impact of CE on management and clinical outcomes.METHODS:Retrospective chart review was performed on 145 patients who had undergone capsule endoscopy. Demographic characteristics, indication, prior diagnostic tests, capsule findings, interventions, and clinical outcomes up to 8 months following CE were evaluated. Indications included five main categories that were overt gastrointestinal (GI) bleed, occult GI bleed, abdominal pain, Crohn's disease, and iron deficiency anemia. Findings on capsule endoscopy were classified into angiodysplasias, ulcers, gastritis and/or duodenitis, ulcers suggestive of Crohn's and normal findings. Interventions performed based on capsule findings were recorded, which included the discontinuation of nonsteroidal anti-inflammatory drugs (NSAIDS), further diagnostic or therapeutic studies, increase in medications, and surgery. Positive outcomes including stabilization or improvement of hemoglobin, decreased need for transfusions, improved symptoms of pain, and a decrease in medications based on interventions were assessed.RESULTS:There were 145 patients who underwent CE. The indications for CE were overt GI bleed (38%), occult GI bleed (22%), abdominal pain (20%), Crohn's (12%), iron deficiency anemia (2.7%), and miscellaneous (4%). Eighty percent achieved completion and 6 patients had complications of capsule retention with 4 requiring surgery. The overall diagnostic yield was 69% and included findings of angiodysplasias (24%), intestinal ulcers (13%) gastritis or duodenitis (13.8%), ulcers suggestive of Crohn's disease (8.9%), and mass or polyp (3.4%). Based on capsule findings, 35.8% of patients had an intervention. Of the patients who received intervention, 71.7% had a positive clinical outcome (P = 0.032). CONCLUSIONS:The high diagnostic yield of CE influences clinical management leading to improved outcomes. However, the utility of CE may be greater in patients who are referred for certain indications or have specific findings. Additional studies are needed to clarify the role of capsule endoscopy in the evaluation of various indications as well as identify factors associated with positive outcomes.
Perceptions : Personality Impressions Based on Personal Websites

This research examined the accuracy of personality impressions based on personal websites, a rapidly growing medium for self-expression, where identity claims are predominant. Eighty-nine websites were viewed by 11 observers, who rated the website authors’ personalities. The ratings were compared with an accuracy criterion (selfand informant reports) and with the authors’ ideal-self ratings. The websites elicited high levels of observer consensus and accuracy, and observers’ impressions were somewhat enhanced for Extraversion and Agreeableness. The accuracy correlations were comparable in magnitude to those found in other contexts of interpersonal perception and generally stronger than those found in zero-acquaintance contexts. These findings suggest that identity claims are used to convey valid information about personality.
Mortality following exenteration for malignant tumours of the orbit

Background: Orbital exenteration is a rare, but disfiguring procedure reserved for the treatment of locally invasive malignancy or potentially life threatening orbital neoplasms, when less destructive techniques are inadequate. The authors report their experience and analyses of 64 cases of orbital exenteration performed over a 13 year period, looking specifically at key factors affecting mortality associated with such a destructive surgical procedure. Methods: Records were reviewed retrospectively of all patients who had undergone exenteration of the orbit from 1 January 1991 to 1 April 2004 inclusive, at the Manchester Royal Eye Hospital. In all cases of deceased individuals, the cause of death was determined by liaison with the general practitioner and local health authority. Duplicate death certificates were requested for all deceased patients from the Registrar for Births, Deaths, and Marriages, Southport, UK. Kaplan-Meier analysis was used to estimate survival following exenteration. Results: Overall, 1 year survival post-exenteration was high at 93%. After 3 years this had fallen to 67%, followed by 57% after 5 years, and 37% at 10 years. 13 patients died as a direct result of the orbital tumour. A further nine died of unrelated medical conditions, and two patients succumbed to malignant processes originating elsewhere in the body. There was no difference in survival rate at 3 years (p = 0.99) and 5 years (p = 0.454) between those with clear resection margins and those without. Conclusion: In this study it was found that there was an overall mortality rate of 38% over 12 years. The presence of clear surgical margins, although reassuring for the surgeon, should not be regarded as an indication of cure. However, an overall 1 year survival of 93% and a 10 year survival of 37% are reassuring in that a proportion of individuals achieve surgical cure following exenteration. 38% of patients died as a result of other medical causes over the 12 year follow up.
Seroprevalence of TORCH Infections in Women with Bad Obstetric History in North West Region of Rajasthan

