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Journal of Cognitive Neuroscience Jun 2024Our perception of objects depends on non-oculomotor depth cues, such as pictorial distance cues and binocular disparity, and oculomotor depth cues, such as vergence and...
Our perception of objects depends on non-oculomotor depth cues, such as pictorial distance cues and binocular disparity, and oculomotor depth cues, such as vergence and accommodation. Although vergence eye movements are always involved in perceiving real distance, previous studies have mainly focused on the effect of oculomotor state via "proprioception" on distance and size perception. It remains unclear whether the oculomotor command of vergence eye movement would also influence visual processing. To address this question, we placed a light at 28.5 cm and a screen for stimulus presentation at 57 cm from the participants. In the NoDivergence condition, participants were asked to maintain fixation on the light regardless of stimulus presentation throughout the trial. In the WithDivergence condition, participants were instructed to initially maintain fixation on the near light and then turn their two eyes outward to look at the stimulus on the far screen. The stimulus was presented for 100 msec, entirely within the preparation stage of the divergence eye movement. We found that participants perceived the stimulus as larger but were less sensitive to stimulus sizes in the WithDivergence condition than in the NoDivergence condition. The earliest visual evoked component C1 (peak latency 80 msec), which varied with stimulus size in the NoDivergence condition, showed similar amplitudes for larger and smaller stimuli in the WithDivergence condition. These results show that vergence eye movement planning affects the earliest visual processing and size perception, and demonstrate an example of the effect of motor command on sensory processing.
PubMed: 38940732
DOI: 10.1162/jocn_a_02207 -
Frontiers in Psychology 2024The purpose of this study is to bring a multilevel perspective to the discussion of the antecedents of violence against women in higher education settings. (Review)
Review
PURPOSE
The purpose of this study is to bring a multilevel perspective to the discussion of the antecedents of violence against women in higher education settings.
ORIGINALITY/VALUE
This paper was guided by the need indicated in the literature for research on the multiple levels that constitute the context of violence against women, as this is a public health problem, a designation that indicates the urgency with which this pervasive phenomenon should be addressed. The university context is conducive to this type of research, as it includes situations that favor instances of violence. Additionally, it aligns with the United Nations Sustainable Development Goals (SDGs) of Gender Equality and Quality Educations.
DESIGN/METHODOLOGY/APPROACH
This paper follows a qualitative and interpretative approach. This choice was due to the need to know the "how" and "why" elements that are part of violence against women in the university context. As the main source of evidence for the study, we conducted 20 in-depth interviews with women (victims) and men (aggressors), all university students involved in situations of violence. The transcription of the interviews generated 346 quotations, including 41 analysis codes.
FINDINGS
After conducting the data coding, we identified that (i) the actions and omissions of the educational institution, (ii) the taste for violence, the perception of self-efficacy and the influence of the aggressors' group of friends, and (iii) the apparent dichotomy between women's vulnerability and women's strength are among the main antecedents of violence against women. The article concludes with possible research questions to combat violence. Among the contribution of the discussions presented in our article, we highlight the importance of adopting a multilevel view so that we can better understand and fight against this violence, the existence of which is not restricted to the university context.
PubMed: 38939216
DOI: 10.3389/fpsyg.2024.1360192 -
International Journal of Qualitative... Dec 2024There is strong scientific evidence on the academic, cognitive, social, and emotional benefits of Dialogic Literary Gatherings (DLG) for diverse people in a wide range...
There is strong scientific evidence on the academic, cognitive, social, and emotional benefits of Dialogic Literary Gatherings (DLG) for diverse people in a wide range of settings. However, the transference of DLG to a primary healthcare centre has not yet been studied. To address this gap a case study was conducted on the impact of a DLG in a primary healthcare centre on participants' mental health and wellbeing from the perception of participants and professionals involved in it. To that end, four daily life stories and a focus group with women participating in the DLG, most of them over 75 years old with no higher education, were conducted, as well as two in-depth interviews, one with the DLG facilitator and one with the director of the health centre. Results show that participants perceived their mental health and wellbeing improved thanks to the functioning and type of dialogue in the DLG, promoting friendships, support and solidarity. Participants also reported that, by being aware of their capabilities in the DLG, they became agents of transformation within their families and environments, turning relationships between healthcare professionals and patients more egalitarian. These findings hold implications for public health and healthcare centres.
Topics: Humans; Female; Mental Health; Primary Health Care; Aged; Focus Groups; Qualitative Research; Communication; Middle Aged; Social Support
PubMed: 38938089
DOI: 10.1080/17482631.2024.2370901 -
Acta Psychologica Jun 2024The inhibition of return (IOR) is a phenomenon where response times (RTs) to a target appearing at a previously cued location are slower than those for an uncued...
