Comparing First-Year Engineering Student Conceptions of Ethical Decision-Making to Performance on Standardized Assessments of Ethical Reasoning.

The Defining Issues Test 2 (DIT-2) and Engineering Ethical Reasoning Instrument (EERI) are designed to measure ethical reasoning of general (DIT-2) and engineering-student (EERI) populations. These tools-and the DIT-2 especially-have gained wide usage for assessing the ethical reasoning of undergraduate students. This paper reports on a research study in which the ethical reasoning of first-year undergraduate engineering students at multiple universities was assessed with both of these tools. In addition to these two instruments, students were also asked to create personal concept maps of the phrase "ethical decision-making." It was hypothesized that students whose instrument scores reflected more postconventional levels of moral development and more sophisticated ethical reasoning skills would likewise have richer, more detailed concept maps of ethical decision-making, reflecting their deeper levels of understanding of this topic and the complex of related concepts. In fact, there was no significant correlation between the instrument scores and concept map scoring, suggesting that the way first-year students conceptualize ethical decision making does not predict the way they behave when performing scenario-based ethical reasoning (perhaps more situated). This disparity indicates a need to more precisely quantify engineering ethical reasoning and decision making, if we wish to inform assessment outcomes using the results of such quantitative analyses.

Toward the Emergence of Intelligent Control: Episodic Generalization and Optimization.

Human cognition is unique in its ability to perform a wide range of tasks and to learn new tasks quickly. Both abilities have long been associated with the acquisition of knowledge that can generalize across tasks and the flexible use of that knowledge to execute goal-directed behavior. We investigate how this emerges in a neural network by describing and testing the Episodic Generalization and Optimization (EGO) framework. The framework consists of an episodic memory module, which rapidly learns relationships between stimuli; a semantic pathway, which more slowly learns how stimuli map to responses; and a recurrent context module, which maintains a representation of task-relevant context information, integrates this over time, and uses it both to recall context-relevant memories (in episodic memory) and to bias processing in favor of context-relevant features and responses (in the semantic pathway). We use the framework to address empirical phenomena across reinforcement learning, event segmentation, and category learning, showing in simulations that the same set of underlying mechanisms accounts for human performance in all three domains. The results demonstrate how the components of the EGO framework can efficiently learn knowledge that can be flexibly generalized across tasks, furthering our understanding of how humans can quickly learn how to perform a wide range of tasks-a capability that is fundamental to human intelligence.

Restoring the Organism as a Whole: Does NRP Resurrect the Dead?

The introduction of normothermic regional perfusion (NRP) in controlled donation after circulatory determination of death (cDCDD) protocols is by some regarded as controversial and ethically troublesome. One of the main concerns that opponents have about introducing NRP in cDCDD protocols is that reestablishing circulation will negate the determination of death by circulatory criteria, potentially resuscitating the donor. In this article, I argue that this is not the case. If we take a closer look at the concept of death underlying the circulatory criterion for determination of death, we find that the purpose of the criterion is to show whether the organism as a whole has died. I argue that this purpose is fulfilled by the circulatory criterion in cDCDD protocols, and that applying NRP does not negate the determination of death or resuscitate the donor.

Fine-tuning large language models for rare disease concept normalization.

OBJECTIVE: We aim to develop a novel method for rare disease concept normalization by fine-tuning Llama 2, an open-source large language model (LLM), using a domain-specific corpus sourced from the Human Phenotype Ontology (HPO). METHODS: We developed an in-house template-based script to generate two corpora for fine-tuning. The first (NAME) contains standardized HPO names, sourced from the HPO vocabularies, along with their corresponding identifiers. The second (NAME+SYN) includes HPO names and half of the concept's synonyms as well as identifiers. Subsequently, we fine-tuned Llama 2 (Llama2-7B) for each sentence set and conducted an evaluation using a range of sentence prompts and various phenotype terms. RESULTS: When the phenotype terms for normalization were included in the fine-tuning corpora, both models demonstrated nearly perfect performance, averaging over 99% accuracy. In comparison, ChatGPT-3.5 has only ∼20% accuracy in identifying HPO IDs for phenotype terms. When single-character typos were introduced in the phenotype terms, the accuracy of NAME and NAME+SYN is 10.2% and 36.1%, respectively, but increases to 61.8% (NAME+SYN) with additional typo-specific fine-tuning. For terms sourced from HPO vocabularies as unseen synonyms, the NAME model achieved 11.2% accuracy, while the NAME+SYN model achieved 92.7% accuracy. CONCLUSION: Our fine-tuned models demonstrate ability to normalize phenotype terms unseen in the fine-tuning corpus, including misspellings, synonyms, terms from other ontologies, and laymen's terms. Our approach provides a solution for the use of LLMs to identify named medical entities from clinical narratives, while successfully normalizing them to standard concepts in a controlled vocabulary.

