Appraisal theories have described elaborate mechanisms underlying the elicitation of emotion at the psychological-cognitive level, but typically do not integrate neuroscientific concepts and findings. At the same time, theoretical developments in appraisal theory have been pretty much ignored by researchers studying the neuroscience of emotion. We feel that a stronger integration of these two literatures would be highly profitable for both sides. Here we outline a blueprint of the “appraising brain.” To this end, we review neuroimaging research investigating the processing (...) of major appraisal variables, and sketch a neuro-cognitive process model of appraisal with a special emphasis on the chronometry and the recursive aspect of emotional evaluation. We hope that this contribution will stimulate more hypothesis-driven research on the neuroscience of appraisal. (shrink)

Appraisal and constructivist theories of emotion both emphasize that emotions are not modular phenomena, but are constructed from more basic psychological parts. In the scientific debate, differences between the two approaches are sometimes overplayed, by classifying appraisal theories as “natural kinds” models, and sometimes underplayed, by basically merging them into constructivist accounts. The aim of this contribution is to illustrate some similarities and some differences between contemporary appraisal and constructivist approaches, and to highlight the fact that appraisal theory has indeed (...) already confronted the idea of construction in the elicitation of emotion. In doing so, I want to argue that, while there is a distinction between appraisal and constructivist camps, it is not as stark as one might think, even though the names of the “ingredients” of emotions may differ. (shrink)

The Handbook of Value combines the forces of the many disciplines involved in value research, by integrating the perspectives of distinguished scholars from the different disciplines. Contributions cover conceptual issues such as definitions of value, psychological and neurological mechanisms underlying value computation and representation, types and taxonomies of value, interindividual and intercultural value differences, the role of value in emotion, moral judgment, decision-making and behavior, as well as case studies of individual varieties of value. The volume contributes to an interdisciplinary (...) dialogue and integration by providing a common reference point that may serve as a resource for disciplinary excellence and interdisciplinary cross-fertilization. (shrink)

The Handbook of Value combines the forces of the many disciplines involved in value research, by integrating the perspectives of distinguished scholars from the different disciplines. Contributions cover conceptual issues such as definitions of value, psychological and neurological mechanisms underlying value computation and representation, types and taxonomies of value, interindividual and intercultural value differences, the role of value in emotion, moral judgment, decision-making and behavior, as well as case studies of individual varieties of value. The volume contributes to an interdisciplinary (...) dialogue and integration by providing a common reference point that may serve as a resource for disciplinary excellence and interdisciplinary cross-fertilization. (shrink)

Climate change and loss of biodiversity are advancing rapidly, making a transition to a more sustainable society one of the most pressing tasks facing humanity. This special section shines a spotlight on how emotions shape and are shaped by the climate and biodiversity crises, and how they intersect with pro-environmental behavior. To this end, leading sustainability scholars and policy makers articulate what they believe are the most important questions that emotion research should answer to support a sustainable societal transition. Here, (...) we first provide an overview of the articles in the special section, which include a wide range of topics including global analyses of distress related to climate change and biodiversity loss, case studies on emotional experiences toward locally specific instances of climate change consequences and adaptation or mitigation efforts, discussions of the motivational functions of emotions and their potential to drive pro-environmental action, and reflections on how we can make affective science more salient to policy makers in the sustainability domain. In the second part, we summarize the emerging overarching themes that point to promising research objectives and questions for affective sustainability science. Finally, we discuss how the study of sustainability can also be beneficial for the affective sciences. Our hope is that this special section will put sustainability on the research agenda of emotion researchers and stimulate more research in affective sustainability science. (shrink)

