An internal expectation guides Drosophila egg-laying decisions

When presented with two egg-laying substrates, Drosophila lay most of their eggs on the option with higher relative value. How do flies make this relative-value decision? Might the strategy they use allow them to choose the best option even when they experience substrates with a more complex spatiotemporal profile than in canonical two-choice paradigms? We measured Drosophila egg-laying behavior in diverse substrate environments. In all cases, we found that flies dynamically increase or decrease their egg-laying rates as they explore substrates for a deposition site so as to target eggs to the best, recently visited option. Visiting the best option typically led to a strong reduction in egg laying on other substrates for several minutes, with this timescale varying across fly strains. Our data support a model in which flies compare the value of the current substrate with an internally constructed expectation on the value of available options to regulate the likelihood of laying an egg. We show that dopamine-neuron activity is critical for learning and/or expressing this expectation, similar to its role in certain tasks in vertebrates. Integrating sensory experiences over minutes to generate an internal sense of the quality of available options, i.e., forming an expectation, allows flies to use a dynamic reference point for judging the current substrate and might be a general way in which decisions are made, even beyond flies and egg laying.

The Study of Time Perception in Physics Classes

This paper describes interdisciplinary, practical work in physics classes aimed at the study of time perception. The experimental part includes the evaluation of minute intervals by a person who relies on an internal sense of time. This lab is done in pairs: the experimenter and the tested person. The paper suggests that certain topical, interdisciplinary issues – issues typically excluded from physics and psychology courses – are a means toward interaction of two radically different branches of knowledge (physics and psychology) within the educational process. Such use of interdisciplinarity increases both the students’ interest in physics and the quality of physics education. The paper also summarizes and offers for dispute some additional results (quantitative data) about types of time perception. Most students (over 250) demonstrate underestimation and overestimation of time intervals: tachychronia (“accelerated” time sense) and bradychronia (“decelerated” time sense).

Social Status of Widows in Qing Dynasty

The chastity cult in Qing China caused a striking ambiguity of widows’ status. They were praised and honored. Widow’s status became a symbol of the elite when a woman had enough financial freedom to protect her virtue and not to remarry. Their lives were described in the biographies and local gazetteers as Confucian legends about dignity. But no political agenda could mitigate the bitterness and hardships of a woman who lost her husband in the imperial times. The article analyzes the bilateral nature of widowhood in the Qing dynasty: governmental proclamations, juridical formulations, and widows’ biographies written by gentry, on the one hand, and women’s inner perception of chastity that we read between the lines in the legal documents. How did the concept of fidelity glorified in the law relate to real-life practices? The paper summarizes that state politics and the law often contradicted reality that detracted from women’s internal sense of morality and women’s personal meaning-making the chastity cult in Qing China.

Recasting Ethics of Face and Hiya (Shame) in the Light of Cybersexual Violence Against Women

This paper explores how Philippine/East Asian discourses on ethics of face and shame can be relevant in light of cyber-sexual violence against women. It argues that lowland Philippine concept of hiya (shame) in its moral and internal sense, should be retrieved as virtue in the context of cyber-sexual violence against women. This can however be complemented by Emmanuel Levinas’ concept of the face of the Other and its reception especially in the cyber-context. Hiya (shame) as sensitivity to a loss of face of the excluded kapwa (other), leads to actions that not only helps to “gain face” but also reveal the God who enfaces.

“It’s a Battle!”: Parenting and Supporting a Child with Dyslexia

Parents and carers supporting their children with dyslexia liken their experiences to battle, when trying to secure appropriate educational provision for their children. This chapter expands our understanding of parents’/carers’ experiences through exploration of both academic studies, reviews and gray literature since the Assent of the Children and Families Act 2014 in England. Using a Bourdieusian framework underpinned by Jenkins’ ‘levels of interaction’, this chapter studies parental/carers’ experiences of dyslexia and procurement of appropriate educational provision for their children with dyslexia. Parents’/carers’ internal sense-making of dyslexia is explored. Connections are made between this sense-making and the nature of parents’/carers’ interactions with their children and education professionals. These interactions, as underpinned by individuals’ understandings of dyslexia are then explored in the context of the social positions occupied by parents/carers relative to others within the field of education. Parents’/carers’ capacity to engage with professionals, and contribute meaningfully to decision-making processes through embodiment of necessary habitus is exposed through analysis of individual sense-making, interactional exchanges and institutional relationships. Practical and theoretical implications of parents’/carers/sense-making of dyslexia, their interactional experiences, and embodiment of habitus are then described in a ‘Who, What, When and How’ overview of parents/carers supporting a child with dyslexia.