Beyond monetary value: how reward type drives cheating in a gender-judgment task.

Background: Investigating the effects of monetary incentives on dishonest behavior provides valuable insights into human integrity and ethical decision-making processes. This study is conducted through the lens of self-concept maintenance theory. Aim: The aim of this study is to examine the influence of different types of rewards (score-based vs. monetary) and their magnitude on dishonest behavior within a gender judgment task. Method: Using a quantitative experimental design, this study involved 116 participants who were randomly assigned to conditions that differed in reward type (score or money) and magnitude (10 yuan vs. 50 yuan). Dishonest behavior was assessed using a gender judgment task with mechanisms to simulate conditions conducive to planned cheating. Results: Results revealed significant differences in dishonesty rates between score and money conditions, with a higher proportion of dishonest participants observed in the score condition compared to the money condition. The timing of initial cheating was earlier in the score condition compared to the money condition. No significant differences were found in the proportion of dishonest participants, the cheating rate, or the timing of initial cheating across reward levels within either condition. The rate of cheating increased over time, suggesting a temporal dynamic in unethical decision making. Conclusion: The study demonstrates that the nature of rewards significantly influences the likelihood of dishonest behavior, with intangible score-based rewards facilitating rationalizations for dishonesty more readily than tangible financial incentives. These findings enrich the understanding of moral psychology by highlighting the complex interplay between reward types, ethical rationalization, and the dynamics of dishonest behavior.

The Humanbecoming Concept Inventing Model: Feeling Betrayed.

The author of this paper discusses the phenomenon of feeling betrayed theoretically and conceptually. Through the use of the humanbecoming concept inventing model, the author illuminates the now-truth of feeling betrayed as agonizing anguish arising with the shattered trust of communion-aloneness. At the level of science, feeling betrayed was declared as imaging the powering of connecting-separating as an ingenuous proclamation with the scholar's chosen artform.

The World of Women's Despair: An Unfolding Unitary Conceptual Journey.

In looking back over 3 decades since the development of his interest in developing a unitary conceptualization of despair, nurse scholar W. Richard Cowling, III, had new insights and revelations. The purpose of this dialogue article is to re-envision this journey as one of unfolding, seen with the gift of new eyes. Revisiting this journey allowed him to understand and appreciate it anew. Horizons of possibilities of this conceptual journey are explained in terms of conceptual-theoretical development, inquiry, and the advancement of discipline-specific knowledge, and improving the lives of women in despair. It is his sincere hope, as with all meaningful scholarly endeavors, that a wider discourse occurs with the persistent inclusion of women's voices and experiences.

Assessment of academic burnout and professional self-concept in undergraduate nursing students: A cross-sectional study.

BACKGROUND: Nursing turnover and shortage are an increasing phenomenon throughout the world; thus, it is critical to determine the factors that contribute to them. Nursing students' retention plans and turnover intentions are significantly influenced by academic burnout and professional self-concept. The COVID-19 pandemic could aggravate the study-associated stresses leading to burnout and jeopardize the nursing student's professional socialisation which is a key factor in their professional self-concept formation, it is important to investigate their relationship. PURPOSE: To examine the relationship between professional self-concept and academic burnout among undergraduate Bachelor of Nursing students and identify predictors related to academic burnout. METHOD: This cross-sectional study was conducted from May to June 2021. The participants were undergraduate Bachelor of Nursing students from two campuses of a large university in Victoria, Australia. Out of 1630 students, 198 participated in the study. The students were invited to complete an online survey through the university's online learning platform or flyers. Descriptive statistics, Pearson correlation, and Bootstrapping approaches were used to analyse the data. RESULTS: The analysis found a significant positive correlation between the nursing students' total professional self-concept and academic burnout professional efficacy (r = 0.48; p < 0.01). A significant negative correlation was also detected between the total professional self-concept and academic burnout cynicism (r = - 0.21; p < 0.01). Moreover, the total nurse professional self-concept was a significant predictor of both academic burnout subscales cynicism and professional efficacy (p < 0.01). CONCLUSIONS: Positive nursing professional self-concept may alleviate student's academic burnout, and it might contribute to the promotion of their professional efficacy.

