Brain activity varies with modulation of dynamic pitch variance in sentence melody

Fourteen native speakers of German heard normal sentences, sentences which were either lacking dynamic pitch variation (flattened speech), or comprised of intonation contour exclusively (degraded speech). Participants were to listen carefully to the sentences and to perform a rehearsal task. Passive listening to flattened speech compared to normal speech produced strong brain responses in right cortical areas, particularly in the posterior superior temporal gyrus (pSTG). Passive listening to degraded speech compared to either normal or flattened speech particularly involved fronto-opercular and subcortical (Putamen, Caudate Nucleus) regions bilaterally. Additionally the Rolandic operculum (premotor cortex) in the right hemisphere subserved processing of neat sentence intonation. As a function of explicit rehearsing sentence intonation we found several activation foci in the left inferior frontal gyrus (Broca's area), the left inferior precentral sulcus, and the left Rolandic fissure. The data allow several suggestions: First, both flattened and degraded speech evoked differential brain responses in the pSTG, particularly in the planum temporale (PT) bilaterally indicating that this region mediates integration of slowly and rapidly changing acoustic cues during comprehension of spoken language. Second, the bilateral circuit active whilst participants receive degraded speech reflects general effort allocation. Third, the differential finding for passive perception and explicit rehearsal of intonation contour suggests a right fronto-lateral network for processing and a left fronto-lateral network for producing prosodic information. Finally, it appears that brain areas which subserve speech (frontal operculum) and premotor functions (Rolandic operculum) coincidently support the processing of intonation contour in spoken sentence comprehension.     

Evaluation of a self-instruction package for conducting stimulus preference assessments

Research suggests that inexperienced individuals cannot accurately implement stimulus preference assessments given written instructions alone. Training that includes written instructions supplemented with feedback from a professional with expertise in conducting preference assessments has proven effective; unfortunately, expert-facilitated direct training may not be widely available. In the current study, we used multiple baseline designs to evaluate the efficacy of an antecedent-only self-instructional package to train staff members to implement two methods of stimulus preference assessments. Accuracy was low when participants had access to written instructions alone. When access to enhanced written instructions was provided (i.e., technical jargon was minimized; instructions included pictures, diagrams, and step-by-step examples), inexperienced staff accurately implemented the assessments. Results are discussed in terms of opportunities to disseminate behavior-analytic technologies through self-instruction and print resources.     

A forced-attention dichotic listening fMRI study on 113 subjects

We report fMRI and behavioral data from 113 subjects on attention and cognitive control using a variant of the classic dichotic listening paradigm with pairwise presentations of consonant-vowel syllables. The syllable stimuli were presented in a block-design while subjects were in the MR scanner. The subjects were instructed to pay attention to and report either the left or right ear stimulus. The hypothesis was that paying attention to the left ear stimulus (FL condition) induces a cognitive conflict, requiring cognitive control processes, not seen when paying attention to the right ear stimulus (FR condition), due to the perceptual salience of the right ear stimulus in a dichotic situation. The FL condition resulted in distinct activations in the left inferior prefrontal gyrus and caudate nucleus, while the right inferior frontal gyrus and caudate were activated in both the FL and FR conditions, and in a non-instructed (NF) baseline condition.     

Does Particularism Solve the Moral Problem?

Abstract

Moral cognitivism, internalism about moral judgements, and Humeanism about motivating reasons all possess attractions.Yet they cannot all be true.This is the so–called moral problem. Dancy offers an interesting particularist response to the moral problem. However, we argue that this response, first, provides an inadequate basis for the distinction between motivating states and states necessary for motivation although not themselves motivators; second, draws no support from considerations about weakness of the will; and third, involves an implausible account of desire.We conclude that particularism ú whatever other attractions it may have ú does not solve the moral problem.     

Does latent deprivation lead to psychological distress? Investigating Jahoda's model in a four‐wave study

Unemployment has serious negative effects on psychological health, and yet the underlying mechanisms remain unknown. According to the latent deprivation model, it is the lack of latent benefits of work associated with unemployment, which leads to psychological distress. In a four‐wave study among employed persons, unemployed persons, and persons out of the labour force (OLF) (N_T1= 1,026), this assumption was tested cross‐sectionally as well as longitudinally. Multiple mediation analyses show the expected differences in distress between the employed, unemployed, and OLF persons and indicate that part of this difference can be explained by differential access to the latent benefits. Furthermore, cross‐lagged structural equation modelling confirms that a deprivation of latent benefits leads to a decrease in psychological health 6 months later. Findings regarding the different quality of the latent benefits in relation to each other and over time when predicting psychological health are discussed.     

The effects of different intensity levels of background noise on dichotic listening to consonant-vowel syllables

It has previously been shown that the right ear advantage in dichotic listening to consonant-vowel syllables is affected if a background noise is presented at the same time as the dichotic stimuli. What is not known is, however, if there is also an effect of varying the intensity level of the background noise. We therefore presented conversation or traffic noise background noise simultaneously with the dichotic syllable stimuli to healthy adult subjects. The intensity of the background noises varied between 50-65 dB in steps of 5 dB. The results showed that the right ear correct reports decreased, while left ear correct reports increased as a consequence of increasing background noise intensity. The effects were also stronger for the right ear, and for the traffic background noise condition, particularly at the two highest intensity levels. The results are discussed in terms of alertness and attentional mechanisms.     

Nature and Nationhood: Danish Perspectives

In this paper, I shall discuss Danish perspectives on nature, showing the interdependence of conceptions of ‘nature’ and ‘nationhood’ in the formations of a particular cultural community. Nature, thus construed, is never innocent of culture and cannot therefore simply be ‘restored’ to some pristine, pre-lapsarian state. On the other hand, invocations of nature are effectively calls to action, often of a sort that involves a degree of (limited) restoration and conservation.     

Culture,Burnout, and Engagement: A Meta-Analysis on National Cultural Values as Moderators in JD-R Theory

Despite prominence and increasing application of the Job Demands-Resources (JD-R) theory across national contexts, the role of culture has not yet been systematically explored. We conducted a meta-analysis of 132 independent samples from 120 studies across 5 global regions (total N = 101,073) to fill this void. Our paper responds to long-standing concerns around neglecting differences in the relationships of workplace factors with burnout and engagement across national cultures by testing for a moderating role within JD-R theory. Results suggest strong support for the direct job demands-burnout and job resources-engagement pathways. Regarding the role of culture, our study reveals moderating roles for five out of six cultural dimensions using Hofstede’s framework. Interestingly, these cultural dimensions present a moderating impact towards relationships with either job demands or job resources, yet not both. Our findings offer a valuable starting point for further theoretical developments that can impact international business and global mobility. While these insights suggest a role of national cultural context in JD-R studies, sensitivity analyses showed that the findings were only partly stable.     

In Defence of Advance Directives in Dementia

It has often been claimed that orthodox thinking about personal identity undermines the moral authority of advance directives in dementia by implying that the signer of the directive is numerically different from the severely demented patient. This is the ‘identity problem'. I introduce the problem, outline some well-known solutions, and explain why they might be deemed unattractive. I then propose an alternative solution. It promises to be compatible with orthodox thinking about personal identity. I discuss three ways in which it might be challenged and find that none is convincing. Personal identity is no bar to the moral authority of advance directives.