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This chapter compares the evidence from emporia and other early medieval maritime trading sites in order to understand how interactions between these places were organized, asking what marked out emporia among various kinds of meeting places. I take a comparative approach, drawing inspiration from historical geography and maritime archaeology, and demonstrate how emporia were located in conspicuous boundary locations, able to connect different modes and zones of transport. The most consistent characteristic of their archaeology is the evidence for a resident population of mixed, non-local residents — in other words, for strangers. By analysing finds, activities, and the chronological development of sites in a comparative perspective, I outline how communication occurred in different locations, and what was special about people and encounters in certain emporia.
How to communicate in meetings and be heard, how to get credit for your work, deal with inappropriate comments, navigate romantic relationships at work, and handle “bro” culture.
This chapter is on communication complexity, which measures the minimum number of bits that two parties must exchange to collaboratively compute a function when the input is split between the parties. Techniques for upper and lower bounds for deterministic and randomized communication complexities are covered. The chapter also presents applications of communication complexity to topics that don’t involve explicit communication, such as streaming algorithms, data structures, and integrated circuit layout.
This chapter covers techniques for lower bounding the size of circuits and formulas. This includes gate elimination, polynomial approximation, the switching lemma, formula shrinkage, communication complexity, and monotone circuit lower bounds. The chapter concludes with the natural proofs barrier, which shows that known types of circuit lower bound techniques are inherently insufficient to separate P from NP.
The purpose of this integrative review is to synthesize and appraise the research describing culturally tailored factors that may influence advance care planning (ACP) conversations and build a conceptual framework based on reported findings.
Methods
Publications in English from 5 databases (PubMed, CINAHL, Web of Science, PsycINFO, and Embase) were included that met the inclusion criteria of Chinese Americans’ ACP. Quality was assessed using the Mixed Methods Appraisal Tool. Categories emerging from findings were developed through iterative analysis and cross-comparison of findings from the studies to ensure comprehensive representation across methodologies.
Results
A total of 531 articles were initially identified; 20 articles met the inclusion criteria, while 19 were of satisfactory quality. Sample sizes ranged from 14 to 18,974. Most included studies were conducted in large metropolitan areas across the United States, with San Francisco most frequently represented (n = 3). The synthesized findings show overarching categories: (1) Psychosocial factors including knowledge, attitudes, and family dynamics; (2) Acculturation factors including language preference and length of U.S. residency; (3) Cross-cultural communication contexts including optimal timing and communication skills; and (4) Outcomes: ACP readiness or advance directive completion.
Significance of results
We identified culturally tailored factors influencing ACP communications among Chinese Americans and present a framework to support healthcare professionals to navigate ACP communication with this community. A greater focus on ACP communication outcomes through intervention studies related to culturally tailored factors is needed.
Nina Hjelde, Manchester University NHS Foundation Trust, Greater Manchester,Brendan McGrath, Manchester University NHS Foundation Trust, Greater Manchester,Andrew Mockridge, Northern Care Alliance NHS Foundation Trust, Greater Manchester
This section offers a wide variety of commonly encountered ethical challenges in intensive care, with some role-play options so candidates can practice difficult situations.
Effective communication between specialists and primary care providers is important for optimal care. This cross-sectional study explored primary care providers’ preferences for concise versus detailed clinical letters in otolaryngology–head and neck surgery.
Methods
A survey was sent to primary care providers in Manitoba, Canada, to reflect on their past experiences and review sample concise and detailed letters. Quantitative data were analysed using Wilcoxon matched-pairs signed-rank tests and chi-squared tests. Qualitative responses were thematically analysed.
Results
Seventy-five percent of respondents (57 incomplete responses, 39 complete) preferred concise letters, citing the readability, inclusion of key information and clear treatment plans. Some participants requested the inclusion of interim recommendations and more comprehensive details. Preferences did not differ by profession (p < 0.05).
Conclusion
Most primary care providers prefer concise clinical letters. Detailed rationale and interim plans can be integrated into concise formats to enhance usability without sacrificing essential information. Optimising clinical letters for conciseness may enhance interprofessional communication and care coordination.
Children and young people living with CHD are at increased risk of neurodevelopmental, psychosocial, and educational challenges. Educational professionals play a key role in supporting these pupils but often receive limited condition-specific information, and little is known about how communication between healthcare services and schools can be improved. This study explored educational professionals’ experiences of supporting pupils with CHD and opportunities to strengthen collaboration between paediatric cardiology services and schools.
