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At least 19 recordsLinked to original sources

Positioning of the MinE binding site on the MinD surface suggests a plausible mechanism for activation of the Escherichia coli MinD ATPase during division site selection.

Division site selection in Escherichia coli requires that the MinD protein interact with itself and with MinC and MinE. MinD is a member of the NifH-ArsA-Par-MinD subgroup of ATPases. The MinE-MinD interaction results in activation of MinD ATPase activity in the presence of membrane vesicles. The sites within MinD responsible for its interaction with MinC and MinE were studied by site-directed mutagenesis and yeast two-hybrid analysis, guided by the known three-dimensional structure of MinD proteins. This provided evidence that MinC and MinE bind to overlapping sites on the MinD surface. The results also suggested that MinE and the invariant Lys11 residue in the ATPase P-loop of MinD compete for binding to a common site within the MinD structure, thereby providing a plausible structural basis for the ability of MinE to activate the ATPase activity of MinD.

Adenosine Triphosphatases↗

The Effect of Mindfulness-Based Psychoeducation Program on Mindfulness, Self-Compassion, and Forgiveness Tendencies of Patients with Bipolar Disorder: A Randomized Controlled Trial.

This study examined the effects of a mindfulness-based psychoeducation program on mindfulness, self-compassion, and forgiveness in patients with bipolar disorder using a pretest-posttest randomized controlled experimental design. The study sample comprised of 40 patients (experimental group, n&#x2009;=&#x2009;20; control group, n&#x2009;=&#x2009;20). A mindfulness-based psychoeducation program was administered to the experimental group, while no intervention was administered to the control group. Data were collected using a personal information form, the Mindfulness Scale, the Self-Compassion Scale Short Form, and the Heartland Forgiveness Scale. The study revealed that the experimental group's mean scores on the mindfulness, self-compassion, and forgiveness scales following the intervention were significantly higher than those of the control group (p&#x2009;<&#x2009;.05). This study found that a mindfulness-based psychoeducation program increased mindfulness, self-compassion, and forgiveness in patients with bipolar disorder. The findings are limited to a small outpatient sample from a single CMHC and may not be generalizable to hospitalized patients with more severe clinical presentations. Mindfulness-based educational programs may enhance mental health, improve illness insight, support symptom management, and strengthen social functioning in individuals with bipolar disorder. The results emphasize the importance of integrating these programs into treatment processes and reveal the necessity for psychiatric nurses to actively implement mindfulness-based interventions. Psychiatric nurses should consider incorporating mindfulness-based techniques into their practice to improve the mental health of individuals with bipolar disorder, better understand the disorder, control symptoms, and improve social interactions.

Humans↗

Analysis of MinD mutations reveals residues required for MinE stimulation of the MinD ATPase and residues required for MinC interaction.

The MinD ATPase is critical to the oscillation of the Min proteins, which limits formation of the Z ring to midcell. In the presence of ATP, MinD binds to the membrane and recruits MinC, forming a complex that can destabilize the cytokinetic Z ring. MinE, which is also recruited to the membrane by MinD, displaces MinC and stimulates the MinD ATPase, resulting in the oscillation of the Min proteins. In this study we have investigated the role of lysine 11, present in the deviant Walker A motif of MinD, and the three residues in helix 7 (E146, S148, and D152) that interact electrostatically with lysine 11. Lysine 11 is required for interaction of MinD with the membrane, MinC, MinE, and itself. In contrast, the three residues in helix 7 that interact with lysine 11 are not required for binding to the membrane or activation of MinC. They are also not required for MinE binding; however, they are required for MinE to stimulate the MinD ATPase. Interestingly, the D152A mutant self-interacts, binds to the membrane, and recruits MinC and MinE in the presence of ADP as well as ATP. This mutant provides evidence that dimerization of MinD is sufficient for MinD to bind the membrane and recruit its partners.

Adenosine Diphosphate↗

Testing How Mindfulness Skills Change for Novice Meditators Using Headspace: Examining Trait Mindfulness and Perceived Stress as Moderators.

