Aesthetic phenomena as supernormal stimuli: the case of eye, lip, and lower-face size and roundness in artistic portraits

In the first study, eye and lip size and roundness, and lower-face roundness were compared between a control sample of 289 photographic portraits and an experimental sample of 776 artistic portraits covering the whole period of the history of art. Results showed that eye roundness, lip roundness, eye height, eye width, and lip height were significantly enhanced in artistic portraits compared to photographic ones. Lip width and lower-face roundness, on the contrary, were less prominent in artistic than in photographic portraits. In a second study, forty-two art academy students were requested to draw two self-portraits, one with a mirror and one without (from memory). Eye, lip, and lower-face roundness in artistic self-portraits was compared to the same features derived from photographic portraits of the participants. The results obtained confirmed those found in the first study. Eye and lip size and roundness were greater in artistic self-portraits, while lower-face roundness was significantly reduced. The same degree of modification was found also when a mirror was available to the subjects. In a third study the effect of lower-face roundness on the perception of attractiveness was assessed: fifty-three participants had to adjust the face width of 24 photographic portraits in order to achieve the highest level of attractiveness. Participants contracted the face width by a mean value of 5.26%, showing a preference for a reduced lower-face roundness. All results are discussed in terms of the importance of the 'supernormalisation' process as a means of assigning aesthetic value to perceptual stimuli.     

Parenting Stress and Childhood Psychopathology: An Examination of Specificity to Internalizing and Externalizing Symptoms

The purpose of this study was to examine if specificity exists between three factors of parenting stress (i.e., parental distress, parent–child (PC) dysfunctional interactions, and difficult child) and childhood internalizing and externalizing symptoms. The incremental validity of parenting stress beyond parental psychopathology was also examined. The sample was drawn from families of children aged 5–17 (N = 300), who sought treatment for their child from a community mental health clinic. Results indicated that the PC dysfunctional interactions factor showed specificity to internalizing symptoms when controlling for parental psychopathology. Parental distress did not show specificity or incremental validity and the difficult child factor was associated with both internalizing and externalizing symptoms when controlling for parental psychopathology. The influence of age, gender, and ethnicity on these associations is also presented, and findings are discussed in terms of how the results add to understanding the specific relations between parenting stress and child and adolescent symptoms.     

Volunteers Versus Non-Volunteers��Which Group Cheats More, and Holds More lax Attitudes About Cheating?

Academic dishonesty has been a frequent topic of research and discussion. In this article, we examine the differences between student volunteers and student non-volunteers in terms of their attitudes towards academic dishonesty as well as their cheating behaviors. We found that student volunteers held more serious attitudes towards cheating and academic dishonesty than did student non-volunteers; however there were not many significant differences between student volunteers and student non-volunteers when it came to cheating behaviors. We finally provide some suggestions for future research in the topic of academic dishonesty.     

Is there a logical slippery slope from voluntary to nonvoluntary euthanasia?

John Keown has constructed a logical slippery slope argument from voluntary euthanasia (VAE) to nonvoluntary euthanasia (NVAE). VAE if justified implies that death can be of overall benefit, in which case it should also be facilitated in those who cannot consent (NVAE). Hallvard Lillehammer asserts that Keown's argument rests on a fallacy. However, pace Lillehammer, it can be restated to escape this fallacy. Its validity is confirmed by applying to VAE some well-established general principles of medical decision making. Thus, either VAE and NVAE must be accepted together or, if NVAE is regarded as unacceptable, VAE should also be rejected.     

Peers increase adolescent risk taking by enhancing activity in the brain's reward circuitry

The presence of peers increases risk taking among adolescents but not adults. We posited that the presence of peers may promote adolescent risk taking by sensitizing brain regions associated with the anticipation of potential rewards. Using fMRI, we measured brain activity in adolescents, young adults, and adults as they made decisions in a simulated driving task. Participants completed one task block while alone, and one block while their performance was observed by peers in an adjacent room. During peer observation blocks, adolescents selectively demonstrated greater activation in reward-related brain regions, including the ventral striatum and orbitofrontal cortex, and activity in these regions predicted subsequent risk taking. Brain areas associated with cognitive control were less strongly recruited by adolescents than adults, but activity in the cognitive control system did not vary with social context. Results suggest that the presence of peers increases adolescent risk taking by heightening sensitivity to the potential reward value of risky decisions.     

The activation of alternative response candidates: When do doubts kick in?

In the current study, we investigated at which moment during visual object categorization alternative interpretations are most strongly activated. According to an early activation account, we are uncertain about how to interpret the visual information early in the categorization process. This uncertainty will vanish over time and therefore, the number of possible response candidates decreases over time. According to a late activation account, the visual information is categorized quickly, but after extensive viewing alternative interpretations become more strongly activated. Therefore, the number of possible response candidates increases over time. To increase perceptual uncertainty we used morphed figures composed of a dominant and nondominant object. The similarity rating between morphed figures and their nondominant object was taken as indicator for the activation of the nondominant response candidate: high similarity indicates that the nondominant object is relatively strongly activated as an alternative response candidate. Presentation times were varied in order to distinguish between the early and late activation account. Using a Bayesian model selection approach, we found support for the late activation account, but not for the early activation account. It thus seems that in a late stage of the categorization process the influence of the nondominant response candidate is strongest.     

Notes on the theory of variable binding term operators

The general theory of variable binding term operators is an interesting recent development in logic. It opens up a rich class of semantic and model-theoretic problems. In this paper we survey the recent literature on the topic, and offer some remarks on its significances and on its connections with other branches of mathematical logic.     

Emotional Disturbance in Children with Peculiar Given Names

When a person experiences feelings of low self-acceptance and further attributes this low self-acceptance to the average person, a distortion in perception is said to exist. Harry Stack Sullivan termed this distortion “parataxic.” The present study attempted to find evidence of such a distortion. Once a person was identified as a “distorter” nine factors of perceived parenting were revealed by the subjects. These nine factors examined were nurturance, instrumental companionship, predictability of standards, affective punishment, achievement pressure, deprivation of privileges, principled discipline, protectiveness, and physical punishment. Distortion was found to be significantly related to low nurturance, less instrumental companionship, excessive protectiveness, greater achievement pressure, and excessive punishment by parents as perceived by the 220 subjects involved.