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PubMed2004

Inside the mind reader's tool kit: projection and stereotyping in mental state inference.

Mental state inferences--judgments about what others think, want, and feel--are central to social life. Models of "mind reading" have considered main effects, including social projection and stereotyping, but have not specified the conditions that govern when these tools will be used. This article develops such a model, claiming that when perceivers assume an initial general sense of similarity to a target, they engage in greater projection and less stereotyping. Three studies featuring manipulations of similarity support this claim. Moreover, reaction time results shed light on the mechanisms underlying these effects. The proposed model gives a new view of the mind reader's tool kit and, more generally, raises questions about moderators of stereotyping and projection in social judgment.

Adult↗
PubMed2004

Individual differences in working memory capacity and dual-process theories of the mind.

Dual-process theories of the mind are ubiquitous in psychology. A central principle of these theories is that behavior is determined by the interplay of automatic and controlled processing. In this article, the authors examine individual differences in the capacity to control attention as a major contributor to differences in working memory capacity (WMC). The authors discuss the enormous implications of this individual difference for a host of dual-process theories in social, personality, cognitive, and clinical psychology. In addition, the authors propose several new areas of investigation that derive directly from applying the concept of WMC to dual-process theories of the mind.

Humans↗
PubMed2005

The cultural mind: environmental decision making and cultural modeling within and across populations.

This article describes cross-cultural research on the relation between how people conceptualize nature and how they act in it. Mental models of nature differ dramatically among populations living in the same area and engaged in similar activities. This has novel implications for environmental decision making and management, including common problems. The research offers a distinct perspective on cultural modeling and a unified approach to studies of culture and cognition. The authors argue that cultural transmission and formation consist primarily not in shared rules or norms but in complex distributions of causally connected representations across minds interacting with the environment. The cultural stability and diversity of these representations often derive from rich, biologically prepared mental mechanisms that limit variation to readily transmissible psychological forms. This framework addresses several methodological issues, such as limitations on conceiving culture to be a well-defined system, bounded entity, independent variable, or an internalized component of minds.

Cognition↗
PubMed2006

Tracking the mind during reading: the influence of past, present, and future words on fixation durations.

Reading requires the orchestration of visual, attentional, language-related, and oculomotor processing constraints. This study replicates previous effects of frequency, predictability, and length of fixated words on fixation durations in natural reading and demonstrates new effects of these variables related to 144 sentences. Such evidence for distributed processing of words across fixation durations challenges psycholinguistic immediacy-of-processing and eye-mind assumptions. Most of the time the mind processes several words in parallel at different perceptual and cognitive levels. Eye movements can help to unravel these processes.

Adolescent↗
PubMed2006

Mindfulness meditation and substance use in an incarcerated population.

Despite the availability of various substance abuse treatments, alcohol and drug misuse and related negative consequences remain prevalent. Vipassana meditation (VM), a Buddhist mindfulness-based practice, provides an alternative for individuals who do not wish to attend or have not succeeded with traditional addiction treatments. In this study, the authors evaluated the effectiveness of a VM course on substance use and psychosocial outcomes in an incarcerated population. Results indicate that after release from jail, participants in the VM course, as compared with those in a treatment-as-usual control condition, showed significant reductions in alcohol, marijuana, and crack cocaine use. VM participants showed decreases in alcohol-related problems and psychiatric symptoms as well as increases in positive psychosocial outcomes. The utility of mindfulness-based treatments for substance use is discussed.

Adult↗
PubMed1999

George A. Miller, language, and the computer metaphor of mind.

This article asks why the analogy between humans and computers was understood by cognitive psychologists to mean that "minds exist and that it is our job as psychologists to study them". Earlier psychologists, such as Clark Hull, used analogies between humans and complex machines such as telephone switchboards to defend a rigorous behaviorism. How, then, did the computer metaphor of mind come to be seen as the root concept underlying a paradigm shift from behaviorism to cognitivism? To answer this question, this article examines the life and work of George A. Miller, one of the most prominent of a generation of psychologists who began their careers as "good behaviorists" but later came to embrace cognitivism.