Assessment of sexual and body esteem in postpartum women with or without perineal laceration: a cross-sectional study with cultural translation and validation of the Vaginal Changes Sexual and Body Esteem Scale.

Objective: We aimed to translate and determine cultural validity of the Vaginal Changes Sexual and Body Esteem Scale (VSBE) for Brazilian Portuguese language in postpartum women who underwent vaginal delivery with or without perineal laceration and cesarean section. Methods: A cross-sectional study conducted virtually, with online data collection through a survey with 234 postpartum women of 975 that were invited. Clinical, sociodemographic, and psychometric variables from the VSBE questionnaire were analyzed (content validity index, internal consistency, test-retest reliability, construct/structural and discriminant validity). Multivariate analysis was performed to explore associated factors with the presence of perineal laceration. Results: One-hundred fifty-eight women experienced vaginal delivery, of which 24.79% had an intact perineum, 33.33% had perineal laceration, and 9.4% underwent episiotomy; and 76 participants had cesarean sections. Women with perineal laceration were older, presented dyspareunia and previous surgeries than women without perineal laceration (p<0.05). For VSBE, a high internal consistency (Cronbach's α > 0.7) was observed, but it did not correlate with Body Attractiveness Questionnaire and Female Sexual Function Index; however, it correlated with the presence of women sutured for perineal laceration. Moreover, VSBE presented good structural validity with two loading factors after exploratory factor analysis. VSBE also demonstrated discriminant validity between the presence or absence of perineal laceration. The presence of urinary incontinence (UI) (OR=2.716[1.015-4.667];p=0.046) and a higher VSBE total score (OR=1.056[1.037-1.075];p<0.001) were the only factors associated with perineal laceration. Conclusion: Vaginal Changes Sexual and Body Esteem Scale demonstrated appropriate translation and good internal consistency, discriminant/construct validity and reliability. Vaginal Changes Sexual and Body Esteem Scale total score and presence of UI were associated with women that underwent perineal laceration.

Relevance and feasibility of principles for health and environmental risk decision-making.

Globally, national regulatory authorities are both responsible and accountable for health and environmental decisions related to diverse products and risk decision contexts. These authorities provided regulatory oversight and expedited market authorizations of vaccines and other therapeutic products during the COVID-19 pandemic. Regulatory decisions regarding such products and situations depend upon well-established risk assessment and management steps. The underlying processes supporting such decisions were outlined in frameworks describing the complex interactions between factors including risk assessment and management steps as well as principles which help guide risk decision-making. In 2022, experts in risk science proposed a set of 10 guiding principles, further examining the intersection and utility of these principles using 10 diverse risk contexts, and inviting a broader discourse on the application of these principles in risk decision-making. To add to this information, Canadian regulatory practitioners responsible for evaluating health and environmental risks and establishing policies convened at a Health Canada workshop on Principles for Risk Decision-Making. This review reports the results derived from this interactive engagement and provides a first pragmatic analysis of the relevance, importance, and feasibility of such principles for health and environmental risk decision-making within the Canadian regulatory context.

Development of Fused Deposition Modeling of Multiple Materials (FD3M) Through Dynamic Coaxial Extrusion.

Multimaterial additive manufacturing is expanding the design space realizable with 3D printing, yet is largely constrained to sequential deposition of each individual material. The ability to coextrude two materials and change the ratio of materials while printing would enable custom-tailored polymer composites. Here, the evolution of a dynamic material coextrusion process for additive manufacturing capable of printing any ratio between and including two neat input materials is described across 3 hot-end generations and 14 implemented design iterations. The designs evolved with increased understanding of manufacturing constraints associated with the additive manufacturing of metal components with internal flow bore diameters on the order of 2 mm and typical bore length around 50 mm. The second generation overcame this issue by partitioning the design into two pieces to locate the flow channel geometry at the interface between the components so that the details could be easily printed on the components' external surfaces. The third concept generation then focused on minimizing flow channel volume to reduce the average length when transitioning between materials by 92%. The third-generation design was also used to investigate the improvements in dimensional stability during annealing of acrylonitrile butadiene styrene (ABS) made possible by coextruding ABS with a polycarbonate (PC) core. The standard deviation of part shrinkage after annealing was 7.08% for the neat ABS but reduced to 0.24% for the coextruded ABS/PC components.