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BackgroundImplicit prejudice can lead to disparities in treatment. The effects of specialty and experience on implicit obesity and mental illness prejudice had not been explored. The main objective was to examine how specializing in psychiatry/general medicine and years of experience moderated implicit obesity and mental illness prejudice among Swiss physicians. Secondary outcomes included examining the malleability of implicit bias via two video interventions and a condition of cognitive load, correlations of implicit bias with responses to a clinical vignette, and correlations (...) with explicit prejudice. MethodsIn stage 1, participants completed an online questionnaire including a clinical vignette. In stage 2, implicit prejudice pre- and post- intervention was tested using a 4 × 4 between-subject design including a control group. In stage 3, explicit prejudice was tested with feeling thermometers and participants were debriefed. Participants were 133 psychiatrists and internists working in Geneva, hospital-based and private practice. Implicit prejudice was assessed using a Weight IAT and a Mental Illness IAT. Explicit feelings towards the obese and the mentally ill were measured using Feeling Thermometers. A clinical vignette assessed the level of concern felt for a fictional patient under four conditions: control, obese, depression, obese and depression. Linear regression was conducted to test for association of gender, experience, and specialty with responses to vignettes, pre-intervention IATs and explicit attitudes, and to test for association of interventions with post-intervention IATs and explicit attitudes. Reported effect sizes were computed using Cohen’s d. Two-tailed p < 0.05 was selected as the significance threshold. ResultsCompared to internists, psychiatrists showed significantly less implicit bias against mentally vs. physically ill people than internists and warmer explicit feelings towards the mentally ill. More experienced physicians displayed warmer explicit feelings towards the mentally ill and a greater level of concern for the fictional patients in the vignette than the less experienced, except when the patient was described as obese. ConclusionsSpecialty moderates both implicit and explicit mental illness prejudice. Experience moderates explicit mental illness bias and concern for patients. The effect of specialty on implicit prejudice seems to be based principally on self-selection. (shrink)

How do essentialist beliefs about categories arise? We hypothesize that such beliefs are transmitted via language. We subject large language models (LLMs) to vignettes from the literature on essentialist categorization and find that they align well with people when the studies manipulated teleological information -- information about what something is for. We examine whether in a classic test of essentialist categorization -- the transformation task -- LLMs prioritize teleological properties over information about what something looks like, or is made of. (...) Experiments 1 and 2 find that telos and what something is made of matter more than appearance. Experiment 3 manipulates all three factors and finds that what something is for matters more than what it's made of. Overall, these studies suggest that language alone may be sufficient to give rise to essentialist beliefs, and that information about what something is for matters more. (shrink)

Virtue signaling serves to express moral and ethical values publicly, showcasing commitment to social and sustainable ideals. This research, conducted with non-WEIRD samples to mitigate the prevalent WEIRD bias (i.e., the tendency to solely rely on samples from Western, educated, industrialized, rich, and democratic societies), examines whether the scarcely studied virtue-signaling construct mediates the influence of consumers’ attachment anxiety (vs. avoidance) on their green purchase behavior and prosocial responses. Drawing on attachment theory and the emerging virtue-signaling literature, the current work (...) reports the results from three studies (_N_ total = 898) in which consumers’ attachment patterns were not only measured, as in most prior related research, but also manipulated. Study 1 confirmed the unique ability of measured attachment anxiety, but not attachment avoidance, to predict consumers’ green purchase behavior and prosocial tendencies, with virtue signaling mediating these links. Study 2 manipulated participants’ attachment patterns, finding further support for the mediating role of virtue signaling between attachment anxiety (vs. avoidance) and these dependent variables. Study 3 provided a more nuanced account for our virtue-signaling conceptualization by documenting that self-oriented, but not other-oriented, virtue signaling mediated the link between attachment anxiety and both our key outcomes in public contexts. From a managerial viewpoint, these findings indicate that anxiously attached consumers constitute a potentially lucrative segment for companies seeking to expand their market share of sustainable and ethically produced products. (shrink)

Recent works have suggested an analytical complementarity in mixing big and thick data sources. These works have, however, remained as programmatic suggestions, leaving us with limited methodological inputs on how to archive such complementary integration. This article responds to this limitation by proposing a method for ‘blending’ big and thick analytical insights. The paper first develops a methodological framework based on the cognitivist linguistics terminology of ‘blending’. Two cases are then explored in which blended spaces are crafted from engaging big (...) and thick analytical insights with each other. Through these examples, we learn how blending processes should be conducted as a rapid, iterative and collaborative effort with respect for individual expertise. Further, we demonstrate how the unique, but often overlooked, granularity of big data plays a key role in affording the blending with thick data. We conclude by suggesting four commonly appearing blending strategies that can be applied when relying upon big and thick data sources. (shrink)