Behaviorism↗
PubMed1999

Executive function and theory of mind performance of boys with fragile-X syndrome.

Fragile-X syndrome is the most common genetically inherited cause of intellectual disability. People with this syndrome typically show a behavioural profile of abnormal social interactions which are similar in some ways to those seen in people with autism. The present study investigated whether cognitive processes which have been hypothesized to underlie social abnormalities associated with autism are also impaired in boys with fragile-X syndrome without autistic spectrum disorders. Eight boys with fragile-X syndrome and eight with intellectual disability of unknown aetiology, matched on receptive verbal ability, age and with no diagnosis of autism, were tested on a battery of theory of mind and executive function tasks. Significantly more boys with fragile-X syndrome failed the simplest theory of mind task. However, this could be attributed to overall level of ability rather than group membership. No differences were found between the groups on any other measures used. A proportion of both groups failed first- and second-order false belief tasks. The performance of both groups on the executive function measure was at the floor of the test. At low levels of overall ability, the performance of boys with fragile-X syndrome and boys with intellectual disability of unknown aetiology may be more similar than they are different The implication of this result for clinical interventions is discussed.

Adolescent↗
PubMed2000

The 'consciousness primitive': a competence model of mind and will.

Questions about mind and will are usually raised as though mind and will are either present or absent. Here, a view is presented to suggest that they are only a particular instantiation of a 'consciousness primitive', present in lower animals as well as in primitive portions of the human brain. Physiological variables, drugs and transmitters alter it in order to produce discontinuous products, such as learning, motivation, emotions etc., which are usually studied by performance models as though they are distinctive functions of the brain.

Animals↗
PubMed1995

Vision comes to mind.

An overview is presented in which visual awareness is regarded as the epitome of the general mind-body problem. An experimental solution of the problem is considered first, followed by a philosophical outlook. It is argued that the scientific approach may eventually discover the neural correlate of visual awareness, but visual perceptions, even simple qualia like 'brightness' or 'color', occur in the mind of a conscious observer and are not reducible to observable activity of a specific set of neurons in the brain.

Awareness↗
PubMed2003

Dynamic structures in Escherichia coli: spontaneous formation of MinE rings and MinD polar zones.

In Escherichia coli, division site selection is regulated in part by the Min-protein system. Oscillations of the Min proteins from pole to pole every approximately 40 sec have been revealed by in vivo studies of GFP fusions. The dynamic oscillatory structures produced by the Min proteins, including a ring of MinE protein, compact polar zones of MinD, and zebra-striped oscillations in filamentous cells, remain unexplained. We show that the Min oscillations, including mutant phenotypes, can be accounted for by in vitro-observed interactions involving MinD and MinE, with a crucial role played by the rate of nucleotide exchange. Recent discoveries suggest that protein oscillations may play a general role in proper chromosome and plasmid partitioning.

Adenosine Triphosphatases↗
PubMed2002

Differential activities of murine single minded 1 (SIM1) and SIM2 on a hypoxic response element. Cross-talk between basic helix-loop-helix/per-Arnt-Sim homology transcription factors.

