Speech and language functions that require a functioning Broca's area

A number of previous studies have indicated that Broca's area has an important role in understanding and producing syntactically complex sentences and other language functions. If Broca's area is critical for these functions, then either infarction of Broca's area or temporary hypoperfusion within this region should cause impairment of these functions, at least while the neural tissue is dysfunctional. The opportunity to identify the language functions that depend on Broca's area in a particular individual was provided by a patient with hyperacute stroke who showed selective hypoperfusion, with minimal infarct, in Broca's area, and acutely impaired production of grammatical sentences, comprehension of semantically reversible (but not non-reversible) sentences, spelling, and motor planning of speech articulation. When blood flow was restored to Broca's area, as demonstrated by repeat perfusion weighted imaging, he showed immediate recovery of these language functions. The identification of language functions that were impaired when Broca's area was dysfunctional (due to low blood flow) and recovered when Broca's area was functional again, provides evidence for the critical role of Broca's area in these language functions, at least in this individual.     

Influences on communicative development at 24 months of age: child temperament, behaviour problems, and maternal factors

Within a longitudinal study using a large representative, community sample of infants recruited at mean age 8 months, we examined influences on infant communication development at 24 months, including child gender, shy temperament, behavioural and emotional problems, and several variables relating to maternal psychosocial health. On most developmental measures girls were in advance of boys and they also showed shyer temperament. Child gender, shy temperament and maternal psychosocial indices were associated with both vocabulary development as measured by the MacArthur-Bates Communicative Development Inventory (CDI), and communication and symbolic development assessed via the Communication and Symbolic Behaviour Scales-Developmental Profile (CSBS) at 24 months. No prediction was found using scores at 8 or 12 months, although moderate stability between measures between 12 and 24 months was evident. Predictors of 24 month outcomes were all concurrently measured variables, and included temperamental shyness, but very little variance in communication outcomes was explained. Children whose mothers were experiencing clinical levels of depression and life difficulties reported more child behavioural problems.     

Workaholism as Discretionary Time Investment at Work: An Experience-Sampling Study

Adopting an operational definition of workaholism as discretionary investment of considerable time at work, the purpose of the present study was to test hypotheses regarding the cognitive aspect of workaholism, as well as the positive and negative/addictive views of this construct. The study employed an experience‐sampling method (ESM), using a sample of 65 full‐time employees who completed the ESM forms at four random times during the day for one week. Results indicated that workaholism was associated with continued cognitive engagement with work, accompanied by a preference for work over leisure activity and higher positive affect during work activity than during leisure activity. No significant differences were found between workaholics and non‐workaholics with regard to the likelihood of performing work‐related activities during leisure activity, or in the levels of physical discomfort and negative affect during the weekend. These results highlight the utility of an operational framework for studying the variety of workaholism correlates. Theoretical and applied implications are discussed. A partir d’une définition opérationnelle de l’addiction au travail comme étant un investissement sans contrôle d’un temps considérable consacré au travail, cette recherche s’est donné comme objectif de mettre à l’épreuve des hypothèses relatives à la dimension cognitive de l’addiction au travail, ainsi que les aspects positifs et négatifs (addictifs) de ce concept. Cette recherche a exploité la méthode de l’échantillonnage des expériences (ESM) à partir d’un échantillon composé de 65 salariés à plein‐temps qui ont rempli la feuille de recueil des données quatre fois par jour au hasard pendant une semaine. Les résultats ont montré que l’addiction au travail était liée à un engagement cognitif permanent vis‐à‐vis du travail, associéà une plus forte attirance pour le travail que pour les loisirs et à un état affectif plus fortement positif lors du travail qu’à l’occasion des activités de loisirs. On n’a pas trouvé de différences significatives entre les drogués du travail et les autres en ce qui concerne la probabilité de réaliser des activités relevant du travail pendant les loisirs, ou dans le niveau d’inconfort physique et le poids des affects négatifs pendant le week‐end. Ces résultats montrent l’utilité d’un schéma opérationnel dans l’étude de la diversité des phénomènes reliés à l’addiction au travail. Les implications théoriques et pratiques sont examinées.     

Mood influences on acute smoking responses are independent of nicotine intake and dose expectancy

Acute responses to smoking are influenced by nicotine and by nonpharmacological factors such as nicotine dose expectancy and sensory effects of smoke inhalation. Because negative mood increases smoking reinforcement, the authors examined whether these effects may be altered by mood context. Smokers (n=200) participated in 2 sessions, negative or positive mood induction, and were randomized to 1 of 5 groups. Four groups comprised the 2x2 balanced placebo design, varying actual (0.6 mg vs. 0.05 mg yield) and expected nicotine dose (expected nicotine vs. denicotinized [denic]) of cigarettes. A fifth group was a no-smoking control. Smoking, versus not smoking, attenuated negative affect, as well as withdrawal and craving. Negative mood increased smoking reinforcement. However, neither actual nor expected nicotine dose had much influence on these responses; even those smokers receiving and expecting a denic cigarette reported attenuated negative affect. A follow-up comparison suggested that the sensory effects of smoke inhalation, but not the simple motor effects of smoking behavior, were responsible. Thus, sensory effects of smoke inhalation had a greater influence on relieving negative affect than actual or expected nicotine intake.     

