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At least 595 records · Page 33Linked to original sources
PubMed1998

Delta-Notch signalling and the patterning of sensory cell differentiation in the zebrafish ear: evidence from the mind bomb mutant.

Mechanosensory hair cells in the sensory patches of the vertebrate ear are interspersed among supporting cells, forming a fine-grained pattern of alternating cell types. Analogies with Drosophila mechanosensory bristle development suggest that this pattern could be generated through lateral inhibition mediated by Notch signalling. In the zebrafish ear rudiment, homologues of Notch are widely expressed, while the Delta homologues deltaA, deltaB and deltaD, coding for Notch ligands, are expressed in small numbers of cells in regions where hair cells are soon to differentiate. This suggests that the delta-expressing cells are nascent hair cells, in agreement with findings for Delta1 in the chick. According to the lateral inhibition hypothesis, the nascent hair cells, by expressing Delta protein, would inhibit their neighbours from becoming hair cells, forcing them to be supporting cells instead. The zebrafish mind bomb mutant has abnormalities in the central nervous system, somites, and elsewhere, diagnostic of a failure of Delta-Notch signalling: in the CNS, it shows a neurogenic phenotype accompanied by misregulated delta gene expression. Similar misregulation of delta ; genes is seen in the ear, along with misregulation of a Serrate homologue, serrateB, coding for an alternative Notch ligand. Most dramatically, the sensory patches in the mind bomb ear consist solely of hair cells, which are produced in great excess and prematurely; at 36 hours post fertilization, there are more than ten times as many as normal, while supporting cells are absent. A twofold increase is seen in the number of otic neurons also. The findings are strong evidence that lateral inhibition mediated by Delta-Notch signalling controls the pattern of sensory cell differentiation in the ear.

Animals↗
PubMed2004

The effect of social role on theory of mind reasoning.

The aim of this project was to explore the effects of social status on Theory of Mind (ToM) reasoning. Neurologically normal adults' ToM performance was manipulated experimentally by temporarily putting them in a higher or lower status condition. Half the participants 'won' a mock competition and subsequently acted as instructor and evaluator. The other half 'lost' and subsequently acted as learner. Participants then completed ToM and control tasks including embedded false belief tasks and cartoon comprehension tasks. The hypothesis tested was that social role manipulation could affect performance on ToM tasks independently of any effect on control tasks. Results show an interaction between assigned status and task type. That performance on theory of mind tasks can vary independently of performance on matched control tasks is consistent with the idea that ToM reasoning can change as a result of a change in social status.

Adult↗
PubMed2005

Narrative possibilities: using mindfulness in clinical practice.

Narrative is ever present in medicine and is an integral aspect of the doctor and patient relationship. Although theoretical discussions of narrative medicine and narrative ethics are important, they may serve to reify the patient's story, to make it a specific entity. In practice, the patient's story unfolds in the moment of communication depending on the individuals and the circumstances; the story is not an "object." Patients' narratives heard in clinical settings are often limited by physician behaviors, especially the tendency of physicians to control the interaction with the patient. To develop individual narratives effectively and competently, physicians must be able to help the patient tell the story that is most important, meaningful, and descriptive of the situation. If the patient's narrative is not heard fully, the possibility of diagnostic and therapeutic error increases, the likelihood of personal connections resulting from a shared experience diminishes, empathic opportunities are missed, and patients may not feel understood or cared for. The practice of mindfulness--moment-to-moment, nonjudgmental awareness--opens a doorway into the patient's story as it unfolds. Such mindful practice develops the physician's focus of attention and offers the possibility for a meaningful and important narrative to arise between patient and physician.

Attitude of Health Personnel↗
PubMed2024

Measuring the perceived wellbeing of hemodialysis patients: A Mind Genomics cartography.

Chronic Kidney Disease patients under hemodialysis have high morbidity rate, which tends to considerably affect their health-related quality of life. Multiple studies that have made use of different questionnaries report the poor life quality of this patient group. The research in hand implemented the Mind Genomics Approach as a method to asses the health-related quality of life of hemodialysis patients, while relying on conjoint measurements to group individuals with similar patterns of responses to a certain mindset. The study is conducted in 3 clinics with 219 patients. It uncovers three clusters or mindsets: Mindset 1- Feels guardedly optimistic but worried about money, Mindset 2-Feels strongly positive because the state guarantees and the family supports, Mindset 3-Feels positive only about money. Based on the analysis of the collected data, the findings of this study suggest that the quality of life in hemodialysis patients is highly correlated to their financial status. The current study is one of the few first attempts to apply Mind Genomics in medical settings and the first, to our knowledge, in hemodialysis centers. This technology might enable healthcare proffesionals to provide personalized psychological treatment and additional social support to patients, which in turn could improve their clinical outcomes. The study is an example of using technology as a service.