Perception in Augustine’s De Trinitate 11

In this paper, I explore Augustine’s account of sense cognition in book 11 of De Trinitate. His discussion in this context focuses on two types of sensory state—what he calls ‘outer vision’ and ‘inner vision,’ respectively. His analysis of both types of state is designed to show that cognitive acts involving external and internal sense faculties are susceptible of a kind of trinitarian analysis. A common way to read De Trin. 11, is to interpret Augustine’s account of ‘outer’ vision as an analysis of sense perception and his account of ‘inner’ vision as an analysis of occurrent sensory memory and imagination. I argue against such a reading of De Trin. 11. Insofar as we take perception to be a phenomenally conscious mode of sensory awareness, outer vision cannot, I claim, be the equivalent of ordinary sense perception. For, on Augustine’s view, the deliverances of outer vision only reach the threshold of consciousness, when outer vision occurs in conjunction with inner vision. Hence, on my analysis, sense perception turns out to be a complex, hybrid state—one that involves both outer and inner vision. If I am right, acts of sense perception turn out not to be directly susceptible to trinitarian analysis. Even so, the account is interesting and nuanced for all that.

Mechanisms Underlying the Neural Computation of Head Direction

Many animals use an internal sense of direction to guide their movements through the world. Neurons selective to head direction are thought to support this directional sense and have been found in a diverse range of species, from insects to primates, highlighting their evolutionary importance. Across species, most head-direction networks share four key properties: a unique representation of direction at all times, persistent activity in the absence of movement, integration of angular velocity to update the representation, and the use of directional cues to correct drift. The dynamics of theorized network structures called ring attractors elegantly account for these properties, but their relationship to brain circuits is unclear. Here, we review experiments in rodents and flies that offer insights into potential neural implementations of ring attractor networks. We suggest that a theory-guided search across model systems for biological mechanisms that enable such dynamics would uncover general principles underlying head-direction circuit function.

GENDER INFLUENCE FOR TENSES OF GRAMMAR UNDERSTANDING IN ENGLISH STUDENTS 2018-A OF STKIP PGRI JOMBANG

Tenses in grammar are considered to be one of the difficult parts of learning English by most young students,because tenses are not well mastered by students as a simple indicator, general students think twelve or maybe sixteen tenses in English. This conceptual confusion leads to a low budget for applying English in the right limits. According to Merriam Webster gender is a person's internal sense of being male, female, some combination of male and female, or neither male nor female. Female and male have different characteristics and different abilities as in understanding grammar. According to Grey (2001) convey that female have the verbal intelligence (language) than male.The type of the research was analytic observational with Microsoft Excel.The study was conducted in English students 2017-B of STKIP PGRI JOMBANG. The population in this study was English students 2017-B of STKIP PGRI JOMBANG. The sample in this study was 10 students that consist 5 male students and 5 female students. The research instrument to collect data was a questioners. The results showed that Gender influences the results of students' understanding of grammar. The factor that most influences the results is the level of student learning. Female is more diligent than male, evidenced by female learning English every day, while male learns English only every month.

Mahmoud Darwish and Tanure Ojaide

Darwish, the spokesman of Palestine, and Ojaide, the voice of Nigeria, are endowed with a faculty for articulating a message, a vision or an opinion for their nations. They are intellectuals essentially tied to the needs of their communities. Both poets belong to countries that witnessed different types of political, economic, and social turmoil. They inspire the oppressed nations to persist in their struggles against the regimes which deprive them of their right to live happily and peacefully. Darwish experienced many displacements that turned him into an embodiment of exile, in both existential and metaphysical terms, beyond the external, and the metaphorical, in his interior relations with self and poetry. His poetry of exile mirrors the socio-political atmosphere under the Israeli occupation. He utilizes poetry as a weapon in his fight to achieve freedom and independence. Similarly, Ojaide’s poetry is engaged with the crises of his homeland, the Niger Delta. He belongs to the generation of Nigerian writers who used their literary productions as a weapon against social injustice and an instrument in resisting imperialism. To him, there is a direct relationship between literature and social institutions. The principal function of literature is to criticize these institutions and eventually bring about desirable changes in society. This study aims at examining Darwish and Ojaide as poets of exile by observing their exilic experiences and investigating certain poems that typically help dive into their external and internal sense of displacement. The study also highlights the concepts of home and homelessness. It brings to light the poets’ deep yearning for a sense of belonging and their insistence on regaining the motherland toward which they show a profound attachment and permanent commitment. They use words as a therapeutic means to compensate for the lack of a physical homeland. A comparison between the two poets is also provided.

Seeking “Mamatowisowin” to Create an Engaging Social Policy Class for Aboriginal Students

This article recounts the author’s personal and professional journey of developing a social policy social work course at the First Nations University of Canada. With no social policy text designed for and about Aboriginal peoples, and very few articles written on social policy issues in Aboriginal communities, the author was challenged to create content, pedagogy, and assignment structures that reflected the cultures of her students who come primarily from the plains and woodlands reserve communities of Saskatchewan. By consulting with Elders, colleagues, and students, as well as by paying attention to her own internal sense of stress or delight, she progressively modified the class over three years, releasing all that was‘dry and detached’ while building on all that was fun, relevant and exciting. Along the way, the author was introduced to the néhiyawéwin (Cree) word mamatowisowin, which refers to a state of spiritual attunement and divine inspiration. I realized that, perhaps more than head knowledge, it was mamatowisowin that she most needed in order to create a class that optimally served her students and the university’s vision of a ‘bicultural education’ that is equally grounded in both European and Indigenous knowledge systems.