Biologists rely on theories, apply models and construct explanations, but rarely reflect on their nature and structure. This book introduces key topics in philosophy of science to provide the required philosophical background for this kind of reflection, which is an important part of all aspects of research and communication in biology. It concisely and accessibly addresses fundamental questions such as: Why should biologists care about philosophy of science? How do concepts contribute to scientific advancement? What is the nature of scientific (...) controversies in the biological sciences? Chapters draw on contemporary examples and case studies from across biology, making the discussion relevant and insightful. Written for researchers and advanced undergraduate and graduate students across the life sciences, its aim is to encourage readers to become more philosophically minded and informed to enable better scientific practice. It is also an interesting and pertinent read for philosophers of science. (shrink)

People prefer prototypical stimuli over atypical stimuli. The dominant explanation for this prototype preference effect is that prototypical stimuli are processed more fluently. However, a more recent account proposes that prototypes are more strongly associated with their category’s valence, leading to a reversed prototype preference effect for negative categories. One critical but untested assumption of this category-valence account is that no prototype preference should emerge for entirely neutral categories. We tested this prediction by conditioning categories of dot patterns positively, negatively, (...) or neutrally. In line with previous findings on the category-valence account, prototype preference reversed for negatively conditioned categories. However, prototype preference was similarly strong for positive and neutral categories. These findings imply that prototype preferences do not only reflect a transfer of category valence to exemplars. Instead, the results suggest that prototype preference is a multi-process phenomenon arising from the activated category valence and a fluency-based process. We discuss further implications for theories on fluency and prototype preference. (shrink)

What happens at the end of a clinical trial for an investigational neural implant? It may be surprising to learn how difficult it is to answer this question. While new trials are initiated with increasing regularity, relatively little consensus exists on how best to conduct them, and even less on how to ethically end them. The landscape of recent neural implant trials demonstrates wide variability of what happens to research participants after an neural implant trial ends. Some former research participants (...) continue to receive support for their devices (e.g., battery and component replacements, software updates, etc.). Others, when safe, have their neural implants removed through surgical explantation. Still others continue to live with a deactivated neural implant embedded in their body. In the United States, there are no uniform requirements to provide services, of any kind, after an neural implant study ends, and other nations are similarly facing this challenge. The existence of a post-trial gap in an expanding neural implant research ecosystem invites obvious questions: What is owed to neural implant research participants post-trial, and why has providing it been so difficult to accomplish in practice? To take a step forward on this difficult issue, we assembled one group of stakeholders – researchers funded for neuroethics grants by the National Institutes of Health – to explore possible starting points on one topic: ethical guidance for post-trial care of research participants in neural implant trials. Based on shared concerns discussed in the expert workshop the current paper is a call to action. It reports the key areas of convergence from the meeting and highlights important next steps towards developing much needed guidance. (shrink)

Can machines simulate, express or even have emotions? Is it a good to build such machines? How do humans react emotionally to them and how should such devices be treated from a moral point of view? This volume addresses these and related questions by bringing together perspectives from affective computing and emotional human-machine interaction, combining technological approaches with those from the humanities and social sciences. It thus relates disciplines such as philosophy, computer science, technology, psychology, sociology, design, and art. The (...) volume offers readers interested in the phenomenon of emotional machines new perspectives from a variety of disciplines and addresses fundamental questions that will become pressing in the foreseeable future as emotional machines increasingly populate our everyday lives. (shrink)

This book is in honour of Professor Anna-Sofia Maurin on her 50th birthday. It consists of eighteen essays on metaphysical issues written by Swedish and international scholars.

Depression is a highly recurrent disorder with limited treatment alternatives for reducing risk of subsequent episodes. Acceptance and commitment therapy (ACT) and attention bias modification (ABM) separately have shown some promise in reducing depressive symptoms. This study investigates (a) if group-based ACT had a greater impact in reducing residual symptoms of depression over a 12-month follow-up than a control condition, and (b) if preceding ACT with ABM produced added benefits. This multisite study consisted of two phases. In phase 1, participants (...) with a history of depression, currently in remission (N= 244), were randomized to either receive 14 days of ABM or a control condition. In phase 2, a quasi- experimental design was adopted, and only phase-1 participants from the Sørlandet site (N= 124) next received an 8-week group-based ACT intervention. Self-reported and clinician-rated depression symptoms were assessed at baseline, immediately after phase 1 and at 1, 2, 6, and 12 months after the conclusion of phase 1. At 12-month follow-up, participants who received ACT exhibited fewer self-reported and clinician-rated depressive symptoms. There were no significant differences between ACT groups preceded by ABM or a control condition. There were no significant differences between ACT groups preceded by ABM or a control condition. Group-based ACT successfully decreased residual symptoms in depression over 12 months, suggesting some promise in preventing relapse. (shrink)