Methods:
Semi-structured interviews were conducted with educational professionals (n = 15) from mainstream primary, post-primary, and specialist schools in Northern Ireland. Interviews explored experiences of supporting pupils with CHD, communication, information needs, and training requirements. Data were analysed using reflexive thematic analysis. Findings were complemented by a pre–post evaluation of an online CHD teacher training webinar.
Results:
Four interrelated themes were identified: (1) Desire for structured communication; (2) need for individualised information relating to the educational environment; (3) managing uncertainty in the classroom; and (4) striving for inclusivity via flexibility. Participants relied on parents for clinical information and reported limited direct communication with healthcare professionals. Teachers requested practical, child-specific guidance to support classroom decision-making. Webinar findings demonstrated improved knowledge and confidence following training.
Conclusions:
Educational professionals are committed to supporting pupils with CHD but often do so with limited clinical guidance and fragmented communication pathways. Strengthening communication between paediatric cardiology services and schools, alongside practical, child-specific resources, may reduce uncertainty, improve teacher confidence, and promote more consistent educational support for pupils with CHD.
This chapter explains how to write AI papers that reviewers can understand quickly and trust. It treats writing as part of research, not a final packaging step, and shows how early planning clarifies the problem, contribution, and experiments before drafting begins. It then walks through writing around the research problem, using each paper section to move readers from motivation to method to evidence. The chapter emphasizes narrative coherence, precise claims, and consistent terminology and notation. It also gives guidance on revising with feedback and responding to reviewer critiques in rebuttals with a professional, evidence-focused tone.
This chapter distills practical lessons from real PhD journeys. Each story follows a simple arc: a common pitfall, the adjustment that helped, and the lesson that emerged. Themes include honest communication when you are struggling, engaging seriously with feedback, avoiding burnout through sustainable habits, and taking ownership of research direction. Other stories highlight the trade-off between exploration and commitment, the risks of overextending through side projects, how perfectionism can stall progress, and why resilience matters when publication timelines and reviews go badly. The goal is to make hidden struggles visible and turn them into actionable guidance.
Paediatric heart care is among the most complex, high-risk environments in medicine. Care is delivered by multidisciplinary teams across operating rooms, catheterisation laboratories, cardiac ICUs, and step-down settings, where small failures in communication or coordination may have serious consequences. Although advances in congenital and paediatric cardiac care have improved survival, dysfunctional team dynamics remain an underrecognised contributor to adverse events, inefficiency, clinician distress, and loss of family trust. This review synthesises evidence on how team dysfunction affects outcomes in paediatric heart care, identifies principal forms of dysfunction, and review system-based interventions that may improve team performance and safety. Drawing on literature from paediatric cardiac care, perioperative safety, critical care, interprofessional collaboration, organisational theory, and team science, the review is informed by the Input-Process-Output model, relational coordination, social exchange theory, psychological safety, and high-reliability organisation principles. Common forms of dysfunction include communication failures, hierarchical barriers, unclear role delineation, weak care transitions, and interpersonal conflict. These factors impair shared situational awareness, delay escalation, increase the risk of errors and complications, and affect family trust and clinician well-being. Evidence supports multifaceted strategies including simulation-based team training, structured communication tools, multidisciplinary case review, debriefing, cross-training, conflict-resolution approaches, leadership engagement, and measurement of teamwork processes. Emerging digital tools and artificial intelligence may support situational awareness and information reliability when carefully implemented. Team performance is a central determinant of safety and quality in paediatric heart care. Improving outcomes requires sustained investment in communication, psychological safety, role clarity, mutual respect, and organisational learning.
To assess the association of the doctor–patient relationship with adherence to treatment (AT) and lifestyle recommendations in patients with multimorbidity.
Design:
Multicentre, descriptive, cross-sectional study.
Setting:
Primary care.
Participants:
202 patients diagnosed with two or more chronic pathologies, from 23 health centres.
Interventions:
Self-administered questionnaires validated in our setting: Therapeutic Adherence Scale (EAT, for its acronym in Spanish) and perception of doctor–patient relationship (PREMEPA questionnaire). Descriptive, bivariate analysis, and multivariate modelling (log-linear analysis).
Main outcomes measures:
Categorical adherence score according to the Therapeutic Adherence Scale (EAT) and categorical doctor–patient relationship score according to the Physician-Patient Relationship Perception Questionnaire (PREMEPA questionnaire).