Humans↗
PubMed2003

The mind through chick eyes: memory, cognition and anticipation.

To understand the animal mind, we have to reconstruct how animals recognize the external world through their own eyes. For the reconstruction to be realistic, explanations must be made both in their proximate causes (brain mechanisms) as well as ultimate causes (evolutionary backgrounds). Here, we review recent advances in the behavioral, psychological, and system-neuroscience studies accomplished using the domestic chick as subjects. Diverse behavioral paradigms are compared (such as filial imprinting, sexual imprinting, one-trial passive avoidance learning, and reinforcement operant conditioning) in their behavioral characterizations (development, sensory and motor aspects of functions, fitness gains) and relevant brain mechanisms. We will stress that common brain regions are shared by these distinct paradigms, particularly those in the ventral telencephalic structures such as AIv (in the archistriatum) and LPO (in the medial striatum). Neuronal ensembles in these regions could code the chick's anticipation for forthcoming events, particularly the quality/quantity and the temporal proximity of rewards. Without the internal representation of the anticipated proximity in LPO, behavioral tolerance will be lost, and the chick makes impulsive choice for a less optimized option. Functional roles of these regions proved compatible with their anatomical counterparts in the mammalian brain, thus suggesting that the neural systems linking between the memorized past and the anticipated future have remained highly conservative through the evolution of the amniotic vertebrates during the last 300 million years. With the conservative nature in mind, research efforts should be oriented toward a unifying theory, which could explain behavioral deviations from optimized foraging, such as "naïve curiosity," "contra-freeloading," "Concorde fallacy," and "altruism."

Animals↗
PubMedDate not supplied

Mind, brain, and psychiatry.

The question of how the mind and brain are related has interested philosophers and scientists for over 20 centuries. Psychiatry has approached this question indirectly, from the standpoint of trying to correlate mental and physical functioning. Recent neurobiological advances may help to resolve the mind-body dichotomy. In this paper we review one particular neurobiologically based theory, the theory of neuronal group selection as proposed by Gerald Edelman. We describe the applicability of this theory to the clinical issues of attachment, character pathology, and depression to show how biological and psychological hypotheses of behavior can be assimilated into an integrated approach. We also briefly discuss limitations of Edelman's model, as well as alternative concepts in artificial intelligence, cognitive psychology, and quantum theory.

Brain↗
PubMed1989

The theory of mind hypothesis of autism: explanation, evidence and assessment.

The hypothesis that autistic people have impaired metarepresentational ability (and, as one result, lack a 'theory of mind') is described in the context of other psychological work concerning the development and function of the human mind. Evidence for the hypothesis is outlined and evaluated. The claim that impaired metarepresentational ability underlies the social, communicative and imaginative deficits of autism (see paper by Uta Frith in this issue) is discussed. It is concluded that impaired metarepresentational ability is unlikely to be the primary, or fundamental, behavioural difficulty in autism, but that the hypothesis provides an important new way of looking at and understanding autistic behaviour.

Autistic Disorder↗
PubMed2006

Mind-mapped care plans: integrating an innovative educational tool as an alternative to traditional care plans.

Teaching nursing students how to think critically when planning patient care is vital to their professional success. Traditionally, the nursing care plan has been used to apply steps of the nursing process in planning patient care. However, nursing has evolved into a more complex profession that requires expanded ways of thinking and reasoning beyond the linear methods used in the past. Mind-mapped care plans provide an alternative method of teaching holistic, patient-centered care. This article describes the process used to integrate the mind-mapped care plan as an innovative educational tool, as well as formative and summative outcomes of its use.

Attitude of Health Personnel↗
PubMedDate not supplied

Evaluation of a Wellness-Based Mindfulness Stress Reduction intervention: a controlled trial.

PURPOSE: To determine if participation in a Wellness-Based Mindfulness Stress Reduction intervention decreases the effect of daily hassles, psychological distress, and medical symptoms. DESIGN: A randomized controlled trial of a stress reduction intervention with a 3-month follow-up. SETTING: A university setting in West Virginia. SUBJECTS: A total of 103 adults, with 59 in the intervention group and 44 in the control group. Eight-five percent of subjects completed the intervention. Fifty-nine percent and 61% of the intervention and control subjects completed the study, respectively. INTERVENTION: The intervention consisted of an 8-week group stress reduction program in which subjects learned, practiced, and applied "mindfulness meditation" to daily life situations. The control group received educational materials and were encouraged to use community resources for stress management. MEASURES: The Daily Stress Inventory assessed the effect of daily hassles, the Revised Hopkins Symptom Checklist measured psychological distress, the Medical Symptom Checklist measured number of medical symptoms, and a Follow-up Questionnaire measured program adherence. RESULTS: Intervention subjects reported significant decreases from baseline in effect of daily hassles (24%), psychological distress, (44%), and medical symptoms (46%) that were maintained at the 3-month follow-up compared to control subjects (repeated measures analysis of variance [ANOVA]; p < .05). CONCLUSIONS: Self-selected community residents can improve their mental and physical health by participating in a stress reduction intervention offered by a university wellness program.