Teaching preschool children to avoid poison hazards

We evaluated the effectiveness of group safety training and in situ feedback and response interruption to teach preschool children to avoid consuming potentially hazardous substances. Three children ingested ambiguous substances during a baited baseline assessment condition and continued to ingest these substances following group safety training. In situ feedback and response interruption resulted in a decrease in opening ambiguous containers; this decrease was maintained when ambiguous novel containers were presented and when assessments occurred in a novel setting and with a novel experimenter. For 2 children, these gains were also maintained during a brief follow-up period. Twelve children did not ingest ambiguous substances prior to training, and group safety training did not evoke inappropriate ingestion.     

Predicting attendance at peer-assisted study sessions for statistics: role identity and the theory of planned behavior

Using a prospective study of 77 1st-year psychology students' voluntary attendance at peer-assisted study sessions for statistics, the authors tested the addition of role identity to the theory of planned behavior. The authors used a revised set of role-identity items to capture the personal and social aspects of role identity within a specific behavioral context. At the commencement of the semester, the authors assessed the students' attitudes, subjective norm, perceived behavioral control, role identity, and intention. The authors examined the students' class attendance records 3 months later. Attitudes and perceived behavioral control predicted intention, with intention as the sole predictor of attendance. Role identity also predicted intention, reflecting the importance of the student role identity in influencing decision making related to supplementary academic activities.     

Autobiographical narratives of deaf and hearing adults: an examination of narrative coherence and the use of internal states

To examine the impact of early linguistic experiences on later verbal report of autobiographical memory, 13 hearing adults and 13 deaf adults born to hearing parents described events that occurred before and after the age of 10 years. The contextual, temporal, and thematic coherence of the narratives was rated. The use of emotional, perceptual, mental, and physiological states was also recorded. There were differences in the coherence of the narratives and use of internal states according to the age at which the events occurred. There were no group differences in coherence, but hearing adults provided longer narratives than deaf adults. When narrative length was controlled, deaf adults included more emotional states than hearing adults. Results suggest that early unavailability of language does not impact the coherence of adults' narratives, although certain features of linguistic expression specific to ASL may result in greater saturation of emotional states references in autobiographical narratives of deaf adults.     

Religiosity in Emerging Adulthood: Familial Variables and Adjustment

The current study is an examination of the familial variables associated with the expression of intrinsic and extrinsic religiosity and the relationship between religiosity and adjustment in emerging adulthood. Three hundred and five emerging adults completed questionnaires regarding their religiosity, psychological adjustment, and several familial variables. Parental divorce, perceived parental marital satisfaction, and family support were found to relate to religiosity. Additionally, those classified as intrinsically and indiscriminately religious reported higher levels of self-esteem than the extrinsically religious. The current study highlights the importance of examining multiple contextual variables simultaneously in order to assess the true multidimensional aspect of religious expression in emerging adulthood. Portions of this paper were presented at the meeting of the American Psychological Society, Chicago, May 2004.     

Childhood Healthcare Experience,Healthcare Attitudes,and Optimism as Predictors of Adolescents’ Healthcare Behavior

Late adolescence and early adulthood is a time when people establish many of their life-style behaviors. Thus, in order to promote optimal health, it is important to identify factors predictive of young adults’ healthcare behavior. This study evaluated the relationship between measures of childhood healthcare experience, healthcare attitudes, and optimism with young adults’ healthcare behavior in a sample of college students (n = 100). Results suggested that prior healthcare experience, attitudes about healthcare, and optimism are associated with current healthcare behavior. In addition, the relation between childhood healthcare experience and current healthcare behavior was moderated by optimism, such that those who reported both more negative childhood healthcare experiences and low levels of optimism reported the least adaptive healthcare behaviors and those who reported the most positive childhood healthcare experience and the highest levels of optimism reported the most adaptive healthcare behavior.     

Asian American career development: A qualitative analysis

This study used a modified version of consensual qualitative research design to examine how contextual, cultural, and personal variables influence the career choices of a diverse group of 12 Asian Americans. Seven domains of influences on career choices emerged including family, culture, external factors, career goals, role models, work values, and self-identity. Furthermore, several overarching themes were discovered that expressed elements of many of these domains. These themes highlighted the pervasive and influential role that both culture and family of origin play in the construction of meaning that these Asian American participants made from their career choices. Implications of these domains and themes and suggestions for future research are discussed.