Results:
56.1% of the patients were women and 67% were over 60 years of age. Adherence was high in 52.2%, with very high adherence in 42.8%. Adequate doctor–patient relationship was reported by 86.6% of patients. There was a statistically significant but weak association (Cramer’s V = 0.182) between doctor–patient relationship and adherence (p < 0.05), with a higher degree of relationship found in women and those over 60 years of age. Generalized linear statistical analysis showed a significant model with a positive association between AT and empathy, courtesy, patient participation in decision-making and return.
Conclusions:
Adequate doctor–patient relationship was associated with greater adherence to treatment. Empathy was the component of doctor–patient relationship that showed the strongest association with adherence. Courtesy and patient participation are favourable factors for adequate adherence.
The Right to Communicate (RtC) is the idea that individuals possess not only the freedom to ‘seek, receive and impart information’, as laid down in Article 19 of the Universal Declaration of Human Rights (UDHR), but also the right to communicate horizontally with their peers, using technologies new and old. The brainchild of Jean d’Arcy, a French broadcaster and official who argued in 1969 that Article 19 should be updated to reflect the new technological possibilities, the concept inspired an international effort to write the RtC into human rights law. This article examines the United Nations Educational, Scientific and Cultural Organization’s (UNESCO) campaign to define this new human right, showing how initial enthusiasm was undermined by a widespread conviction that collective rights were a threat to individual rights; the difficulty of squaring the Global South’s state-led vision of communication with d’Arcy’s anti-statist ideals; and the vocal opposition of Western governments and NGOs, who increasingly saw the concept as a threat to freedom of information.
Advance care planning (ACP), including end-of-life (EOL) conversations, helps frail older persons articulate goals and preferences for future treatments and care, ultimately enhancing quality of life. Nevertheless, a substantial gap exists between the many who wish to engage in such conversations and the minority who currently do so. To support earlier and broader engagement, we explored frail community-dwelling older persons’ perspectives and attitudes regarding ACP and EOL discussions.
Methods
We conducted a qualitative, purposively sampled, interview study of frail community-dwelling older persons (N = 16), identified from Dutch general practices. We analyzed the transcripts using reflexive thematic analysis.
Results
We developed 5 themes regarding ACP and EOL conversations: (1) Personal identity as the foundation for ACP and EOL decision-making: personal values strongly shaped EOL preferences and decision-making; (2) external factors – including lived experiences, the social environment, and information channels – influenced EOL perspectives; (3) attitudes and motivations shaped engagement with ACP and EOL conversations, ranging from active engagement to reluctance; (4) organization and conditions of ACP and EOL conversations: the content of conversations varied across conversation partners; and (5) expectations regarding involvement of others in ACP, including EOL conversations: participants expressed a need for proximity to family, close friends, and healthcare professionals and for these others to be involved and take responsibility in supporting decision-making.
Significance of results
When asked about ACP, participants focused predominantly on preferences and expectations regarding EOL care and the period surrounding death. These reflections, grounded in personal values and identity, were most often shared with family and close friends and less frequently with healthcare professionals. These findings highlight the central role of informal networks in ACP communication, suggesting that healthcare professionals should actively involve these networks in ACP discussions and decision-making. Furthermore, ACP conversations may benefit from starting from persons’ underlying values and their priorities in life.
The complexity of hope in serious childhood illness can be underestimated in clinical practice. We sought to explore the lived experience of hope among bereaved parents to help clinicians interpret and engage with parents’ varied and changing expressions of hope over the course of their child’s illness.
Methods
Semi-structured interviews were conducted with bereaved parents of children known to a statewide pediatric palliative care service who died aged 16 years or younger from any medical condition. A phenomenological framework underpinned the study, and reflexive thematic analysis was employed. Institutional ethics approval was obtained.
Results
Twenty bereaved parents, including 6 fathers, participated. Their children ranged in age from 1 day to 16 years. Overall, parents’ hopes were personal, multidimensional, and changed over time. Four main themes emerged: (1) Objects of hope, including survival, experiences in life, day-to-day normality, memory-making, and experiences at end-of-life; (2) patterns of hope, including hope’s dynamic nature, alignment between parents, and hope and prognostic awareness; (3) factors that influence hope, including hope’s intrinsic nature, clinical information, and clinician communication; and (4) the value of hope, both positive and negative.