Adult↗
PubMed1999

Stress and mind-body impact on the course of inflammatory bowel diseases.

At present, the medical management of inflammatory bowel diseases (IBD) including Crohn's disease and ulcerative colitis, are focused on topical, locally active antiinflammatories and systemic immunosuppressives, which are thought to exert their targeted effects in the gastrointestinal mucosa. There is a paucity of controlled trials assessing the impact of mind, central nervous system (CNS), and neuromodulation on the overly active immune response in the intestinal mucosa. Patients and their physicians have long been aware of a strong association between attitude, stress, and flares of their IBD. Although reports to date remain mostly anecdotal, the degree to which mind-body influences and stress impact levels of local inflammation deserves closer attention with the aim of identifying contributing mechanisms, which may highlight new therapeutic interventions, as well as assist in identifying particular subsets of patients that may respond to novel forms of adjunctive treatments for IBD, including hypnosis, meditation, neuropeptide receptor modulation, and cortisol-releasing factor (CRF) modulation.

Adult↗
PubMed1975

MIND--a five-state regional approach to continuing dental education.

MIND has finished two years of operation as a regional center for continuing dental education. The responses from viewing cards, and the number of credit hours given, indicate that approximately 20% of the potential audience participated in the course offerings. Previous experience from a two-year study in South Dakota has shown that there are three major factors that are essential for effective use of television as a dissemination medium. These are as follows: 1) the program should establish effective use of the communication system to maintain an audience; 2) the quality of thr programming material that is televised must be high; 3) the program should be televised on a regular basis to develop viewer habits or expectations. With a potential audience of 11,000 persons, MIND has had to depend heavily on a bulk-rate mailing system to communicate with members of the dental profession. This has caused problems such as reminders not being received on time, or being lost in the mail, or not being read, so that the individual is unaware that the courses are being telecast. Another problem of mailing system is maintaining an up-to-date list of addresses. The names and addresses of the dental assistants are impossible to keep up to date. We use the lists of licensed dentists and dental hygienists issued each July and a list of the certified dental assistants, which, of course, does not include all the dental assistants in our five-state area. A system providing more direct contact with the individual needs to be developed. Quality of televised courses is determined by the clinician's style of presentation as well as by the content and organization of the course material. The selection of dental information aimed toward the dentist in general practice results in loss of some members of the viewing audience, particularly specialists and generalpractitioners who have confined their practice to a particular area of dentistry. Quality is also judged by the technical aspects such as camera coverage, color, types of audiovisual materials, and televison reception. There is a limited amount of videotaped material available, and the members of the Board of Directors are asked to preview the videotapes and select three courses that they judge to be of the best quality for the year's programs. One difficulty is to find courses that will be of value to all three groups--dentists, dental assistants, and dental hygienists. Despite the problems encountered, the use of educational television should focus on the positive characteristics of availability, relatively low cost of operation, and the opportunity to provide continuing dental education at a convenient time and place.

Curriculum↗
PubMed1999

Using mind-body techniques in dentistry.

Mind-body medicine is a win-win proposition for dentists and their patients. Patients experience less anxiety and less discomfort during procedures. However, it's important to know the advantages and disadvantages if you are considering offering mind-body services in your practice.

Autosuggestion↗
PubMed2001

Advancing advanced mind-reading tests: empathic accuracy in adults with a pervasive developmental disorder.

Research using advanced but static mind-reading tests with high-functioning adults with a pervasive developmental disorder (PDD) provided evidence for subtle social cognitive deficits. In the present study, adults with PDD were unimpaired on such tasks, relative to individually matched normal controls. Significant differences between the two groups were, however, found on a more naturalistic empathic accuracy task developed for this study. Participants viewed two videotaped interactions that both depicted a male and female stranger having an initial conversation and were asked to infer the unexpressed thoughts and feelings of the four targets. Subjects with PDD performed significantly worse on the second video. These findings suggest that the mind-reading deficit of a subgroup of able adults with PDD may only be apparent when a sufficiently complex naturalistic assessment method is being used.

Adolescent↗
PubMed2001

Making it safe, making it legal, and creating peace of mind.

