The Implications of Two Conceptions of Happiness (Hedonic Enjoyment and Eudaimonia) for the Understanding of Intrinsic Motivation

The distinction between hedonic enjoyment and eudaimonia was evaluated in three data sets involving use of the Personally Expressive Activities Questionnaire—Standard Form (PEAQ-S) with college student samples (n > 200 in each sample). Indices of these two conceptions of happiness were strongly and reliably related across the three samples. Differences between these two conceptions of happiness were evaluated in two ways. First, we examined and compared correlations of hedonic enjoyment and eudaimonia with variables related to intrinsic motivation. Zero-order correlations involving hedonic enjoyment were significantly stronger with respect to measures of self-determination and interest than were the corresponding correlations involving feelings of personal expressiveness (eudaimonia). In contrast, correlations involving eudaimonia were significantly stronger with measures of the balance of challenges and skills, self-realization values, effort, and importance than were the corresponding correlations with hedonic enjoyment. Second, we empirically distinguished between activities for which both hedonic enjoyment and eudaimonia are present (intrinsically motivated activities) and activities for which hedonic enjoyment alone is present (hedonically enjoyed activities). Intrinsically motivated activities were judged to be significantly higher with respect to measures of the balance of challenges and skills, self-realization values, effort, importance, interest, and flow experiences. No differences between the two categories of activities were found for self-determination and the frequency with which activities were performed. Given these distinguishable patterns in the two conceptions of happiness, a reconceptualization for the understanding of intrinsic motivation is proposed.     

Stress and cardiac beta adrenoceptors

Most modern theories about stress recognize that although stress is not a disease, it may be the trigger for the majority of diseases when allostatic overload has been generated. During stress, the glucocorticoids and catecholamines play a key role in the regulation of physiological parameters and homeostasis during stress. In the heart, positive chronotropic, inotropic, and lusitropic responses to catecholamines are mediated by various subtypes of adrenergic receptors (beta-ARs), mainly beta1- and beta2-adrenergic receptors. beta-ARs also control cardiomyocyte growth and death, thus contributing to cardiac remodelling. The structural basis of each beta-AR subtype, as well as their signalling pathways, and adaptive responses to stress are discussed. The participation of beta3- and putative beta4-ARs in the control of cardiac function is also discussed, with emphasis on low affinity beta-AR isoforms and the role they play in the response to the catecholamines under stress. The changes in beta-AR signalling under pathogenic conditions as well as under stress are reviewed.     

Relational information processing of novel unrelated actions by infants

Declarative memory in infants is often assessed via deferred imitation. Not much is known about the information processing basis of the memory effect found in these experiments. While in the typical deferred imitation study the order of actions remains the same during demonstration and retrieval, in two experiments with n=30 respective n=25, 10- and 11-month-old infants, the order of novel unrelated actions in demonstration and retrieval was varied (same, reversed, mixed). This allowed a separation of item-specific from item-relational information processing. In both experiments best memory performance was found when the order of target actions remained the same during encoding and recall, demonstrating that infants seem to rely on item-specific as well as item-relational information which has to be ad hoc constructed while encoding.     

Effects of repetition and response deadline on item recognition in young and older adults

In the present study, we examined the joint effects of aging, repetition, and response deadline in a plurality discrimination task. Young and older adults studied lists of unrelated singular and plural nouns, with half presented once (weak items) and half presented five times (strong items). Test lists contained old (same) nouns, plurality-reversed nouns (changed lures), and unstudied nouns (new lures), and the participants were asked to respond old only to same items. In Experiment 1, the participants were tested with both short and long deadlines. In Experiment 2, the tests were unpaced. In both experiments, repetition increased hit rates for young and older adults. Young adults tested with a long deadline or no deadline showed invariant (Experiment 1) or reduced (Experiment 2) false alarms to changed lures when the nouns were studied more often. Young adults tested with a short deadline and older adults tested with both long and short deadlines had increased false alarm rates for strong changed lures; without time pressure to respond, older adults did not have a significant increase in false alarms for changed lures. Implications of these results for theories of cognitive aging are explored.     

C.S. Peirce on Mathematical Practice: Objectivity and the Community of Inquirers

Topoi - What understanding of mathematical objectivity is promoted by Peirce’s pragmatism? Can Peirce’s theory help us to further comprehend the role of intersubjectivity in...     

Genetic counseling for the next 25 years: Models for the future

Currently, two trends pose particular challenges for genetic counseling: (1) spin offs from the Human Genome Project leading to new diagnostic genetic tests far in advance of any cures; and (2) an increasing and diversified client population. These trends will lead to changes in both genetic service delivery systems and the development of alternative models of the genetic counseling process itself. Two models that could be adapted for genetic counseling are: the mutual participation model and the life history narrative model. Technological advances present ethical dilemmas and raise many questions. Already, improved detection of genes for predisposing conditions has entered clinical medicine requiring renewed ethical appraisals of genetic testing. Integration of genetic counseling (and required pre-screening education) into primary care settings involves time constraints and the involvement of health care personnel with less training in genetics. Alternative approaches are beginning to be discussed. Innovative genetic counselors with expanded visions of counseling goals and practices will play an increasingly important role in the future of genetic counseling.     

Unique characteristics of neonatal classical conditioning: The role of the amygdala and locus coeruleus

The central nervous system of altricial infants is specialized for optimizing attachments to their caregiver. During the first postnatal days, infant rats show a sensitive period for learning and particularly susceptible to learning an attraction to their mother’s odor. Classical conditioning appears to underlie this learning that is expressed behaviorally as anincreased ability to acquire odor preferences and a decreased ability to acquire odor aversions. Specifically, in neonatal rats, pairing an odor with moderately painful shock (0.5mA) or milk produces a subsequent relativepreference for that odor. The neural circuitry supporting theincreased ability to acquire odor preferences appears to be the heightened functioning of the noradrenergic pontine nucleus locus coeruleus. Indeed, norepinephrine from the locus coeruleus appears to be both necessary and sufficient for learning during the sensitive period. On the other hand, thedecreased ability to acquire odor aversions seems to be due to the lack of participation of the amygdala in at least some aversive learning situations. The site of plasticity in the pup’s brain appears to be limited to the olfactory bulb. This neonatal sensitive period for learning ends around postnatal day 9–10, at which time pups make the transition from crawling to walking and classical conditioning becomes “adultlike”. The neonatal behavioral and neural induced changes are retained into adulthood where it modifies sexual behavior.     

Mental contrasting with implementation intentions enhances self-regulation of goal pursuit in schoolchildren at risk for ADHD

Self-regulation is an important prerequisite for successful academic achievement, particularly for children who are at risk for Attention Deficit Hyperactivity Disorder (ADHD). We taught Mental Contrasting with Implementation Intentions (MCII), a technique that is known to facilitate the self-regulation of goal pursuit, to schoolchildren (sixth- and seventh-graders) both at risk and not at risk for ADHD. Parents rated their children’s level of self-regulation 2 weeks after the intervention. Children at risk and not at risk benefited from MCII more than from a learning style intervention only and the benefits of MCII were particularly strong for children at risk for ADHD. The results have implications with respect to supporting children’s self-regulation in their everyday school lives.