Saving Character

In his recent book Lack of Character, Jon Doris argues that people typically lack character (understood in a particular way). Such a claim, if correct, would have devastating implications for moral philosophy and for various human moral projects (e.g. character development). I seek to defend character against Doris's challenging attack. To accomplish this, I draw on Socrates, Aristotle, and Kant to identify some of the central components of virtuous character. Next, I examine in detail some of the central experiments in social psychology upon which Doris's argument is based. I argue that, properly understood, such experiments reveal differences in the characters of their subjects, not that their subjects lack character altogether. I conclude with some reflections on the significance of such experiments and the importance of character.     

Rats with dorsal hippocampal lesions do react to new stimuli but not to spatial changes of known stimuli

The effect of visual distracting stimuli upon the straight alleyway performance of dorsal hippocampectomized Wistar rats was investigated. In comparison with control animals it was observed that dorsal hippocampectomized animals (1) ambulated more during the preexposure phase, (2) acquired at the same rate a running response for food (training phase), (3) reacted similarly to a new visual stimulus (black cards) presented in a sector of the alleyway, and (4) habituated to successive presentations of that stimulus in the same place. (5) However, dorsal hippocampectomized rats did not react, unlike the controls, to the presentation of the same stimulus in another place of the alleyway but (6) reacted to the visual pattern change of the stimulus (now black/white check cards) in the same place. These results indicate that under certain experimental conditions, hippocampus-lesioned animals are capable of interrupting a running response for food in order to explore a new conspicuously located stimulus, habituate to repeated presentations of that stimulus, and to react to a new pattern of visual stimulation. They suggest that hippocampectomized rats do not lose the capacity to react to a new stimulus; the disruption seems to be related to the spatial context of stimulus presentation, supporting a spatial mapping hypothesis of hippocampal function.     

Urban design as a research strategy

For a long time, large-scale urbanexpansion has dominated the nature of the urban environment. In our times however, planners are often dealing with maintenance, modification, and redevelopment of urban situations that alreadyexist. Which are the implications of this fundamental change for theories and strategies of urban planning and design?     

An 8-year study of multiple influences on drug use and drug use consequences

Multiple long-term influences on young adult drug use and abuse were tested within an interactionist perspective using latent-variable causal models. Intrapersonal influences included early drug use and social conformity. Proximal interpersonal influences were captured by perceived peer drug use, perceived adult drug use, and family disruption. More distal influences included perceptions of community approval or disapproval for drug use. Outcome measures included not only use of drugs but also disruptive drug use (getting high at work or school) and self-admitted problems with drugs. Data were obtained from 654 participants at three equally spaced time points during an 8-year longitudinal study that began when the subjects were in junior high school. Confirmatory factor analyses were used to test the adequacy of the hypothesized measurement model. Subsequently, a structural equation, or path model, was used to examine the across-time relations among the latent and manifest variables. Stability effects were found for all repeatedly measured latent variables across the 4-year spans. Social conformity strongly influenced other latent variables across time. Early drug use and perceived adult drug use were prominent predictors of young adult drug use, whereas prior drug use predicted disruptive drug use and a lack of social conformity predicted problems with drug use. Early adult alcohol use predicted later disruptive drug use and problems with drug use. Perceived adult drug use generally influenced later alcohol use, whereas peer drug use influenced later cannabis and hard-drug use. Implications for prevention and treatment using a multicausal interactionist perspective are discussed.     

A group approach to guilt in depressive and suicidal patients

Summary A psychiatrist and a pastoral psychologist considered the problem of guilt as a source of alienation in depressed and suicidal patients by using a four-dimensional approach in a group psychotherapy setting. This involved functioning as cotherapists representing theological and psychiatric orientations and utilizing both didactic and insight-oriented approaches to elicit and explore meaningful material related to guilt feelings. With a number of exceptions, the patients did not appear to make a sharp distinction between the cotherapists' roles. The didactic openings on guilt served to provoke ready discussion of personal conflicts involving guilt feelings, especially in the silent patients who were not easily drawn into spontaneous discussion.     

Properties of changing patterns evoking visually perceived oscillation

The aim of this study was to identify some properties of changing proximal stimulus patterns which favor perceived oscillation. By using artificially generated stimulus patterns, it was found that the amount of changes associated with a certain direction of rotation should be small and the rate of these changes low if perceived oscillation was to appear. Great or swift changes were utilized by the visual system to determine perceived direction of rotation, and oscillation was not then reported. It was further found that patterns lacking straight edges perpendicular to the axis of rotation, or with this axis displaced from the middle of the pattern, and patterns with a gradient of texture density were perceived to oscillate more than similar patterns without these properties. Perceived oscillation of ellipses was discussed, and it was concluded that perceived oscillation was a consequence of perceived orientation, which is determined by stimulus properties.