Mindfulness-based interventions are found to effectively reduce stress and improve mental health outcomes. Yet, it is not always clear how the mindfulness skills of attention and acceptance develop throughout the intervention. This knowledge gap is especially pertinent for novice meditators learning these skills for the first time, including whether some individuals are more prone to learning them. Using a randomized waitlist-controlled trial, we tested the effect of the app Headspace on changes in attention and acceptance over 8&#xa0;weeks among participants new to mindfulness meditation. Further, we tested the moderating effects of trait mindfulness and perceived stress. Non-faculty university employees were randomized to a Headspace or waitlist control condition. Trait mindfulness and perceived stress were measured at baseline. Ecological momentary assessment survey data for attention and acceptance were collected five times a day in 4-day bursts at baseline and 2, 5, and 8&#xa0;weeks post-randomisation. Attention and acceptance were significantly higher at Week 8 compared to baseline for the Headspace group, but not the control group. For the Headspace group, both skills showed significant change by Week 2. Trait mindfulness moderated this effect with those who were lower in trait mindfulness displaying greater increases in attention, but not acceptance. Perceived stress also moderated this effect with those who were lower in perceived stress displaying greater increases in attention and acceptance. Our discussion draws attention to implications for matching intervention content to individual needs to ensure participants reporting different levels of characteristics benefit from mindfulness training.

Humans↗

Human development III: bridging brain-mind and body-mind. introduction to "deep" (fractal, poly-ray) cosmology.

Reality can be interpreted in many ways, but two distinctly different ways are the mental and the emotional interpretation. The traditional way of thinking in science today is the first: an often simple and mechanical interpretation of reality that empowers us to handle the outer physical world with great, often brutal efficiency. The development of a mind that enables us to handle the outer physical world and survive makes a lot of sense from an evolutionary perspective; the problem is that the mental reason and linear logic reduces all phenomena to well-defined interacting objects, which might not exist from a deeper perspective of reality. A more intuitive way to interpret the world makes much more sense, when it comes to our human relations. So to function as a human being, we need both these two ways of seeing the world, and two different modi operandi. In many patients, we find an internalized conflict between logical and mental reasoning on one hand, and emotional and sexual approach to reality and human needs on the other. We speculate that this conflict causes the deep emotional problems that really are the basis of most human diseases. Only by merging brain-mind and body-mind will we be whole and free and truly ourselves. We need to develop our mental understanding, deepen our cosmology, and develop our sexuality and body-mind in order to make them meet and merge. To facilitate this existential healing, we propose a third integrative way of looking at our human nature, which we call "the energetic-informational interpretation of reality". What it does is allows us to look at both brain-mind and body-mind as a highly structured field of "energy and information". Energy and information are actually the same from a scientific point of view; when the world is seen through the body-mind, it looks more like energy; when seen though the brain-mind, it looks more like information.

Brain↗

The relation between acquisition of a theory of mind and the capacity to hold in mind.

Building on earlier work by Pascual-Leone (1970) and Case (1985), Olson (1989; 1993) set out a theory showing how a series of incremental changes in capacity for "holding in mind" could account, in part, for children's acquisition of a theory of mind. Following Piaget (1951) infants were said to employ schemata for maintaining relations with objects and events in the presence of those events. At about 18 months children became capable of holding in mind an object so as to free the perceptual system to perceive a second object and form a relation between the two, allowing for what Piaget called the "symbolic function" and what Olson described as predication. At around 4 years, the period examined in the present study, children were said to acquire the ability to represent that predicative relation as a belief or as true or false. That was the stage at which children were said to possess a theory of mind. The present study tested the hypothesized relation between development of a theory of mind and increasing computational resources. Three-, four-, and five-year-old children's performance on a pair of theory of mind tasks was compared with that on a pair of dual processing tasks designed on the basis of Baddeley's (1986) model of working memory. The resulting correlations, as high as r = .64 between the tasks, suggest that changes in capacity to hold in mind allow the expression of, and arguably the formation of, a theory of mind.

Age Factors↗

[The current mind-brain theories in analytical philosophy of mind and their epistemic significance for psychiatry].