The inhibition of return (IOR) is a phenomenon where response times (RTs) to a target appearing at a previously cued location are slower than those for an uncued location. IOR can improve visual search efficiency. This study aimed to investigate IOR in badminton athletes at different cue depths using a cue-target paradigm in three-dimensional (3-D) static and dynamic scenarios. The study involved 28 badminton athletes (M age = 21.29, SD = 2.39, 14 males) and 25 non-athletes (M age = 21.56, SD = 2.38, 11 males). In the static scenario (Experiment 1), no significant difference between IOR in cueing near and far conditions. IOR was showed both in cueing the near and far condition. Badminton athletes had a speed advantage than non-athletes. In the dynamic scenario (Experiment 2), only badminton athletes showed IOR in cueing the far-to-near condition, but not for the near-to-far. The present study showed that depth information influenced the IOR only in far-to-near condition. Badminton athletes showed more sensitivity to depth information than non-athletes. Additionally, the study expands the object-based IOR in 3-D dynamic scenario.
PubMed: 38936232
DOI: 10.1016/j.actpsy.2024.104368 -
Inflammatory Bowel Diseases Jun 2024Despite the growing proportion of older adults with inflammatory bowel disease (IBD), their lived experience is not well understood. IBD literature is generally focused...
BACKGROUND
Despite the growing proportion of older adults with inflammatory bowel disease (IBD), their lived experience is not well understood. IBD literature is generally focused on younger adults, and few studies are qualitative. Older adults may report well-being differently than younger adults, so it is important that we learn about their goals and priorities with a chronic disease.
OBJECTIVE
The study sought to understand the lived experience of older adults with IBD and explore their perceptions and priorities.
METHODS
We conducted in-depth interviews with patients ≥60 years of age with IBD to evaluate the impact and perception of IBD in the context their overall health and life. We used a hybrid inductive-deductive thematic analysis of our transcripts to identify underlying patterns.
RESULTS
We achieved thematic saturation after 22 interviews. We produced 4 major themes: (1) having IBD at an older age, (2) financial ramifications of IBD at an older age, (3) expectations for a meaningful life, and (4) unmet needs. Prominent subthemes included (1) ageism, loss of autonomy, and barriers to healthcare; (2) retirement and insurance issues; (3) redefining quality of life and gratitude; and (4) social isolation and navigating daily life with IBD.
CONCLUSIONS
Having IBD later in life presents unique challenges. Physicians treating older patients should consider age-sensitive communication, susceptibility to social isolation, and practices for healthy aging in the context of IBD. Patient priorities for further investigation include more representation in the media and educational material tailored for older adults with IBD.
PubMed: 38934627
DOI: 10.1093/ibd/izae139 -
Cureus May 2024Breastfeeding is the fundamental, physiological, and psychosocial process by which the mother feeds the newborn. Early initiation of breastfeeding is recommended within... (Review)
Review
Breastfeeding is the fundamental, physiological, and psychosocial process by which the mother feeds the newborn. Early initiation of breastfeeding is recommended within the first hour of life and exclusive breastfeeding up to six months of age due to its optimal contribution of nutrients for the development of the newborn. Despite this, there are factors that affect this process which involve the nutritional, physical, and psychological state of the mother, such as food security or food insecurity, however, it is unknown if it will have a decisive impact on these factors concerning the cessation of breastfeeding or total duration of breastfeeding. This study is an in-depth review of the available information related to food security as a determinant in breastfeeding practices. We did a scoping review between December 2022 - January 2023. The principal inclusion criteria were: the use of the English language, qualitative and quantitative methods, and analytical studies. All the articles were available in full text and the manuscripts ranged from 1997 and 2022. Twelve studies were included: eight quantitative, two qualitative, and two mixed. In the quantitative studies, significant positive and negative associations were found between food insecurity, exclusive breastfeeding, early initiation of breastfeeding, cessation of breastfeeding, and total duration of breastfeeding. For their part, qualitative and mixed studies describe that women with severe food insecurity tend to feel weak and may have a poor perception of their diet and, consequently, their breastfeeding practices are lower. Moreover, there are qualitative studies that mention that the higher the food insecurity, the more frequently breastfeeding occurs. The inconsistency in the results may be due to factors involving the characteristics of each population, the instrument used to measure food security, and the variables by which the models were adjusted. It is necessary to carry out more studies on the subject since it is obvious that the relationship between the variables needs to be clarified.
PubMed: 38933626
DOI: 10.7759/cureus.61177 -
Journal of Dental Education Jun 2024The aim of this study was to quantitatively investigate the impact of stereoscopic three-dimensional (3D) vision on students' performance when compared with that of...
PURPOSE/OBJECTIVES
The aim of this study was to quantitatively investigate the impact of stereoscopic three-dimensional (3D) vision on students' performance when compared with that of two-dimensional (2D) vision in a 3D virtual reality (VR) simulator.
METHODS
Twenty-four dental students (second- and fourth-year BDS) were assigned to perform three operative tasks under 3D and 2D viewing conditions on a Virteasy (HRV) simulator. Groups were crossed over and all students performed the same tasks under the alternate viewing conditions. The performance was evaluated by (1) accuracy, (2) outside target area removal, and (3) tooth cutting time, automatically using the generated feedback.
