Self-images and related autobiographical memories in schizophrenia

Schizophrenia is a severe mental illness, which affects sense of identity. While the ability to have a coherent vision of the self (i.e., self-images) relies partly on its reciprocal relationships with autobiographical memories, little is known about how memories ground "self-images" in schizophrenia. Twenty-five patients with schizophrenia and 25 controls were asked to give six autobiographical memories related to four self-statements they considered essential for defining their identity. Results showed that patients' self-images were more passive than those of controls. Autobiographical memories underlying self-images were less thematically linked to these self-images in patients. We also found evidence of a weakened sense of self and a deficient organization of autobiographical memories grounding the self in schizophrenia. These abnormalities may account for the poor cohesiveness of the self in schizophrenia.     

What a nostril knows: olfactory nerve-evoked AMPA responses increase while NMDA responses decrease at 24-h post-training for lateralized odor preference memory in neonate rat

Increased AMPA signaling is proposed to mediate long-term memory. Rat neonates acquire odor preferences in a single olfactory bulb if one nostril is occluded at training. Memory testing here confirmed that only trained bulbs support increased odor preference at 24 h. Olfactory nerve field potentials were tested at 24 h in slices from trained and untrained bulbs. A larger AMPA component and a smaller NMDA component characterized responses in the bulb receiving odor preference training. Field potential changes were not seen in a bulbar region separate from the lateral odor-encoding area. These results support models in which memory is mediated by increased olfactory nerve-mitral cell AMPA signaling, and memory stability is promoted by decreased NMDA-mediated signaling.     

Characterizing variation in the functional connectome: promise and pitfalls

The functional MRI (fMRI) community has zealously embraced resting state or intrinsic functional connectivity approaches to mapping brain organization. Having demonstrated their utility for charting the large-scale functional architecture of the brain, the field is now leveraging task-independent methods for the investigation of phenotypic variation and the identification of biomarkers for clinical conditions. Enthusiasm aside, questions regarding the significance and validity of intrinsic brain phenomena remain. Here, we discuss these challenges and outline current developments that, in moving the field toward discovery science, permit a shift from cartography toward a mechanistic understanding of the neural bases of variation in cognition, emotion and behavior.     

Linking Adult Attachment Styles to Relationship Satisfaction in Hong Kong and the United States: The Mediating Role of Personal and Structural Commitment

Maintaining a satisfying heterosexual relationship is important to many individuals?? happiness and physical health. Evolutionary theories on the formation of relationships suggest that adult attachment and relationship commitment are universal mechanisms for securing and maintaining such mating relationships. This study sought to understand how these two mechanisms may link to each other and how they in turn contribute to relationship satisfaction with one??s current partner in Hong Kong Chinese and American cultures. Similarities in the model for relationship satisfaction were found among young dating couples in the United States and Hong Kong. Specifically, attachment anxiety was positively linked to structural commitment, whereas attachment avoidance was negatively related to personal commitment. Both dimensions of attachment (anxiety and avoidance) and both components of commitment (personal and structural) were found to predict current relationship satisfaction significantly and equivalently across cultures, with the pathway from attachment avoidance to current relationship satisfaction similarly mediated by personal commitment in both cultural groups. These results were interpreted in terms of a probable universal logic informing the interpersonal dynamics involving attachment and relationship commitment.     

The development of a smoking-specific locus of control scale

Abstract

A 32-item questionnaire was designed to measure multidimensional locus of control beliefs specifically about giving up smoking (SLC Scale), and administered along with the Multidimensional Health Locus of Control Scale (MHLC) and a short smoking information questionnaire to 211 smokers. Psychometric analyses of the SLC scales included a series of repeated factor and reliability analyses which resulted in a final three-factor solution, containing 11 of the original SLC items. The three factors represented the following types of locus of control for smoking: a combined Internal-Chance factor, a Significant Others factor, and a Powerful Others factor with Chronbach's alpha coefficients of internal reliability of 0.63, 0.56 and 0.55 respectively. Analyses relating to the reliability and validity of the SLC scale are presented and discussed. As expected the SLC correlated more sensibly and significantly with subjects' reported behaviour and intentions regarding giving up smoking than did the MHLC scales.     

The logic sense: exploring the role of executive functioning in belief and logic-based judgments

Abstract

The Default Interventionist account suggests that by default, we often generate belief-based responses when reasoning and find it difficult to draw the logical inference. Recent research, however, shows that in some instances belief judgments take longer, are more prone to error and are more affected by cognitive load. One interpretation is that some logical inferences are available automatically and require intervention in order to respond according to beliefs. In two experiments, we investigate the effortful nature of belief judgments and the automaticity of logical inferences by increasing the inhibitory demands of the task. Participants were instructed to judge conclusion validity, believability and either font colour or font style, to increase the number of competing responses. Results showed that conflict more strongly affects judgments of believability than validity and when inhibitory demands are increased, the validity of an argument impacts more on belief judgments. These findings align with the new Parallel Processing model of belief bias.     

Trespass, Animals and Democratic Engagement

Since at least the 1970s, one of the stock standard tools in the animal protection movement’s arsenal has been illegal entry into factory farms and animal research facilities. This activity has been followed by the publication of images and footage captured inside those otherwise socially invisible places. This activity presents a conundrum: trespass is illegal and it is an apparent violation of private property rights. In this paper we argue that trespass onto private property can be justified as an act of civil disobedience. We look at one particular type of justification: the use of information gathered through trespass in public policy formation. We then animate this analysis both with an historical overview of the effects of sharing information about animal agriculture, and with a specific case study of trespass undertaken recently.     

Influence of Socio-Demographic Factors on SRAVEN Performance

This exploratory study aimed to investigate the influence of specific socio-demographic variables on a computerized test of non-verbal neuropsychological performance. Six hundred and thirty South African first year students were assessed using the University of Pennsylvania Computerized Neuropsychological Test Battery (PennCNP). Fluid intelligence was measured by a computerized version of the Raven's Progressive Matrices (SRAVENS). Analysis of variance indicated that gender, home language, quality of schooling, language of schooling and paternal education influenced performance on the SRAVEN. Stepwise multiple regression evidenced the importance of language, paternal education and high school language on SRAVENS responses. The assumption of non-verbal test scores as being independent of socio-demographic factors needs to be revisited as such independence cannot be maintained in light of such evidence.     

Becoming and Un-becoming: the theory and practice of Anatta

Notions of kinship within systems of rebirth challenge the dominant Euro-American view of kinship as fundamentally biology-centred. By reading across the domains of religion and kinship in Burma, this article will show that what substance is, as well as does, is not self-evident, and thereby reorient the analysis of substance. Furthermore, it will show that it is in the movement of spiritual essences, rather than biogenetic items, that the continuity of each living being’s existence is sought in Burma. Thus, kinship relations are shaped, not necessarily by biology, but by religious and spiritual views of existence.     

Death Anxiety Among University Students in Northern Ireland and Canada

Male and female university students in Northern Ireland (n = 315) and Canada (n = 255) completed Templer's Death Anxiety Scale (DAS) and the Taylor Manifest Anxiety Scale (MAS). Results of a discriminant function analysis indicated that Canadian students showed more concern about being afraid to die and thoughts of death, while students from the North of Ireland were more concerned about getting cancer, the shortness of life, and the viewing of a corpse. However, total DAS scores failed to show significance between group differences (p >.10). Correlations between DAS and MAS total scores were r =.34 for Northern Ireland and r =.31 for Canadian students.