This article begins with an orientational survey of the historical evolution of analytical philosophy of mind (APM) which was formulated in the last 40 years as "philosophy of mind" in the Anglo-Saxon scientific-cultural world and which, in the meantime, dominates to a great extent contemporary German philosophy. Then there follows a discussion of the currently most popular mind-brain theories in philosophy. In comparison to the more marginal dualist variants (interactionism, epiphenomenalism, parallelism), it is mainly the monistic positions of non-reductive, reductive and eliminative materialism and the materialist functionalism underlying it, which determines analytical philosophy of mind and its influence on psychopathology and psychiatry. Under the additional influence of modern brain research methods, particularly neuroimaging, it is progressively developing into a subdiscipline of neuroscience, a complex and increasingly more firmly established scientific discipline which comprises the totality of all sciences dealing with neuronal functions, including the close epistemic associations of APM and neuroimaging. This is the effective epistemic central idea determining the theory of the neuronal network which, in the form of a connectionist psychopathology, is intended to make possible a fundamentally new access to the comprehension of psychiatric forms of illness. In this respect it is evident, however, that the perception of the naturality of the mind as the fundamental thesis of APM and thus of connectionism cannot be followed through, since, up to now, neither from the phenomenality of the mind (especially the quality of senses, "Qualia") nor from intentionality of the mind (i. e. the ability to act intentionally, free from the constraint of the causality of nature and thus in self-responsible fashion) has proved it possible to reconstruct a generally accepted naturalist theory. Furthermore, it has not been possible to reformulate it in an exclusively physical, i. e. non-phenomenological concept and terminology which is, above all, free from the intentionality idiom. The consequence of this, however, is that a connectionist psychopathology can only represent a subpersonal, i. e., subhuman area and that in order to establish a personal psychopathology, naturalistic unreduced theories of experience-qualities and intentional acts of completeness are absolutely essential. The neuroscientific-connectionist paradigm of psychopathology must therefore - at least for the present - be supplement by the paradigm of a non-natural (e. g. phenomenological-hermeneutic) psychopathology. This result can only encourage the relinquishing of epistemically one-sided materialist and other monistic mind-brain theories of APM in favour of an epistemically open pragmatic interactionist dualism as the scientific position which best represents the current state of knowledge.

Humans↗

The mind's "I": children's conception of the mind as an active agent.

1 hypothesis about children's developing conception of the mind is that preschoolers are limited to an understanding that persons have internal, mental contents like thoughts and beliefs, whereas older children and adults conceive of the mind itself as an independent, active structure or processor. Adults' conception of the mind in this independent active fashion seems evident in their use of personified mental metaphor (e.g., "My mind tricked me"). 3 studies examined the development and consolidation of this active, personified view. Study 1 provided an analysis of natural language data regarding 1 child's uses of vision words such as see and look from age 2 1/2 to 8 years. We examined the child's use of such words to refer literally to perception (e.g., "I see the TV") and also to refer nonliterally to active mental processes such as comprehension and inference (e.g., "I see what you mean"). Studies 2 and 3 examined 6-, 8-, and 10-year-olds' comprehension and production of mental metaphors. In a metaphor comprehension task, we asked children to interpret personified metaphoric statements about the mind (e.g., "My mind wandered") and 3 comparison domains, mechanics (e.g., "The car is dead"), nature (e.g., "The wind is howling"), and emotion (e.g., "Her heart was smiling"). In an explanation task, we asked children to explain the processes underlying the making of both instant photos and mental images. The findings reveal a developing ability to interpret and produce statements personifying the mind and provide considerable evidence about children's movement toward a conception of the mind as an independent entity deserving reference and conceptualization in its own right.

Child↗

Pathways to understanding mind: construct validity and predictive validity of maternal mind-mindedness.

The construct validity of maternal mind-mindedness (MM) was investigated in the context of its relations with children's later understanding of mind. MM measures were obtained from infant-mother (N = 52) interactions at 6 months, and from maternal interviews at 48 months. Children's understanding of mind was assessed using theory of mind (ToM) tasks at 45 and 48 months, and a stream of consciousness (SoC) task at 55 months. One of the early MM measures--mothers' appropriate mind-related comments--was a positive independent predictor of: (a) MM at 48 months, and (b) ToM and SoC performance at 45 to 55 months. Path analyses suggested direct links between mothers' use of appropriate mind-related comments and children's later understanding of mind.