RESULTS
Twenty-one participants completed all sessions. The results revealed a statistically significant effect of 3D vision over 2D vision on students' performance in terms of accuracy (p = 0.035). Stereoscopic 3D vision showed significant effect on outside target area removal in the first task (p = 0.035). Tooth cutting time was the same under both conditions (p = 0.766). The findings revealed improvement in accuracy score and reduction in outside target area removal over the course of the experiment under both conditions. Comparing the difference in 3D effect in the early and advanced learning groups revealed no significant difference among the groups (p > 0.05).
CONCLUSION
Utilizing stereoscopic 3D vision in the training session improved students' perception of depth which led to more accurate tooth cutting within the target area, and less outside target area removal. However, 3D shows a limited impact on task completion time.
PubMed: 38923493
DOI: 10.1002/jdd.13630 -
Biomimetics (Basel, Switzerland) Jun 2024This paper describes a novel bionic eye binocular vision system designed to mimic the natural movements of the human eye. The system provides a broader field of view and...
This paper describes a novel bionic eye binocular vision system designed to mimic the natural movements of the human eye. The system provides a broader field of view and enhances visual perception in complex environments. Compared with similar bionic binocular cameras, the JEWXON BC200 bionic binocular camera developed in this study is more miniature. It consumes only 2.8 W of power, which makes it ideal for mobile robots. Combining axis and camera rotation enables more seamless panoramic image synthesis and is therefore suitable for self-rotating bionic binocular cameras. In addition, combined with the YOLO-V8 model, the camera can accurately recognize objects such as clocks and keyboards. This research provides new ideas for the development of robotic vision systems.
PubMed: 38921251
DOI: 10.3390/biomimetics9060371 -
BMC Nursing Jun 2024The admission of close family members to intensive care units can cause significant stress and anxiety for both patients and their families. The sudden and unexpected...
BACKGROUND
The admission of close family members to intensive care units can cause significant stress and anxiety for both patients and their families. The sudden and unexpected nature of such admissions often leaves families feeling worried, confused, and shocked. This study aimed to explore the experiences of families with loved ones admitted to the intensive care unit.
METHOD
The current qualitative study used conventional content analysis. The researchers purposefully selected 11 close family members of patients admitted to the intensive care unit. Semi-structured in-depth face-to-face interviews were conducted with the participants. These interviews were recorded, transcribed, and analyzed the data.
FINDINGS
After reviewing and analyzing the data, three themes and nine categories emerged. These themes included the search for support resources, psychological consequences within the family, and the presence of various needs within the families.
CONCLUSION
The study findings revealed that families, when present in the intensive care unit, actively sought support resources due to their fear of their loved one's mortality. The interactions with the healthcare team and the fulfillment of their needs could significantly affect their sense of hope and confidence in the patient's condition. It is recommended that nurse managers, who possess a genuine perception of the family's needs, implement family-oriented measures and interventions to provide the necessary support.
PubMed: 38918819
DOI: 10.1186/s12912-024-02103-8 -
PloS One 2024The aim of this pilot study was to determine whether viewing an immersive 3D movie with large disparities in a cinema resulted in improved visual acuity (VA),...
PURPOSE
The aim of this pilot study was to determine whether viewing an immersive 3D movie with large disparities in a cinema resulted in improved visual acuity (VA), stereoscopic depth perception (ST), and improved eye alignment in residual amblyopic children and children without amblyopia.
METHODS
A total of 24 children aged between 5 and 12 years with a history of anisometropic and/or strabismic amblyopia, that had been previously treated and who currently have residual amblyopia (N = 14), and in children with typical development without amblyopia (N = 10) viewed the movie in 3D Sing 2 in a cinema for 110 minutes. Visual acuity, stereoacuity and ocular deviation were assessed before viewing the movie, and three months later. Stereoacuity and ocular deviation were also measured immediately after viewing the movie.
RESULTS
We observed an improvement in visual acuity in the non-dominant (amblyopic) eye 3 months after viewing the movie in the amblyopic group (P<0.001). Stereopsis improved immediately after viewing the movie (P = 0.02), and after 3 months by ≈ 40% (P = 0.01). Moreover, improvements in stereopsis were also observed in children without amblyopia (P = 0.04). No significant changes in ocular deviation were observed in either group.
CONCLUSIONS
These pilot results suggest that brief exposure to large disparities by viewing a 3D movie in a cinema can help to improve stereopsis and visual acuity in children aged 5‒12 years with previously treated amblyopia, and provide a rationale for a randomized clinical trial.
Topics: Humans; Amblyopia; Child; Pilot Projects; Visual Acuity; Female; Male; Child, Preschool; Depth Perception; Motion Pictures
PubMed: 38917142
DOI: 10.1371/journal.pone.0305401