Monitoring syllable boundaries during speech production

This study investigated the encoding of syllable boundary information during speech production in Dutch. Based on Levelt's model of phonological encoding, we hypothesized segments and syllable boundaries to be encoded in an incremental way. In a self-monitoring experiment, decisions about the syllable affiliation (first or second syllable) of a pre-specified consonant, which was the third phoneme in a word, were required (e.g., ka.No 'canoe' vs. kaN.sel 'pulpit'; capital letters indicate pivotal consonants, dots mark syllable boundaries). First syllable responses were faster than second syllable responses, indicating the incremental nature of segmental encoding and syllabification during speech production planning. The results of the experiment are discussed in the context of Levelt's model of phonological encoding.     

Widening the temporal window: processing support in the treatment of aphasic language production

Investigations of language processing in aphasia have increasingly implicated performance factors such as slowed activation and/or rapid decay of linguistic information. This approach is supported by studies utilizing a communication system (SentenceShaper) which functions as a "processing prosthesis." The system may reduce the impact of processing limitations by allowing repeated refreshing of working memory and by increasing the opportunity for aphasic subjects to monitor their own speech. Some aphasic subjects are able to produce markedly more structured speech on the system than they are able to produce spontaneously, and periods of largely independent home use of SentenceShaper have been linked to treatment effects, that is, to gains in speech produced without the use of the system. The purpose of the current study was to follow up on these studies with a new group of subjects. A second goal was to determine whether repeated, unassisted elicitations of the same narratives at baseline would give rise to practice effects, which could undermine claims for the efficacy of the system.     

The role of syntactic obligatoriness in the production of intonational boundaries

Researchers have hypothesized that words that are highly related semantically are more likely to occur within the same intonational phrase (F. zzaq;, 1988; E. O. Selkirk, 1984). D. Watson and E. Gibson (2004) proposed that semantic closeness can be captured by using the argument/adjunct distinction, such that intonational boundaries are more likely to occur before adjuncts than before arguments. In the current experiment, the authors compared two aspects of argumenthood: semantic relatedness and obligatoriness. In a production study, speakers were more likely to place an intonational phrase boundary between a word and a dependent if the dependent was optional (e.g., after "investigation" in "The reporter's investigation [of the crash] unnerved the officials") than if the dependent was obligatory (e.g., after "investigated" in "The reporter investigated [the crash], and this unnerved the officials"). These data suggest that obligatoriness is a better predictor of intonational boundary placement than semantic closeness.     

The production of communication signals at the air-water and water-substrate boundaries

The 2 interfaces of the aquatic environment, the boundary between air-water and water-substrate, have distinctive physical characteristics that facilitate the production of communication signals. Recent evidence suggests that animals living on or near these boundaries use the interface to generate signals in 2 ways: (a) by producing a signal that propagates along the interface or (b) by producing a signal at the interface that is transmitted and detected within 1 of the component media. By examining the diversity of behaviors used to produce signals at these boundaries, the authors illustrate how human perception of these environments may cause researchers to incorrectly assume the environmental context of signal-generating behaviors and overlook modalities of communication pertinent to the animal.     

Obstacles to Widening Biosample Research

Science and Engineering Ethics - Switzerland has an excellent culture of medical research and is a melting pot for medical experts with international expertise. Nevertheless, as in other countries,...     

Blurred boundaries

Since 1990 it has been illegal in Britain to create human/animal hybrids. But what is the objection to hybrids? A proposal based on a fear of blurring conceptual boundaries is offered; this fear also seems to underlie several other of our deep‐seated taboos, such as incest and bestiality, which are often explained in other, quite inappropriate, ways. The new law shows that the boundary between the human and the animal is still thought of as crucial and untransgressable in modern Britain, yet it is not clear why; the world‐views that in the past justified protecting this particular boundary are usually thought of as having been abandoned centuries ago. Thus it would seem that within our culture there are firmly entrenched taboos that are not readily justifiable from within that culture; the taboo against blurring the human/animal boundary is one such. This raises the question whether this human/animal boundary is one we should still want to protect in this way.     

Penetrating the boundaries of latent conflict

The psychotherapeutic process has customarily been divided into an opening phase, a working-through phase, and a termination phase. Beyond recognition of these stages, few theorists have offered criteria for tracking the transition from one phase to the next. A related problem affecting each of these stages has been whether dynamically-oriented psychotherapy can predict latent conflict before it becomes manifest. Developmental principles derived from the early life relationship between caregiver and infant may provide therapists with a viable approach for handling these issues. By applying these principles analogously to the therapeutic situation, therapists may be able to better predict the transitions between stages, as well as to identify latent conflict before it is manifested. Moreover, these principles may also provide criteria for determining when treatment should be terminated.     