Nurses' media competency: A concept analysis.

OBJECTIVES: To analyze and define the concept of nurses' media competency. DESIGN: Concept analysis. DATA SOURCES: We conducted a literature search in PubMed, CINAHL, PsycInfo, and RISS International, as well as a hand-search, for relevant articles published between January 1990 and April 2023. A total of 57 articles related to nurses' media competency, published in English or Korean, were included in this study. REVIEW METHODS: We used Walker and Avant's method of concept analysis to identify the defining attributes, antecedents, and consequences of the concept. RESULTS: The seven defining attributes of nurses' media competency were networking with members of the media, selecting the appropriate media platform, considering that the target audience is the public, creating one's own media products, delivering intended messages through the media, monitoring and responding to the media, and maintaining professional dignity. Antecedents of the concept included cultivation of desirable nursing professionalism, critical evaluation of policies and issues, recognition of media influence, establishment of education and guidelines for media use, and having facilities and availability of technologies for media use. Consequences of the concept were improved influence of individual nurses, enhanced public awareness of the nursing profession, stronger networks and collaboration among professionals, and contributions to the promotion of public health. CONCLUSIONS: This concept analysis presents a theoretical definition of nurses' media competency that can provide guidance on how to educate nurses to develop media competency and how to measure nurses' media competency.

Physical exercise and college students' sense of meaning in life: Chain mediating effect test.

BACKGROUND: To explore the impact mechanism of physical exercise on the sense of meaning in life of college students, and analyze the chain mediating effect between self-concept and self-control. METHODS: A questionnaire survey was conducted on 923 college students in China using the Physical Exercise Rating Scale (PARS-3), Life Meaning Scale, Self Concept Scale, and Self Control Scale. RESULTS: (1) Physical exercise, self-concept, self-control and sense of meaning in life are significantly related to each other; (2) Self-concept and self-control play a chain mediating role between physical exercise and college students' sense of meaning in life, with an effect value of 0.042, accounting for 5.48% of the total effect. CONCLUSION: Physical exercise can directly enhance the sense of meaning in life of college students, and can also indirectly enhance it not only through the mediating effect of self-concept and self-control, but also through the chain mediating effect of the two. These results provide theoretical reference for college students to improve their sense of life meaning and mental health education.

Bridging the gaps in patient education through aesthetic-based education: A concept analysis study.

BACKGROUND: Aesthetics is a branch of philosophy that has been entered into the philosophy of education for a long time. Reviewing the concept of aesthetics in education, we can see the components that can cover a number of challenges in the field of patient education. Focusing on the conceptual dimensions obtained from the analysis of this concept, the aim is matching the resulting conceptual categories with the gaps in the field of patient education. MATERIALS AND METHODS: Using a scoping review, we reviewed the literature dealt with different dimensions of aesthetic-based education. Walker and Avant's concept analysis approach was used to inductively analyze the content obtained from the review of literature. The data were divided into three general groups of antecedents, attributes, and consequences of the aesthetic-based education concept, and the final conceptual model was defined. Interdisciplinary comparisons between educational and medical sciences were made to match the concept of aesthetic education with the field of patient education to cover its issues. During the scope review process of the texts, after screening the articles, 17 articles selected to enter the concept analysis stage. RESULT: Concept analysis phase showed that the main conceptual categories of antecedents of aesthetic-based education are aesthetic-based intrapersonal competencies and aesthetic capacities of educational setting. The attributes include aesthetic-based educational content and teaching methods including unity in diversity, combination with art and being based on empathy. The consequences include subliminal learning and constraint-free learning. These conceptual dimensions can cover four important issues in patient education including patient satisfaction, pedagogical competences of health educators, patient centeredness, and empathetic relationship. CONCLUSION: Applying aesthetic concept in the patient education process can bridge part of the gaps in this process. So, this study can be an introduction to future innovative models based on aesthetic paradigm in the field of patient education.

The clarification of the concept of colostomy nursing care in ostomy care centers: A concept analysis through Walker and Avant's method.