Significance of results
The study’s findings support existing research describing hope as multidimensional, dynamic, and potentially coexisting with prognostic awareness. We share new insights into how clinicians can work with parental hope in ways that can be both beneficial and detrimental. Additionally, we describe how some parents may perceive hope as potentially harmful.
To explore general practitioners’ and radiologists’ expectations of ankle radiography for chronic complaints.
Background:
Ankle complaints are a frequent reason for general practitioner (GP) consultations and ±20% of ankle radiography requests are for chronic complaints. It is unknown what GPs and radiologists expect from ankle radiography for chronic complaints.
Methods:
A qualitative study was conducted with GPs and radiologists. Semi-structured focus group discussions were held online or live until data saturation was reached. The topic guide included: reasons for radiography, content of requests and reports, and the impact of results on patient management. The recorded interviews were transcribed and subsequently coded inductively in Max-QDA.
Findings:
Five focus groups with 24 GPs and 3 focus groups with 11 radiologists were held. Radiologists focussed more on urgent diagnoses that were less considered by GPs for their rareness. GPs indicated to request ankle radiography more often for patient-, physician-related and organizational reasons than for medical indications. Radiologists expect requests to include a specific question accompanied by applicable clinical information including a specific pain location. GPs in their turn expect a short conclusion of the report answering their question.
Conclusions:
GPs and radiologists have different expectations of radiography for chronic ankle complaints. Important in GPs’ rationale behind requesting ankle radiography for chronic complaints are non-medical factors and prevalence of ankle disorders, while radiologists also focus on more rare diagnoses than GPs. More research on the added value and accuracy of ankle radiography for chronic complaints in primary care settings is necessary.
Jacques Maritain brought to bear a well-developed concept of theocentric humanism on his understanding of the proper function of the state. Maritain conceived persons as individuals but as individuals that were made persons by means of freedom, communication, and gift. He deployed this theological anthropology in particular to delegitimise those conceptions of the state that were dominant in the 1930s and 40, namely liberal, capitalist, nationalist, and socialist/ communist ones. In their place, and in light of his theological anthropology, he advocated a state that was mandated to serve the "temporal common good". In practice, this oriented him, albeit tentatively, towards a particular understanding of the state’s responsibility for the provision of welfare, namely a ‘personalistic pluralism’ in which the state stood simultaneously as broker and regulator of a socialised economy and civil society, and as guarantor of personal, civil and social rights.
This paper presents a superheterodyne receiver and transmitter chip set with high bandwidth and efficiency suitable for superheterodyne communication systems. The operating range for the intermediate frequency is optimized for 60–90 GHz but extends beyond this frequency range. A radio frequency range from 285 and 325 GHz is achieved with the chip set introduced here. This paper presents continuous-wave on-wafer measurements for the receiver and transmitter. In the measurements, the transmitter achieves an output-referred 1 dB compression point of 0 dBm across the entire IF range. The conversion gain of the transmitter is measured to be 15 dB but can be adjusted between 5 and 20 dB. The CG of the receiver was measured to be over 12 dB within an IF range of 60–90 GHz. A receiver noise figure of 8 dB was measured in a waveguide package. The front-ends were produced in 35nm indium gallium arsenide metamorphic high electron mobility transistor technology.
What if change could be planned, managed, and executed like a well-run project? Chapter 2 dives into the managerial perspective — an approach built on structure, strategy, and expertise. It traces how this view came to dominate the change literature and explores the models that continue to shape organisational practice today. But behind the order lies a tension: can complex human systems ever really be engineered? This chapter not only equips readers with powerful tools but also prompts critical reflection on what such tools leave out.
Rowan Williams has an acute sense of how serious political debates hinge on different and deep conceptions of the person. His theological anthropology is self-consciously “multi-dimensional”, and while he shares with William Temple, Jacques Maritain, and John Paul II an understanding of the material, relational and gift-oriented nature of the human person, he also places a consistent and fresh emphasis on both the essentially communicative nature of the person, and on the final unknowability of personhood. Building on this, he shares others’ convictions that human personality is best formed and shaped in the ‘first-level’ communities in and through which people learn to communicate, relate, create, imagine, and give. However, he is also less antagonistic to the welfare state (certainly than John Paul II), and happier to grant it a direct role in securing “a safety net of public welfare provision” and “a basic level of protection of human dignity”. Hence the idea of the welfare state as a “referee” for first-level communities is ultimately inadequate for him, as it ignores the more direct and morally freighted role in ensuring the welfare of citizens that is proper to the state.