Child↗

[Reading mind from pictures of eyes: theory of mind, language ability, general intellectual ability, and autism].

Some researchers have claimed that theory of mind or 'mind reading' ability, necessary for inferring the mental states of others, depends on language ability. However, previous tests of theory of mind were verbally demanding, and high correlations found might have been an artifact. This paper reports the performance of 22 children with autism, with varying degrees of dysfunction, on a test devised by Baron-Cohen, Jolliffe, Mortimore, and Robertson (1997), based on a relatively nonverbal theory of mind. The test involved inference of mental states from photographs of human eyes. Results indicated that mind reading ability was independent of language ability, general intelligence, or mental age. Test scores were, however, strongly related to the severity of autistic disorder. These results suggest both the independence of mind-reading ability from language ability and general intelligence, and a strong relationship between theory of mind deficit and the autistic disorder.

Autistic Disorder↗

Using mindfulness-based therapeutic interventions in psychiatric nursing practice--part II: Mindfulness-based approaches for all phases of psychotherapy--clinical case study.

Finding effective nursing interventions for the treatment of mental illness is a major concern for advanced practice psychiatric nurses (APPN). Increasingly, innovative psychotherapeutic treatment modalities are being used for the treatment of individuals with serious mental illness. One such innovative approach, Mindfulness-based therapeutic interventions, has been shown to relieve distress for individuals with medical and psychiatric illnesses. In Part I of this two-part article, the authors described principle concepts of mindfulness, reviewed current research in the usefulness of mindfulness practice for treatment of psychiatric illnesses. The structure and content of mindfulness-based cognitive therapy (MBCT) was also outlined and provided the theoretical basis for this treatment approach. This alternative therapeutic approach offers potential usefulness for the treatment of individuals suffering from mental illness. Part II of this article presents a more detailed explanation of mindfulness-based therapeutic approaches for all phases of psychotherapy and identifies relevant research questions that will provide an empirical base to guide clinical practice. A case study illustrates mindfulness-based therapeutic interventions.

Aged↗

Effects of Cognitive Behavioral Couple Therapy With Integrated Mindfulness on Mindful Attention, Depressive Symptoms, and Dyadic Adjustment in Low-Income Couples: A Pilot Randomized Clinical Trial.

Psychosocial distress can exacerbate marital conflict, maladjustment, and mental health vulnerability. This pilot randomized clinical trial examined cognitive-behavioral couple therapy (CBCT) integrated with mindfulness in low-income Brazilian couples (per-capita household income up to one minimum wage). Thirty-four participants (17 heterosexual couples) were randomized (independent computer-generated sequence) to an experimental (n&#x2009;=&#x2009;16) or waitlist control group (n&#x2009;=&#x2009;18). We assessed dyadic adjustment, mindful attention, marital social skills, and depressive symptoms (R-DAS, MAAS, IHSC, BDI-II) at baseline, post-treatment, and 3-month follow-up. The intervention was eight 80-min conjoint sessions plus daily home exercises. Time&#x2009;&#xd7;&#x2009;group effects favored the experimental group for dyadic adjustment, mindful attention, and depressive symptoms (all p&#x2009;<&#x2009;0.001,&#x2009;=&#x2009;0.20-0.37), but not marital social skills (p&#x2009;=&#x2009;0.14). Because two outcomes differed at baseline, effects were confirmed with baseline- and dependence-adjusted sensitivity analyses. These findings provide preliminary evidence that CBCT with mindfulness may benefit disadvantaged couples.

Adult↗

Using mindfulness-based therapeutic interventions in psychiatric nursing practice--part I: Description and empirical support for mindfulness-based interventions.

Finding effective nursing interventions for the treatment of mental illness is a major concern for advanced practice psychiatric nurses (APPN). Increasingly, innovative psychotherapeutic treatment modalities are being used for the treatment of individuals with serious mental illness. One such innovative approach, mindfulness-based therapeutic interventions, has been shown to relieve distress for individuals with medical and psychiatric illnesses. In part one of this two-part article, the investigators describe principle concepts of mindfulness, review current research in the usefulness of mindfulness practice for treatment of psychiatric illnesses, and outline the theoretical basis for this treatment modality, including mindfulness-based cognitive therapy (MBCT). In Part II, the writers detail the therapy phases of MBCT and present a clinical case in which an advance practice psychiatric nurse integrates mindfulness-based psychotherapeutic approaches into her treatment. This clinical case may inform future clinical nursing research and advanced psychiatric nursing practice.