BACKGROUND: Specialist nurses need to have an accurate understanding of colostomy care-related concepts to provide care. Although patients with different types of ostomy have different types of needs, terms such as ostomy care, colostomy care, and ileostomy nursing are interchangeably used. Moreover, there are limited concept analysis studies into the concept of colostomy nursing care (CNC) in ostomy care centers (OCCs). The aim of this study was to analyze and clarify the concept of CNC in outpatient OCCs. METHODS AND MATERIAL: This was a concept analysis study. This concept analysis was conducted using Walker and Avant's eight-step method. The online databases were searched until 2022 to retrieve documents on CNC. Finally, 35 articles and four books were included in the analysis, the defining attributes, antecedents, and consequences of the concepts were determined, and model and additional cases as well as empirical referents were presented. RESULTS: The defining attributes of CNC in OCCs are the development of professional role, participatory practice and interdisciplinary care, selection of the best clinical procedures, care based on patient education, and patient rehabilitation. The antecedents of the concept are nurse-related antecedents, patient- and family-related antecedents, environmental antecedents, and professional rules and regulations. Its consequences are patients' and families' greater care-related knowledge, improvement of nurses' care quality, patient autonomy, and self-efficacy. CONCLUSION: The concept of CNC in OCCs can be defined as "a continuous and coherent care based on knowledge, skill, expertise, experience, and colostomy type which uses interdisciplinary collaboration and the best available evidence in order to select and provide the best services according to patients' and families' culture and background, fulfill patients' physical, mental, sexual, social, and spiritual needs, and timely refer patients to specialists, with the ultimate goal of improving patient autonomy and facilitating their return to normal life."

Relationship between professional self-concept and perceived organizational support with family functioning in nurses in Isfahan, Iran.

BACKGROUND: Vocational issues affect nurses' family functioning in long term. So the purpose of this study is to investigate the relationship between professional self-concept and perceived organizational support with nurses' family functioning. MATERIALS AND METHODS: This descriptive correlational study conducted in hospitals affiliated to Isfahan University of Medical Sciences and 250 nurses who met the inclusion criteria participated in this study. The samples were selected conveniently from December 2022 to August 2022. To collect data, Cowin's professional self-concept questionnaire, Eisenberger's perceived organizational support questionnaire, and Epstein's family function measurement were used. Data collection was done in one step and cross-sectional. Descriptive statistics and inferential methods of data analysis consisted of Pearson's correlation coefficient and multiple linear regression were used. Data were analyzed with statistical package for the social sciences (SPSS) version 22. RESULTS: One of the six dimensions of professional self-concept consisted of staff relations significantly predicted the family function of nurses (P = .004). No significant relationship was found between perceived organizational support and nurses' family function (P = .825). CONCLUSION: Promoting the healthcare organizations' human climate may improve nurses' wellbeing and hereby their family functioning which could further improve quality of healthcare services. It may be worthwhile to suggest supporting interpersonal and interprofessional relationships to ensure a healthy professional life for the nurses.

A Concept Analysis of Self-Management of Physical Frailty.

This review aimed to clarify the concept of self-management in the context of physical frailty and to provide insights that support the development of interventions to prevent physical frailty. A concept analysis using thirty-three studies was performed, six attributes of the concept "self-management of physical frailty" were identified: {Cooperating with healthcare professionals or familiar persons}, {Investing and managing in resources}, {Acquisition and maintenance of individualized self-management strategies}, {Self-directed process}, {Goal setting and personalized action planning} and {Living with one's own health condition with a positive attitude}. Self-management of physical frailty can be defined as a process in which an individual independently sets goals and action plans, engages in strategies such as exercise and nutritional management, and lives with one's own health condition with a positive attitude by collaborating with healthcare professionals and others, in addition to utilizing resources. To support the process in which an individual independently sets goals and action plans, engages in strategies, self-management support based on learning theories that lead to cognitive, emotional, and behavioral changes is necessary.

A nomogram model for the occurrence of bladder spasm after TURP in patients with prostate enlargement based on serum prostacyclin and 5-hydroxytryptamine and clinical characteristics.

