Amnesic effects of diazepam: "Drug dependence" explained by state-dependent learning

An experimental study on 12 healthy volunteers showed that an amnesic effect of a therapeutic dose of diazepam (10 mg 3 times a day) may be explained by a theory of state-dependent learning. Asymmetric state-dependence was demonstrated by visually as well as verbally learned material, but in the latter case there was also evidence of an anticonsolidating effect upon learning. The findings are related to drug dependence, and it is suggested that therapeutic gains obtained during long-term diazepam treatment may not transfer to the no-drug state.     

KAUFMAN'S RESPONSE TO LUCRETIUS

Abstract: The symmetry argument is an objection to the ‘deprivation approach’– the account of badness favored by nearly all philosophers who take death to be bad for the one who dies. Frederik Kaufman's recent response to the symmetry argument is a development of Thomas Nagel's suggestion that we could not have come into existence substantially earlier than we in fact did. In this paper, I aim to show that Kaufman's suggestion fails. I also consider several possible modifications of his theory, and argue that they are unsuccessful as well.     

Rate-dependent effect of methylphenidate(Ritalin) on fixed-interval behavior in rats

The behavioral effects of 1.0–18.0 mg/kg methylphenidate (Ritalin) injections on leverpressing reinforced under a fixed-interval (FI) 60-sec schedule for water in Mäll-Wistar rats were studied. Effets of methylphenidate were dose-dependent: it increased response rates early in the FI 60-sec adn reduced the higher response rates later in the FI, without changing the average response rate. There was no systematic effect of the drug upon locomotor activity. The local response-rate change during the FI 60-sec are in accord with the rate-dependency hypothesis (Dews, 1958). the bidirectional response-rate changes withing the FI explain why methylphenidate did not affect the average response rate.     

Hemispheric dominance, dichotic listening and lateral eye movement behaviour

Abstract.— Because lateral corrective eye movements have been shown to influence the results of the dichotic listening test, it was supposed that differences in the scoring on this test by right and left eye movers could be found. Only in the entire group of 22 right handed subjects and in the subgroup of 8 right eye movers a significant right ear superiority was found. In the left mover group (14 subjects) right ear superiority in dichotic listening was not significant. These results are interpreted in terms of possible interhemispheric differences in the level of "activity", facilitating or hampering perception of verbal material in the contralateral ear.     

Differentiating between ADHD sub-types on CCPT measures of sustained attention and vigilance

The aim of the study was to test whether sustained attention and vigilance, often considered as the same phenomenon, dissociate on the Conners' Continuous Performance Test, and whether subjects with ADHD-Inattentive type and ADHD-Combined type differ with regard to these measures. Sixty-five healthy controls and 67 subjects with ADHD between 9 and 16 years of age participated in the study. The ADHD-I group performed below control children on Hit Reaction Time Block Change, considered to measure sustained attention and the ADHD-C group scored below controls on Hit Reaction Time Inter-Stimulus-Interval, considered to measure vigilance. Comparing the two clinical groups showed a test by group interaction, with ADHD-I subjects performing below ADHD-C subjects with regard to sustained attention and above ADHD-C subjects with regard to vigilance. Sustained attention on the CCPT correlated specifically with parent and teacher ratings of inattention, but not with ratings of hyperactivity-impulsivity, while vigilance correlated with all symptom ratings.     

Art as Alchemy: The Bildobjekt Interpretation of Pictorial Illusion

I argue that if we read E. H. Gombrich's Art and Illusion with the charity that it deserves, we will find a much subtler theory of depiction than the illusion theory that is usually attributed to Gombrich. Instead of suggesting that pictures are illusory because they cause us to have experiences as of seeing the depicted objects face to face, I argue that Art and Illusion is better read as making the point that naturalistic pictures are illusory because they cause us to see qualities and properties that the pictures themselves do not possess. Once we appreciate this point, we will be in a better position to appraise the value and limits of naturalistic art.     

The influence of temporal distance on justice and care morality

Agerström, J., Björklund, F. & Allwood, C. M. (2010). The influence of temporal distance on justice and care morality. Scandinavian Journal of Psychology, 51, 46–55.
The primary goal of this study was to examine whether changes in the temporal distance of a moral dilemma affect how it is perceived and subsequently resolved. Based on Construal Level Theory ( Trope & Liberman, 2003 ), it was predicted that the relative weight of abstract justice features should increase and the relative weight of concrete care features should decrease with temporal distance. The results showed that females became increasingly justice-oriented with greater temporal distance. However, this was not the case for males who were unaffected by temporal distance. This interaction was conceptually replicated in a follow-up experiment in which abstraction was manipulated directly by a mindset manipulation. The present results suggest that temporal distance is a contextual factor that can alter the extent to which moral judgments and reasoning are based on justice and care, although this effect seems to be moderated by gender.     

THEORIE ALS GEDÄCHTNISKUNST

The essay developes the principles of the antique resp. medieval ars memorativa, which was a skill of memorizing large amounts of varying informations. Then the parsonian theory of society is analysed and it is shown, that it is constructed according to the same principles. Hence it follows the thesis, that at least special kinds of sociological (and psychological) theories can be considered as modernized forms of the old ars memorativa. The author defends this thesis against a set of nearby objections. It is not tried to prove the historical truth of thesis, i.e. to show, that the tradition of theoretical literature indeed roots in the tradition of antique resp. medieval ars memorativa. In any case an examination of this question might yield new insight in the prehistory of theoretical thought.