In 1961, Ernst Mayr published a highly influential article on the nature of causation in biology, in which he distinguished between proximate and ultimate causes. Mayr argued that proximate causes (e.g. physiological factors) and ultimate causes (e.g. natural selection) addressed distinct ‘how’ and ‘why’ questions and were not competing alternatives. That distinction retains explanatory value today. However, the adoption of Mayr’s heuristic led to the widespread belief that ontogenetic processes are irrelevant to evolutionary questions, a belief that has (1) hindered (...) progress within evolutionary biology, (2) forged divisions between evolutionary biology and adjacent disciplines and (3) obstructed several contemporary debates in biology. Here we expand on our earlier (Laland et al. in Science 334:1512–1516, 2011) argument that Mayr’s dichotomous formulation has now run its useful course, and that evolutionary biology would be better served by a concept of reciprocal causation, in which causation is perceived to cycle through biological systems recursively. We further suggest that a newer evolutionary synthesis is unlikely to emerge without this change in thinking about causation. (shrink)

Dieses R-Arbeitsbuch bietet seinen Leserinnen und Lesern ökonometrische Übungsaufgaben, die eigenständig am Computer bearbeitet werden können. Die notwendigen Kenntnisse des kostenlosen Programmpakets R werden in,,R-Boxen" quasi nebenbei Schritt für Schritt vermittelt. Den Auftakt bildet dabei eine einfache Installationsanleitung. Auch alle Lösungen der Übungsaufgaben sind sorgfältig dokumentiert. Das R-Arbeitsbuch lässt sich zwar mit jedem einführenden Ökonometrie-Lehrbuch kombinieren, die optimale Verzahnung besteht jedoch mit dem Lehrbuch Ökonometrie - Eine Einführung (von Auer, 8. Auflage, 2023). Die Zielgruppe dieser Lehrbuch-Arbeitsbuch-Kombination besitzt weder statistische oder (...) ökonometrische Kenntnisse noch Erfahrung in der Anwendung statistischer Programme. Für die 2. Auflage wurde das R-Arbeitsbuch gründlich überarbeitet und um zusätzliche Aufgaben ergänzt. Der Inhalt Ökonometrische Übungsaufgaben zur eigenständigen Bearbeitung Detaillierte Lösungen zu den Übungsaufgaben Systematische Anleitung für den Umgang mit dem Programmpaket R Die Autoren Ludwig von Auer ist Professor für Volkswirtschaftslehre an der Universität Trier. Er wurde von der Studentenschaft mit zahlreichen Preisen für herausragende Lehre ausgezeichnet und erhielt 2014 den Lehrpreis der Universität Trier. Sönke Hoffmann ist wissenschaftlicher Mitarbeiter an der Fakultät für Wirtschaftswissenschaft der Otto-von-Guericke Universität Magdeburg, sowie selbständig tätiger Dozent an der Otto-von-Guericke Business School Magdeburg. Seit 2013 unterrichtet er Ökonometrie in Verbindung mit Statistiksoftware und entwickelte in diesem Zusammenhang das R-Paket desk. Tobias Kranz ist Dozent im Fach Volkswirtschaftslehre an der Universität Trier. Die Ökonometrie gehört seit 2016 zu seinem Lehrportfolio. Im Jahr 2021 erhielt er den Lehrpreis der Universität Trier. Seit 2022 ist er Mitautor des R-Pakets desk. (shrink)

We use Marya Schechtman’s Narrative Self-Constitution View to support the widespread idea that food can contribute to the construction and expression of our identities and be used to understand others. What foods we consume can be one such way to construct our identities as food itself can have different values: ethically sourced, healthy, culturally significant, etc. However, the ability to constitute one’s own identity in this way depends on the ability to autonomously choose what we consume. We argue that most (...) consumers have much less control over their own consumption habits than is typically assumed (indeed, much of the literature on food and identity relies on the assumption) and thus consumers have diminished autonomy with respect to identity-constitution. We focus on the effects of three such autonomy compromising practices: food impositions, which are social pressures on food choice; manipulative marketing; and impediments to access. Together these practices diminish second-order endorsement of food-related values, generate false beliefs about what one is eating, and create social, economic, or physical barriers which limit access to desired foods. There are, however, spaces where consumers are fighting back against cultural norms and agribusiness and changing their own relationship(s) with consumption, thereby exercising increased autonomy over their food and their identity. (shrink)

