Toward Unity in Psychology: The Experimental Synthesis of Behaviour

The current state of fragmentation of psychology is discussed in the context of Kuhn's paradigms. Schools of psychology are considered analogous to paradigms, although Kuhn would not think of psychology as a paradigmatic science. Schools gave origin to systems of psychology (neo-behaviourism, neo-psychoanalysis, dialectic-materialistic psychology, and humanistic psychology). A unifying paradigm, the experimental synthesis of behaviour, is presented as a programme. It is derived from the experimental analysis of behaviour. It is not an eclectic approach, but a new paradigm with the aim of unifying psychology as a science. Its main characteristics and advantages are discussed.     

Errors resembling semantic paralexias in Spanish-speaking aphasics.

Forty-one Spanish-speaking left-hemisphere-damaged patients were selected and divided into seven groups (transcortical, Broca's aphasia, conduction aphasia, Wernicke's aphasia, anomic aphasia, alexia without agraphia, and global aphasia). A reading battery composed of eight different subtests was given to each patient (reading of letters, reading of syllables, reading of pseudowords, reading of words, reading of sentences, understanding commands, reading and comprehension of texts, and logographic reading). Different types of reading errors were analyzed. Only in the logographic reading subtest were some word-recognition errors found, resembling semantic paralexias. It is proposed that semantic paralexias in English (and other languages) depend upon the partial logographic nature of the reading system. The importance of cross-linguistic analysis of reading errors, taking into account reading system idiosyncracies, is emphasized.     

Transcortical motor aphasia: One or two aphasias?

The name "transcortical motor aphasia" has been used to refer to two different types of language alterations: damage in the left supplementary motor area and Luria's dynamic aphasia. It is proposed that they represent two types of language disturbances different enough to be considered two different forms of aphasia.     

Toward a Model of Neuropsychological Activity

The main purpose of this research was to establish the intercorrelations existing among different psychological and neuropsychological test scores in a normal and homogenous population. A second purpose was to attempt further step in the component analysis of cognitive activity measured by means of neuropsychological tests. A comprehensive neuropsychological test battery was assembled and individually administered to a 300-subject sample, aged 17–25 years-old. All of them were right-handed male university students. The battery included some basic neuropsychological tests directed to assess language, calculation abilities, spatial cognition, praxic abilities, memory, perceptual abilities, and executive functions. In addition, the Wechsler Adult Intelligence Scale was administered. Forty-one different scores were calculated. Correlations among the different test scores were analyzed. It was found that some of the tests presented a quite complex intecorrelation system, whereas other tests presented few or no significant correlations. Mathematical ability tests and orthography knowledge represented the best predictors of Full Scale IQ. A factor analysis with varimax rotation disclosed five factors (verbal, visuoperceptual, executive function, fine movements, and memory) accounting for 63.6% of the total variance. Implications of these results for a neuropsychological model about brain organization of cognition were analyzed.     

Averbia as a selective naming disorder: A single case report

After a moderate head injury a 33-year-old woman presented a selective defect in finding verbs and name actions. Objects, colors, body parts, and qualities were named in a normal way. No other associated aphasic defects were observed. It was proposed that the selection and use of verbs in their correct forms implies two different aspects, which eventually can become dissociated: (1) the ability to retrieve the lexical item (the action name); and (2) the ability to use the correct affixation, that is, to select the morphological form according to the current context. Only the second would be associated with agrammatism. Defects in the first aspect (selection of the lexical item) would represent a particular form of anomia, a category-specific anomia, or anomia for verbs (averbia). Our patient illustrated this particular type of category-specific naming disorder.     

“Just Carbon”: Ideas About Graphene Risks by Graphene Researchers and Innovation Advisors

Graphene is a nanomaterial with many promising and innovative applications, yet early studies indicate that graphene may pose risks to humans and the environment. According to ideas of responsible research and innovation, all relevant actors should strive to reduce risks related to technological innovations. Through semi-structured interviews, we investigated the idea of graphene as a risk (or not) held by two types of key actors: graphene researchers and innovation advisors at universities, where the latter are facilitating the movement of graphene from the laboratory to the marketplace. The most common idea found is that graphene is not a risk due to, e.g., low toxicity, low amounts produced/used, and its similarity to harmless materials (being “just carbon”). However, some researchers and advisors also say that graphene is a risk, e.g., under certain conditions or due to a lack of risk-related information. We explain the co-existence of these seemingly contradictory ideas through (1) the semantic ambiguity of the word risk and (2) a risk/no-risk rhetoric, where risks are mentioned rhetorically only to be disregarded as manageable or negligible. We suggest that some of the ideas held by the researchers and innovation advisors constitute a challenge to responsible research and innovation regarding graphene. At the same time, we acknowledge the dilemma that the discourse of responsible innovation creates for the actors: denying graphene risks makes them irresponsible due to a lack of risk awareness, while affirming graphene risks makes them irresponsible due to their everyday engagement in graphene development. We therefore recommend more research into what researchers and innovation advisors should do in practice in order to qualify as responsible.     

assessing the effectiveness of statistical classification techniques in predicting future employment of participants in the temporary assistance for needy families program

Three classification techniques (Chi‐square Automatic Interaction Detection [CHAID], Classification and Regression Tree [CART], and discriminant analysis) were tested to determine their accuracy in predicting Temporary Assistance for Needy Families program recipients' future employment. Technique evaluation was based on proportion of correctly predicted cases and 6 other criteria. Sustained employment was associated with both recipients' subjective work‐related skills assessments and their objective test scores, and with their educational levels and marital status. Correct case classification by model was 74% for CHAID, 75% for CART, and 68% for discriminant analysis. Results suggest these classification tools can be useful supplements in assessments of clients' employment potentials.     

Toward a more complete understanding of the reciprocity of liking effect

It is proposed that the reciprocation of interpersonal attraction is a multifaceted process involving affective, cognitive, and behavioral elements, and that reciprocation can be interpreted using interdependence theory. Two studies investigated whether expressed attraction implies benevolent intentions and whether such intentions are differentially critical to reciprocated affective and behavioral attraction. Study 1 (N = 52) demonstrated that (a) an admirer's expressed attraction suggests an admirer's benevolent intentions toward the target, and (b) that benevolent intentions mediate reciprocated affective and behavioral attraction. Study 2 (N = 173) found a difference between affective and behavioral attraction: affective attraction was reciprocated in all cases; but behavioral attraction was not reciprocated when stated behavioral intentions were not consistent with intentions implied by the expressed attraction. Results support an interdependence theory perspective as particularly important for understanding why and what type of reciprocated attraction will occur. Copyright © 2007 John Wiley & Sons, Ltd.