The job of a medical or academic radiation safety officer has three parts: keeping it safe, keeping it legal, and helping people feel that they are safe. Absence of peace-of-mind about radiation protection matters can create very real health effects, even when there is little or no radiation exposure involved. Frightened people may make decisions such as changing jobs (and losing health insurance), terminating a pregnancy, or moving, all of which impact health. Furthermore, frightened people who choose to stick with it may suffer from anxiety, stress, insomnia, and weight loss or even weight gain. Genuinely listening to the concerns of those who benefit from radiation safety services can help to provide peace-of-mind and minimize decisions that are risky to health.

Female↗
PubMed2001

Psycho dermatology: the mind and skin connection.

A psychodermatologic disorder is a condition that involves an interaction between the mind and the skin. Psychodermatologic disorders fall into three categories: psychophysiologic disorders, primary psychiatric disorders and secondary psychiatric disorders. Psychophysiologic disorders (e.g., psoriasis and eczema) are associated with skin problems that are not directly connected to the mind but that react to emotional states, such as stress. Primary psychiatric disorders involve psychiatric conditions that result in self-induced cutaneous manifestations, such as trichotillomania and delusions of parasitosis. Secondary psychiatric disorders are associated with disfiguring skin disorders. The disfigurement results in psychologic problems, such as decreased self-esteem, depression or social phobia. Most psychodermatologic disorders can be treated with anxiety-decreasing techniques or, in extreme cases, psychotropic medications.

Diagnosis, Differential↗
PubMed2001

[Is disease grounded in the mind, the spirit or communication? Pathology as a leading path in learning about disease].

What is the reason, why pathology could command a dominating position as a central teaching discipline in the last 150 years? Furthermore: can this position be maintained in the future? Pathology takes its definitive stand in the philosophic confrontation of "Mind" versus "Matter". It guards the dogma of Morgagni: every disease is reflected by its typical morphological substrate. As long as this dogma is guarded and defended by the discipline of pathology, we will stay at the helm of teaching in medicine. Recently information as a third reality (besides mind and matter) has come into existence. Information is defined here as genomic information specifically the differentially activated functional genomics. In extension to the old dogma of Morgagni we recognize now an extension to "functional" diseases where we do not (yet) find a pathological anatomical manifestation. In these cases "information" is defined as differences in physical states. They can be converted to information in the sense of meaning and purpose by communication. Pathology provides the bridge between functional genomics and morphological manifestations of diseases (phenomics). The future of pathology is based on the amalgamation of the old and reliable Morgagni-Virchow dogma with the new informational dogma. If pathology provides sense, meaning and significance to phenomics, morphology in relation to functional genomics it will retain and even enlarge its influence as the most important teaching discipline in medicine.

Communication↗
PubMed2002

Treatment of depression after myocardial infarction and the effects on cardiac prognosis and quality of life: rationale and outline of the Myocardial INfarction and Depression-Intervention Trial (MIND-IT).

BACKGROUND: Patients with a depressive disorder after myocardial infarction (MI) have a significantly increased risk of major cardiac events. The Myocardial INfarction and Depression-Intervention Trial (MIND-IT) investigates whether antidepressive treatment can improve the cardiac prognosis for these patients. The rationale and outline of the study are described. METHODS: In this multicenter randomized clinical trial, 2140 patients admitted for MI are screened for depressive symptoms with a questionnaire 0, 3, 6, 9, and 12 months after MI. Patients with symptoms undergo a standardized psychiatric interview. Those with a post-MI depressive episode are randomized to intervention (ie, antidepressive treatment; n = 190) or care-as-usual (CAU; n = 130). In the intervention arm, the research diagnosis is to be confirmed by a psychiatrist. First-choice treatment consists of placebo-controlled treatment with mirtazapine. In case of refusal or nonresponse, alternative open treatment with citalopram is offered. In the CAU arm, the patient is not informed about the research diagnosis. Psychiatric treatment outside the study is recorded, but no treatment is offered. Both arms are followed for end points (cardiac death or hospital admission for MI, unstable angina, heart failure, or ventricular tachyarrhythmia) during an average period of 27 months. Analysis is on an intention-to-treat basis. CONCLUSION: The MIND-IT study will show whether treatment of post-MI depression can improve cardiac prognosis.

Adult↗
PubMed2002

Mindfulness meditation in the control of severe headache.

In the West, the use of the methods of alternative medicine, including meditation, has been on the rise. In the US, Kabat-Zinn and associates have pioneered the extensive use of mindfulness meditation (MM) for the treatment of people facing pain and illness. Among the essentials of MM is the observation of bodily sensations, including pain. In Taiwan, despite the deep cultural roots of meditation, its therapeutic use has received little attention from institutionalized medicine. We report on the case of a man who was prone to developing severe headaches due to activities requiring extreme concentration. He learned to control his pain and discomfort through mindfulness meditation, although this practice in fact induced headaches initially. It is suggested that training in MM may be a medically superior and cost-effective alternative to pain medication for the control of headaches with no underlying organic causes in highly motivated patients.

Adult↗