The near-death experience: Private or public?

This editorial contrasts the private, personal near-death experience with the public concept of the experience, and finds important messages for humanity that are common to both.     

Response to “The luminous experience and the scientific method” by Oliver Nichelson

Acknowledging the cultural shaping of near-death experiences makes possible a deeper and more sophisticated appreciation of their meaning and validity.     

Right or Wrong? The Brain's Fast Response to Morally Objectionable Statements

ABSTRACT— How does the brain respond to statements that clash with a person's value system? We recorded event-related brain potentials while respondents from contrasting political-ethical backgrounds completed an attitude survey on drugs, medical ethics, social conduct, and other issues. Our results show that value-based disagreement is unlocked by language extremely rapidly, within 200 to 250 ms after the first word that indicates a clash with the reader's value system (e.g., "I think euthanasia is an acceptable/unacceptable…"). Furthermore, strong disagreement rapidly influences the ongoing analysis of meaning, which indicates that even very early processes in language comprehension are sensitive to a person's value system. Our results testify to rapid reciprocal links between neural systems for language and for valuation.     

The instinct to teach: Altruism or aggression?

In this paper, the term ‘teaching’ means activities which induce a specific change in the behavior of a member of the same species, and are adapted until the pupil reaches a certain standard of performance. Teaching in this sense is confined to man, with one group of exceptions. Other forms of social learning are observed among the mammals and even the buds. The most important is imitation, or learning by observation. Teaching by other species always involves punishment, and always leads to the separation or spacing out of individuals. It occurs 1) at weaning, 2) in maintaining status within a group, and 3) in territorial behavior. In each case an animal is punished for approaching another. Man is distinguished by using punishment not only as a deterrent but also in the teaching of skills. Such conduct is sometimes called aggressive. To give it this name is to put teaching (by punishment) in the same class as socially undesirable acts. Such a usage obscures questions that can profitably be asked. Children learn much by imitation, and are encouraged to do so. But teaching of skills (usually not by punishment) and of customs seems to be universal in human communities, both primitive and advanced. To say that there is an instinct or drive to teach adds, however, nothing to this statement. Some teaching, especially the formal process in schools, is by adults and is confined to particular societies. But, in addition, children teach younger children, sometimes evidently without prompting by elders. This is one aspect of the nurturant behavior which is perhaps a feature of all societies. Some traditions seem to be maintained solely by children. Such conduct is probably at times altruistic in the traditional sense of the term. “Altruism” in biological writings today has, however, a different meaning, and is therefore becoming a source of confusion. In many communities, both primitive and advanced, nurturant behavior and the teaching of young children by older children are reported to be more prominent among girls than among boys. Teaching, considered as a type of behavior, has been neglected as a subject of study. It would repay multidisciplinary investigation, especially as it appears in the conduct of children.     

Mass Response to the Lewinsky Scandal: Motivated Reasoning or BayesianUpdating?

This study attempts to account for the vastly different trajectories taken by mass andelite opinion in the wake of the Lewinsky affair. Data from a panel study, collected before andjust after the scandal broke, suggest that Clinton's prior popularity indelibly colored massresponse to the scandal, thereby constraining citizens' reactions. As would be predicted bytheories of "motivated reasoning," the influence of various considerations (like thecredibility and importance of the allegations) on reactions to the scandal was conditional uponprior affect for the president. Such findings are difficult to accommodate within the more rational"Bayesian updating" perspective. These data shed light on mass response to theLewinsky scandal in particular and citizen reaction to presidential behavior more generally, aswell as on the cognitive mechanisms that facilitate motivated reasoning in candidate evaluation.     

The humbling experience of treating obesity: Should we persist or desist?

Obesity has humbled one research group after another. Some of the field’s brightest scientists have attempted to subdue obesity by treating it, but now, after decades of work, treatment gains remain small, maintenance is poor, and the field produces effects far below what patients want or expect. This can be explained by strong biological and environmental forces that oppose weight loss and foster regain. Attempts to improve treatment must continue, but with recognition that treatment is a clinical measure and will not affect prevalence (because treatments are too expensive to be used broadly). Policy change and prevention will be necessary to improve public health.     

“To Name or Not to Name: That is the Question”: The Role of Response Inhibition in Reading

Reading is a complex process that includes the integration of information about letters (graphemes) and sounds (phonemes). In many circumstances, such as noisy environments, response inhibition is an additional factor that plays a marked role in successful oral reading. Response inhibition can take the form of task relevant inhibition (i.e., foils in a go/no-go task) and task irrelevant inhibition (i.e., distractor information). Here we investigated task relevant inhibition by having participants (N?=?30) take part in two tasks: go/no-go naming with nonwords foils (GNG-NW) and go/no-go naming with pseudohomophones foils (GNG-PH). Also, we investigated the addition of task irrelevant inhibition by having participants (N?=?28) take part in two tasks: GNG-NW?+?information masking and GNG-PH?+?information masking. We provide evidence that during a task relevant inhibition task, sub-word sound level information can be successfully inhibited, as evidenced by comparable response times for regular words and exception words, provided the foils do not contain familiar sound-based information (GNG-NW). In contrast, regular words were read aloud faster than exception words in a GNG-PH task, indicating that sub-word level interference occurs when the foils contain familiar sound-based information. The addition of task irrelevant inhibition (i.e., information masking at the phoneme level), served to increase response time overall, but did not impact the pattern of response times between regular words and exception words. Together these findings provide useful information regarding the role of response inhibition in word recognition and may be useful in computational models of word recognition and future work may benefit from accounting for the effects outlined in this paper.