Die Engführung von Muße und theoretischem Tun, die Aristoteles paradigmatisch in der Nikomachischen Ethik entwickelt, hat eine Vor- und eine lange Nachgeschichte bis in die gegenwärtige Philosophie und Theologie hinein. Begründet wird die Engführung von Muße und Theorie bei Aristoteles anthropologisch, weil sich in einer kontemplativen Lebensform die Möglichkeiten der menschlichen Natur auf vollendete Weise verwirklichen. Die Beiträge in diesem Band untersuchen ideengeschichtliche Modelle einer Verbindung von Theorie und Muße daraufhin, wie diese sich zur Frage einer anthropologischen Fundierung der Theorie (...) verhalten. Sie fragen nach der Anthropologie der Theorie. (shrink)

In recent years, the concepts of charity and development aid have changed significantly. Present concepts combine direct money transfer with co-production, knowledge sharing and the development of products and services designed for the need of developing and transition economies. The concept of micro-financing is a financial service which has proven to allow for entrepreneurs in the respective countries to start up their businesses. A relatively new financial product for these countries is micro-insurance. This article deals with the question whether consumers (...) in the Netherlands are willing to donate micro-insurances and which factors influence this willingness to contribute to the non-profit micro-insurance approach of an insurance company. The data were collected with questionnaires among a sample of the Dutch population. The data have been processed in a one-way between-groups ANOVA, a paired sample t test and an ordinal regression analysis. The results show that approximately half of the Dutch consumers are willing to pay an additional amount on their insurance premium for the donation of micro-insurances. The amount of the insurance premium did, however, not affect the willingness to donate. If consumers could choose the beneficiary less people are willing to donate, yet those people are willing to donate more money. In conclusion, there is readiness among consumers to contribute to micro-insurance via an insurance company that assists in setting up micro-insurance projects. This indicates a possible role for companies to act as an intermediary between philanthropic acts and consumers. (shrink)

In recent debates surrounding World Health Organization reform, international lawmaking has received unprecedented attention as a future priority function of the Organization. Although WHO's constitutional lawmaking authority was historically neglected and even resisted by WHO and its Member States until the adoption of its first treaty a decade ago, the widespread consensus in favor of a central role for lawmaking in visions of a reformed WHO reflects the crystallization of contemporary approaches to global health governance. Today it is widely recognized (...) that the trends toward globalization that have restricted the capacity of sovereign states to protect health through unilateral action alone have made innovative mechanisms to promote global cooperation and coordination, including international lawmaking, an essential component of governance of public health. (shrink)

Veissière et al. disrupt current debates over the nature of mindreading by bringing multiple positions under the umbrella of free-energy. However, it is not clear whether integrating the opposing sides under a common formal framework will yield new insights into how mindreading is achieved, rather than offering a mere redescription of the target phenomenon.