The basic helix-loop-helix/Per-Arnt-Sim homology (bHLH/PAS) protein family comprises a group of transcriptional regulators that often respond to a variety of developmental and environmental stimuli. Two murine members of this family, Single Minded 1 (SIM1) and Single Minded 2 (SIM2), are essential for postnatal survival but differ from other prototypical family members such as the dioxin receptor (DR) and hypoxia-inducible factors, in that they behave as transcriptional repressors in mammalian one-hybrid experiments and have yet to be ascribed a regulating signal. In cell lines engineered to stably express SIM1 and SIM2, we show that both are nuclear proteins that constitutively complex with the general bHLH/PAS partner factor, ARNT. We report that the murine SIM factors, in combination with ARNT, attenuate transcription from the hypoxia-inducible erythropoietin (EPO) enhancer during hypoxia. Such cross-talk between coexpressed bHLH/PAS factors can occur through competition for ARNT, which we find evident in SIM repression of DR-induced transcription from a xenobiotic response element reporter gene. However, SIM1/ARNT, but not SIM2/ARNT, can activate transcription from the EPO enhancer at normoxia, implying that the SIM proteins have the ability to bind hypoxia response elements and affect either activation or repression of transcription. This notion is supported by co-immunoprecipitation of EPO enhancer sequences with the SIM2 protein. SIM protein levels decrease with hypoxia treatment in our stable cell lines, although levels of the transcripts encoding SIM1 and SIM2 and the approximately 2-h half-lives of each protein are unchanged during hypoxia. Inhibition of protein synthesis, known to occur in cells during hypoxic stress in order to decrease ATP utilization, appears to account for the fall in SIM levels. Our data suggest the existence of a hypoxic switch mechanism in cells that coexpress hypoxia-inducible factor and SIM proteins, where up-regulation and activation of hypoxia-inducible factor-1alpha is concomitant with attenuation of SIM activities.

Adenosine Triphosphate↗
PubMed2006

Mind styles and the hypnotic induction profile: measure and match to enhance medical treatment.

Modern medical technology and economic impositions tend to dehumanize the medical patient. This paper describes a targeted use of the hypnotic modality for relationship building, symptom management, and restoring a sense of self to the patient. To humanize medical care one patient at a time, examples are given for the use of the Hypnotic Induction Profile, the Eye Roll sign and AOD (Apollonian-Odyssean-Dionysian) Mind-Style Questionnaire as a basis for choosing bio-psycho-social treatment strategies. This trio of assessments can be used together, in approximately 10 to 15 minutes, or separately, if treatment decisions need to be made in a few minutes or less. The hypothesis presented is that matching treatment strategies, with or without formal hypnosis, to hypnotic capacity and mind style can increase respectful care and efficacy of treatment outcome. Clinical examples will illustrate this approach to enhance recovery, morale, and maximize patients' ability to become active partners on their own behalf.

Adult↗
PubMed2000

Children's level of participation in a false-belief task, age, and theory of mind.

The hide-and-seek deception task of M. Chandler, A. S. Fritz, and S. Hala (1989) was modified to provide a more precise estimate of the age at which children acquire and manifest a theory of mind. Two characters (good, bad) and two levels of involvement (pretend play, sociodramatic play) were incorporated into the research design, so that children's representational understanding of deception could be studied. Two-, 3-, and 4-year-olds (N = 90) participated in the study. The results indicated that 4-year-olds used significantly more deceptive strategies than 2- and 3-year-olds in pretend play and in sociodramatic play. There was no difference between 2- and 3-year-olds in the use of deceptive strategies; they used significantly fewer strategies in the bad roles than in the good roles. No significant differences were found in the 3 age groups' performances in the good-character tasks. The reality-masking hypothesis (P. Mitchell, 1994) accounts for the differences in performances on that task; thus, children younger than 4 years old do seem to have a theory of mind.

Child Behavior↗
PubMed1995

Implications of mind-body theory for integration in psychiatry.

Recently, several authors have called for an integration of philosophy, psychology, and neuroscience regarding the mind-brain problem (Brothers 1989; Cooper 1985; Hundert 1989). In this essay I review two philosophical theories of mind that lead to very different conclusions regarding integration. Reductionist materialism is the theory that currently has the widest acceptance. Unity theory, a less familiar theory, may present the most plausible alternative to reductionism currently available. Numerous examples from the psychiatric literature are used to illustrate the challenge that faces each of these theories. Critical evaluation of how they meet the challenge, particularly in accounting for apparent psychosomatic causation, shows the strengths and weaknesses of each theory, particularly regarding their clinical utility in psychiatry.

Brain↗
PubMed2006

What about theory of mind after severe brain injury?