OBJECTIVE: With the development of analytical methods, mathematical models based on humoral biomarkers have become more widely used in the medical field. This study aims to investigate the risk factors associated with the occurrence of bladder spasm after transurethral resection of the prostate (TURP) in patients with prostate enlargement, and then construct a nomogram model. MATERIALS AND METHODS: Two hundred and forty-two patients with prostate enlargement who underwent TURP were included. Patients were divided into Spasm group (n=65) and non-spasm group (n=177) according to whether they had bladder spasm after surgery. Serum prostacyclin (PGI2) and 5-hydroxytryptamine (5-HT) levels were measured by enzyme-linked immunoassay. Univariate and multivariate logistic regression were used to analyze the risk factors. RESULTS: Postoperative serum PGI2 and 5-HT levels were higher in patients in the Spasm group compared with the Non-spasm group (P<0.05). Preoperative anxiety, drainage tube obstruction, and elevated postoperative levels of PGI2 and 5-HT were independent risk factors for bladder spasm after TURP (P<0.05). The C-index of the model was 0.978 (0.959-0.997), with a χ2 = 4.438 (p = 0.816) for Hosmer-Lemeshow goodness-of-fit test. The ROC curve to assess the discrimination of the nomogram model showed an AUC of 0.978 (0.959-0.997). CONCLUSION: Preoperative anxiety, drainage tube obstruction, and elevated postoperative serum PGI2 and 5-HT levels are independent risk factors for bladder spasm after TURP. The nomogram model based on the aforementioned independent risk factors had good discrimination and predictive abilities, which may provide a high guidance value for predicting the occurrence of bladder spasm in clinical practice.

Content Validity of the Modified Functional Scale for the Assessment and Rating of Ataxia (f-SARA) Instrument in Spinocerebellar Ataxia.

The functional Scale for the Assessment and Rating of Ataxia (f-SARA) assesses Gait, Stance, Sitting, and Speech. It was developed as a potentially clinically meaningful measure of spinocerebellar ataxia (SCA) progression for clinical trial use. Here, we evaluated content validity of the f-SARA. Qualitative interviews were conducted among individuals with SCA1 (n = 1) and SCA3 (n = 6) and healthcare professionals (HCPs) with SCA expertise (USA, n = 5; Europe, n = 3). Interviews evaluated symptoms and signs of SCA and relevance of f-SARA concepts for SCA. HCP cognitive debriefing was conducted. Interviews were recorded, transcribed, coded, and analyzed by ATLAS.TI software. Individuals with SCA1 and 3 reported 85 symptoms, signs, and impacts of SCA. All indicated difficulties with walking, stance, balance, speech, fatigue, emotions, and work. All individuals with SCA1 and 3 considered Gait, Stance, and Speech relevant f-SARA concepts; 3 considered Sitting relevant (42.9%). All HCPs considered Gait and Speech relevant; 5 (62.5%) indicated Stance was relevant. Sitting was considered a late-stage disease indicator. Most HCPs suggested inclusion of appendicular items would enhance clinical relevance. Cognitive debriefing supported clarity and comprehension of f-SARA. Maintaining current abilities on f-SARA items for 1 year was considered meaningful for most individuals with SCA1 and 3. All HCPs considered meaningful changes as stability in f-SARA score over 1-2 years, 1-2-point change in total f-SARA score, and deviation from natural history. These results support content validity of f-SARA for assessing SCA disease progression in clinical trials.

Learning the Meanings of Function Words From Grounded Language Using a Visual Question Answering Model.

Interpreting a seemingly simple function word like "or," "behind," or "more" can require logical, numerical, and relational reasoning. How are such words learned by children? Prior acquisition theories have often relied on positing a foundation of innate knowledge. Yet recent neural-network-based visual question answering models apparently can learn to use function words as part of answering questions about complex visual scenes. In this paper, we study what these models learn about function words, in the hope of better understanding how the meanings of these words can be learned by both models and children. We show that recurrent models trained on visually grounded language learn gradient semantics for function words requiring spatial and numerical reasoning. Furthermore, we find that these models can learn the meanings of logical connectives and and or without any prior knowledge of logical reasoning as well as early evidence that they are sensitive to alternative expressions when interpreting language. Finally, we show that word learning difficulty is dependent on the frequency of models' input. Our findings offer proof-of-concept evidence that it is possible to learn the nuanced interpretations of function words in a visually grounded context by using non-symbolic general statistical learning algorithms, without any prior knowledge of linguistic meaning.