The IKEA effect and the production of epistemic goods

Philosophical Studies - Behavioral economists have proposed that people are subject to an IKEA effect, whereby they attach greater value to products they make for themselves, like IKEA furniture,...     

Widening Choices in Motherhood of The Future

The new biomedical techniques of reproduction either currently available or being researched, such as sex predetermination of offspring, sperm banking, test tube conception with embryo transplant, development of artificial wombs and human cloning, allow greatly expanded choices in methods of procreation. A survey of attitudes among 2,138 adults, most of whom are in the early to middle stages of reproductive decision making, shows varying levels of acceptance towards the use of such techniques and towards priority values they would assign to ongoing research to perfect specific technorogies. Male-female variation in response patterns are analyzed along with racial and religious differences. Possible and probable impacts that widespread use of these new alternatives might have on the future of women in particular and on various aspects of society in general are discussed.     

Occlusions at event boundaries during encoding have a negative effect on infant memory

The present study investigated the importance of Event Boundaries for 16- and 20-month-olds’ (n = 80) memory for cartoons. The infants watched one out of two cartoons with ellipses inserted covering the screen for 3 s either at Event Boundaries or at Non-Boundaries. After a two-week delay both cartoons (one familiar and one novel) were presented simultaneously without ellipses while eye-tracking the infants. According to recent evidence a familiarity preference was expected. However, following Event Segmentation Theory ellipses at Event Boundaries were expected to cause greater disturbance of the encoding and hence a weaker memory trace evidenced by reduced familiarity preference, relative to ellipses at Non-Boundaries. The results suggest that overall this was the case, documenting the importance of Boundaries for infant memory. Furthermore, planned analyses revealed that whereas the same pattern was found when looking at the 20-month-old infants, no significant difference was found between the two conditions in the youngest age-group.     

Two Cultures Revisited: New Widening Gaps

Aristotle continues to be a highly cited author in cultural sciences (human and social sciences) and humanities. In the last two decades, his work attracted up to a hundred times more attention than the work of Konrad Lorenz or Edward O. Wilson, who have attempted to synthesize new knowledge on behavior and society and proposed alternatives to traditional, intuitively appealing, explanations. Aristotle's interpretations of the world, which appear to be intuitive to the human mind, were abandoned in natural sciences upon introduction of the experimental method. Human intuition may have been appropriate in conditions under which it was originally selected: for life of small non-anonymous groups of hunters and gatherers in the savannah. Intuition confines human understanding to a simple reality circumscribed by a boundary that can be called Aristotle's barrier. The barrier may only be crossed by experimentation, which is largely missing in cultural sciences. Snow's concept of two cultures may be revisited to characterize a splitting of natural sciences versus cultural sciences. It may also be applied to a widening gulf between science and technoscience. Diverging of the two cultures may have far-reaching consequences for prospects of humankind's survival.     

Expanding the boundaries of psychological resource theories

This article introduces JOOP's special section on expanding the boundaries of resource theories in occupational and organizational psychology. After an introduction of the most relevant resource theories and their current application in occupational and organizational psychology – key resource theories, conservation of resources theory, resource theory of social exchange, and selective optimization with compensation theory – the opportunities and challenges for future research are outlined, as well as the innovative trends emerging from the contributions in this special section.     

Production on hold: delaying vocal production enhances the production effect in free recall

The Production Effect (PE) represents superior memory for produced (read aloud) relative to non-produced (silently read) items. Another method of improving memory is taking a test on the study material – the Testing Effect. We evaluated the combined influence of both effects on free recall memory, using delayed vocal production, in which study words were vocally produced only after their disappearance. Such procedure involves an initial instant test since participants had to vocally retrieve the words (rather than read them aloud). In five experiments, participants were presented with study words that they were instructed to learn by no-production (reading silently), immediate production (reading aloud), delayed reading aloud, or delayed vocal production (instant retrieval). The results showed superior recall for delayed production over all other conditions. We suggest that the source of this superiority is the desirable difficulty induced by the addition of the initial test (retrieval effort) to the vocal production. The novel delayed production condition forms a superior mnemonic.