BACKGROUND: Behavioural changes are often reported after a severe traumatic brain injury (TBI). These changes are usually a greater burden for relatives than physical or cognitive impairments. This study investigated social cognition in TBI patients using two theory of mind (TOM) tasks. METHOD: The performances of 17 patients with severe TBI and 17 matched controls were compared on two tasks designed to investigate understanding of other people's mental states: The 'Reading the Mind in the Eyes' test (RME) and the 'Character Intention Task' (CIT). TBI patients and controls were also given several executive function tasks. RESULTS: Compared to healthy controls, patients were impaired in most executive tests and in both TOM tasks. No relationship was found between TOM and executive measures. This is consistent with Rowe's position, who suggested an independence between executive functioning and social cognition. These data suggest that TBI patients may have specific social intelligence disturbances. CONCLUSION: Future work should employ additional tests of TOM and behavioural ratings and recruit more patients in order to complete analysis.

Adolescent↗
PubMed2006

Elaboration of a rehabilitation method based on a pathogenetic hypothesis of "theory of mind" impairment in schizophrenia.

"Theory of mind" skills have repeatedly been shown to be impaired in schizophrenic patients. The purpose of this paper is to develop a therapeutic intervention targeting schizophrenic patients' abilities to attribute mental states to others. This preliminary study tried to test the hypothesis that this kind of intervention should improve patients' communication abilities; we also wondered if this would have a positive impact on their more general psychopathology. Eight chronic schizophrenic patients were asked to analyse video scenes (showing interactions between two or more persons), with particular attention being paid to the characters' mental states. Their clinical assessments (general clinical symptoms, communication, and the ability to attribute intentions to others, rated before and after two training sessions, over a one-week period) were compared with those of a control group of six chronic schizophrenic patients. The results support our hypothesis of a possible improvement of patients' communication disorders and an improvement of their abilities to attribute intentions to others. The more general psychopathology ratings, however, remained unchanged. Although these results need further development and confirmation, they suggest a possible promising approach for psychosocial rehabilitation therapies based on "theory of mind" skills.

Adult↗
PubMed2003

Attention, theory of mind, and causal attributions in people with persecutory delusions: A preliminary investigation.

INTRODUCTION: Abnormal attributions and deficits in theory of mind (ToM) skills have been implicated in paranoid delusions. Bentall and Kinderman (1998) have proposed that ToM deficits tend to prevent individuals from making situational attributions and therefore increase the probability of external-personal attributions, which in turn lead to paranoid beliefs. They further suggested that more fundamental information-processing deficits, by affecting theory of mind skills, increase the probability of paranoid attributions. METHODS: Relationships between attention, ToM and attributions were assessed in acute and remitted paranoid patients and normal controls. Participants performed the digit span with distraction task, false belief and deception tasks, and a measure of attributional style. RESULTS: Compared to the controls, acute patients were distractible, performed poorly on ToM, and made more attributions that were judged external-personal by independent raters (but not as judged by self-ratings). ToM scores predicted the number of external-personal attributions as expected, but the effect of distraction on ToM was equivocal. CONCLUSIONS: Preliminary support was found for the hypotheses, but further studies are required using a range of executive, attentional, ToM, and attribution measures.

Journal Article↗
PubMed2001

The challenge of treatment for clients with dismissing states of mind.

Thirty-four clients with serious psychopathological disorders were videotaped solving interpersonal problems with significant others or with case managers. Differential reliance on dismissing states of mind was examined in relation to behavioral ratings of clients during the interactions, and in relation to changes in clients' and partners' reports of feelings. Clients who relied more on dismissing strategies showed greater rejection of significant others, but not of case managers, compared with clients who relied more on preoccupied strategies. The partners of dismissing clients reported greater sadness following problem-solving interactions than the partners of preoccupied clients. Clients who relied more on dismissing strategies spent less time on task when interacting with their case managers than clients who relied more on preoccupied strategies, and reported more confusion following these interactions. These findings suggest that treatment is likely to provide a particularly challenging context for adults with dismissing states of mind.

Adult↗