DOI: 10.21276/sjm.2018. 3.7. 3 Abstract: Bad obstetric history(BOH) is specific to women specially during childbearing age, causes by TORCH group (Toxoplasma gondii, Rubella virus, Cytomegalovirus (CMV), Herpes simplex virus) and others agents like Chlamydia trachomatis, Treponema pallidum, Neisseria gonorrhoeae, HIV,etc The objective of the study is to evaluate the incidence of TORCH infections in pregnancy wastage in women with bad obstetric history (BOH). The study included 200 women aging from 15 to over than 46years with bad obstetric history and 75 clinically normal women with previous normal full term deliveries. Serological evaluation for TORCH infections was carried out by IgM ELISA method. Seropositivity for toxoplasma was 27.33%, rubella 21.66%, cytomegalovirus 34.33% and herpes simplex virus 17.66 with high frequency of stillbirths 94.11 %, Maximum number of cases of abortion (27.27%), intrauterine growth retardation (9.37%), intrauterine death (17.64%) and preterm labor (18.18%) was associated with toxoplasma infection. Seropositivity in women with BOH is demonstrates a strong association between the infectious agents (Toxoplasma, Rubella and CMV)) A previous history of pregnancy wastage and the serological reaction for TORCH infections during current pregnancy must be considered while managing BOH cases so as to reduce the adverse fetal outcome.
Impact of type of delivery on thoracoabdominal mobility of newborns

Introduction: In newborns delivered by cesarean section, there is less chest compression and little amount of fluid is drained by gravity, which temporarily reduces thoracoabdominal mobility. Objetive: The objective of this study is to evaluate the impact of the type of delivery on newborns Thoracoabdominal Mobility. Methods: This is a cross-sectional study with newborns of gestational age between 37 and 41 weeks, of both sexes, with up to 72 hours of life, breathing in ambient air and born by normal delivery or cesarean section. The Thoracoabdominal Mobility was evaluated by videogrammetry using MATLAB Software and considered, in metric units (cm2), as the difference between the highest and lowest thoracoabdominal expansibility for each respiratory cycle. Results: Twenty-six infants were included, 11 were male and 50% were born by cesarean section. The mean gestational age was 39 ± 0,9 and 28 ± 18 hours of life. The mobility, difference between greater and lesser expansion, of the thoracic area in vaginal and cesarean delivery was 6 ± 3 cm2 and 7 ± 5 cm2 and the abdominal area was 29 ± 22 cm2 and 21 ± 14 cm2, respectively. This difference was not statistically significant between the two types of delivery for the thoracic area, but was statistically different for the abdominal area (p= 0.01). And the higher the respiratory rate, the lower the abdominal mobility (r= -0.57, p= 0.02). Conclusion: The data indicate that the type of delivery seems to influence abdominal mobility and respiratory rate. In the studied sample, newborns with cesarean section presented lower abdominal mobility.
An assessment of the in vivo effects of intravenous lipid emulsion on blood drug concentration and haemodynamics following oro-gastric amitriptyline overdose

Background. Overdose with lipophilic drugs, such as amitriptyline, may cause cardiotoxicity in overdose. Severe poisoning can be resistant to traditional treatments. Intravenous lipid emulsion (ILE) has been recommended as a novel therapy for the treatment of such overdoses; however, a little is known about the effects of ILE-infusion on drug concentration and haemodynamics in the early/absorptive phase after oral poisoning. Method. Thirty minutes after oro-gastric administration of amitriptyline (70 mg/kg), either 20% intravenous lipid emulsion (ILE), 8.4% sodium bicarbonate or Hartmann's solution was infused to anaesthetized and ventilated rodents (n = 10 per group). Heart rate, blood pressure, cutaneous ECG – QRS interval duration (QRS-d), and survival were serially recorded over 120 min. Blood drug concentrations were also collected during this period. Continuous variables were compared using one-way ANOVA. Results. ILE infusion significantly decreased the survival compared to other treatments (10% ILE vs 70% bicarbonate vs 70% Hartmann's solution, p = 0.005). There was a gradual prolongation of QRS-d and fall in blood pressure over time compared to baseline (T0) measurement for both ILE and Hartmann's solution treatments. This was associated with significantly increased blood AMI concentration with ILE treatment at T60, T90 and T120 min to the other treatments (p < 0.02). Conclusion. Administration of ILE early after oral amitriptyline overdose resulted in worse survival and no improvement in haemodynamics. In addition, blood amitriptyline concentrations were higher in the ILE-treated group. This suggests that either drug absorption from the gastrointestinal-tract was facilitated or drug redistribution was retarded when ILE was given early after oral poisoning.
Measurement Methods for Phenomena Associated with Immersion , Engagement , Flow , and Presence in Digital Games

We present a review on methods used to assess phenomena related to immersion, engagement, flow and presence. These concepts are used to describe the perceived quality of the interaction with digital media and games. However, they are commonly ambiguous, as they can refer to similar phenomena. We approach this ambiguity by focusing our study on measurable phenomena, like the subject’s performance in objective tasks and the galvanic skin resistance. Additionally, we highlight the limitations and underlying assumptions of the discussed measurement methods. Finally, we show the factors and game characteristics that can influence on the measured phenomena.