Der Körper hat Konjunktur. Als ausgestellter, verfüg- und verführbarer begegnet er uns täglichim Übermaß. Es war nur eine Frage der Zeit, bis im Spiel der sich in den Wissenschafteneinander ablösenden turns auch ein corporeal (oder body) turn ausgerufen würde. Dabeibleibt im genannten turn der Gegenstand der Untersuchung nicht selten reduziert auf das, wasman im deutschen Sprachgebrauch »Körper« nennt: ein physisches Substrat, das wie ein Dingunter Dingen beschreibbar ist. Gegen diese Verkürzung stellt der Begri des »Leibes«,spätestens seit Edmund Husserl, eine präzise (...) theoretische Intervention in die wissenschaftlicheund philosophische Diskussion um Körper und Körperlichkeit dar: Dem objektiv beobachtbaren Körper, den wir haben, wird der lebendige Leib, der wir sind, gegenübergestellt. Diesem »Leib«, seiner Geschichte, seinen Varianten und seinem Versprechen gehen dieAutoren der vorliegenden Beiträge nach. Inhaltsübersicht Emmanuel Alloa/Thomas Bedorf/Christian Grüny/Tobias Nikolaus Klass: Einleitung I. Der Leibbegriff in der Phänomenologie Emmanuel Alloa / Natalie Depraz: Edmund Husserl – „Ein merkwürdig unvollkommenkonstituiertes Ding“ – Stefan Kristensen: Maurice Merleau-Ponty I – Körperschema undleibliche Subjektivität – Emmanuel Alloa: Maurice Merleau-Ponty II – Fleisch und Dierenz – David Espinet: Martin Heidegger – Der leibliche Sinn von Sein – Thomas Bedorf: EmmanuelLevinas – Der Leib des Anderen – Karel Novotný: Körper, Leib, Aektivität in Jan Pato č kasPhänomenologie der natürlichen Welt – Julia Scheidegger: Michel Henry – TranszendentaleLeiblichkeit – Jörg Sternagel: Bernhard Waldenfels – Responsivität des Leibes – Kerstin Andermann: Hermann Schmitz – Leiblichkeit als kommunikatives Selbst- und Weltverhältnis II. Zur Geschichte des Leibbegris Emmanuel Alloa: Archaische Leiblichkeit. Die griechische Antike und die Entdeckung desKörpers – Theresia Heimerl: Der Leib Christi und der Körper des Christen: Körper und Leib alszentrale Problemzonen des Christentums – Marc Rölli: Philosophische Anthropologie im 19. Jahrhundert – Zwischen Leib und Körper – Tobias Nikolaus Klass: Friedrich Nietzsche – Denkenam „Leitfaden des Leibes“ – Andreas Cremonini: Sigmund Freud – Der gelebte vs. derphantasmatische Leib – Uta Noppeney: Kurt Goldstein und Frederik Buytendijk – Der Leib-Begri in der organismischen Biologie – Volker Schürmann: Max Scheler und Helmuth Plessner– Leiblichkeit in der Philosophischen Anthropologie – Marion Lauschke: Ernst Cassirer und AbyWarburg – Kulturanthropologie III. Grenzen und Kritik des Leibbegris Christian Grüny: Theodor W. Adorno – Soma und Sensorium – Ulrich Johannes Schneider: Michel Foucault – Der Körper und die Körper – Burkhard Liebsch: Paul Ricoeur – Das leiblicheSelbst begegnet dem Widerstand des Anderen – Mirjam Schaub: Gilles Deleuze – Was weiß ein„Körper ohne Organe“ vom Leib? – Kathrin Busch: Jean-Luc Nancy – Exposition und Berührung– Shaun Gallagher: Embodiment: Leiblichkeit in den Kognitionswissenschaften – Marie-Luise Angerer: Gender und Performance – Ist leibliche Identität ein Konstrukt? – Thomas Bedorf/Selin Gerlek: Praxistheorien – Leibkörperliche Praktiken im Vollzug. (shrink)

This study investigates experimentally whether people in retrospective are self-aware that they engage in status-seeking behavior. Subjects participated in a real-effort task where effort translated into a donation to a charity. Within-subjects we varied the visibility of their performance (private/public feedback). On average, subjects exerted more effort in the public treatment. After the real-effort task, subjects were asked to state their retrospective beliefs about their performance in public given feedback about their performance in private, and about the performance of other (...) subjects in public given the average performance in private. Between-subjects, we varied the compensation that participants would receive for providing accurate performance estimates. Our results show a lack of self-awareness about status-seeking behavior that is robust to increased belief compensation. We also found that subjects expected others to be as status-seeking as they are themselves or even less. (shrink)

We argue for the importance of looking at the microbiota-gut-brain axis from a human developmental perspective. For this purpose, we first briefly highlight emerging research with infants attesting that the microbiome plays a role in early brain and cognitive development. We then discuss the use of developmentally informed humanized mouse models and implications of microbiome research that go beyond probiotic administration.

We are grateful to the commentators for taking the time to respond to our article. Too many interesting and important points have been raised for us to tackle them all in this response, and so in the below we have sought to draw out the major themes. These include problems with both the term ‘ultimate causation’ and the proximate-ultimate causation dichotomy more generally, clarification of the meaning of reciprocal causation, discussion of issues related to the nature of development and phenotypic (...) plasticity and their roles in evolution, and consideration of the need for an extended evolutionary synthesis. (shrink)