Cognitive Behavioral Therapy↗

Mind over matter? I: philosophical aspects of the mind-brain problem.

OBJECTIVE: To conceptualize the essence of the mind-body or mind-brain problem as one of metaphysics rather than science, and to propose a formulation of the problem in the context of current scientific knowledge and its limitations. METHOD AND RESULTS: The background and conceptual parameters of the mind-body problem are delineated, and the limitations of brain research in formulating a solution identified. The problem is reformulated and stated in terms of two propositions. These constitute a 'double aspect theory'. CONCLUSIONS: The problem appears to arise as a consequence of the conceptual limitations of the human mind, and hence remains essentially a metaphysical one. A 'double aspect theory' recognizes the essential unity of mind and brain, while remaining consistent with the dualism inherent in human experience.

Brain↗

MinC mutants deficient in MinD- and DicB-mediated cell division inhibition due to loss of interaction with MinD, DicB, or a septal component.

The min locus encodes a negative regulatory system that limits formation of the cytokinetic Z ring to midcell by preventing its formation near the poles. Of the three Min proteins, MinC is the inhibitor and prevents Z-ring formation by interacting directly with FtsZ. MinD activates MinC by recruiting it to the membrane and conferring a higher affinity on the MinCD complex for a septal component. MinE regulates the cellular location of MinCD by inducing MinD, and thereby MinC, to oscillate between the poles of the cell, resulting in a time-averaged concentration of MinCD on the membrane that is lowest at midcell. MinC can also be activated by the prophage-encoded protein DicB, which targets MinC to the septum without recruiting it first to the membrane. Previous studies have shown that the C-terminal domain of MinC is responsible for the interaction with MinD, DicB, and the septal component. In the present study, we isolated mutations in the C-terminal domain of MinC that affected its interaction with MinD, DicB, and the septal component. Among the mutations isolated, R133A and S134A are specifically deficient in the interaction with MinD, E156A is primarily affected in the interaction with DicB, and R172A is primarily deficient in the interaction with the septum. These mutations differentiate the interactions of MinC with its partners and further support the model of MinCD- and MinC-DicB-mediated cell division inhibition.

Adenosine Triphosphatases↗

Reading the mind in cartoons and stories: an fMRI study of 'theory of mind' in verbal and nonverbal tasks.

Previous functional imaging studies have explored the brain regions activated by tasks requiring 'theory of mind'--the attribution of mental states. Tasks used have been primarily verbal, and it has been unclear to what extent different results have reflected different tasks, scanning techniques, or genuinely distinct regions of activation. Here we report results from a functional magnetic resonance imaging study (fMRI) involving two rather different tasks both designed to tap theory of mind. Brain activation during the theory of mind condition of a story task and a cartoon task showed considerable overlap, specifically in the medial prefrontal cortex (paracingulate cortex). These results are discussed in relation to the cognitive mechanisms underpinning our everyday ability to 'mind-read'.

Adult↗

Seeing the mind: considerations on visual metaphors of the mind in Western thought (16th-18th centuries).

Throughout the centuries, in Western culture, scientists, philosophers, and artists have been fascinated by the working of the mind. They have attempted to translate this into visual models that are able to provide tangible references to otherwise abstract concepts. These metaphors are deeply rooted in culture and their significance encompasses ideas which shape and characterize different epochs. With a consideration of visual models of the mind developed in Western thought during the 16th and 18th centuries, this article aims to provide an overview of some of the most significant metaphors developed to illustrate the working of the mind and highlight their broader cultural significance. Generally, models used to describe the brain, and consequently to conceptualize the mind, match the most recent technical achievements or important cultural developments. They illustrate the processes through which material reality and the self are perceived and represented. This article shows how these models betray broader cultural concerns and testify to the zeitgeist of an epoch.

Brain↗