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1.
J Integr Neurosci ; 22(1): 23, 2023 Jan 17.
Artigo em Inglês | MEDLINE | ID: mdl-36722249

RESUMO

Medical well-regarded policy recommendations for patients with disorders of consciousness (DoC) are almost exclusively relied on behavioural examination and evaluation of higher-order cognition, and largely disregard the patients' self. This is so because practically establishing the presence of self-awareness or Selfhood is even more challenging than evaluating the presence of consciousness. At the same time, establishing the potential (actual physical possibility) of Selfhood in DoC patients is crucialy important from clinical, ethical, and moral standpoints because Selfhood is the most central and private evidence of being an independent and free agent that unites intention, embodiment, executive functions, attention, general intelligence, emotions and other components within the intra-subjective frame (first-person givenness). The importance of Selfhood is supported further by the observation that rebooting of self-awareness is the first step to recovery after brain damage. It seems that complex experiential Selfhood can be plausibly conceptualized within the Operational Architectonics (OA) of brain-mind functioning and reliably measured by quantitative electroencephalogram (qEEG) operational synchrony.


Assuntos
Lesões Encefálicas , Transtornos da Consciência , Humanos , Cognição , Estado de Consciência , Eletroencefalografia
2.
J Child Lang ; 48(1): 55-87, 2021 01.
Artigo em Inglês | MEDLINE | ID: mdl-32452331

RESUMO

The present study investigates the production and comprehension of indefinite and definite articles as markers of givenness by typically-developing German-speaking children, from the perspective of information structure theory. The study involves 93 typically-developing children aged four to seven years old with normal language-skills and 20 adults. The results of a story-narration task and a truth-value judgment task reveal that children have more problems with new than with given referents in production as well as comprehension suggesting a "given better than new"-pattern. These findings are explained in the context of perspective-taking capacities and cue weighting theory.


Assuntos
Linguagem Infantil , Compreensão , Transtornos do Desenvolvimento da Linguagem/diagnóstico , Desenvolvimento da Linguagem , Aprendizagem Verbal , Vocabulário , Adulto , Criança , Pré-Escolar , Feminino , Alemanha , Humanos , Masculino
3.
Lang Speech ; 63(2): 306-361, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-31096841

RESUMO

The prosody of non-assertive speech acts other than questions is rather underexplored. Very little is known about the role of information structure in non-assertive speech acts in general. The present study presents two production experiments examining the prosody of string-identical verb-second (experiment 1) and verb-final (experiment 2) wh-exclamatives and wh-questions in German in relation to their status as different speech acts, in relation to their sensitivity to information structure, and in relation to speaker sex. The study shows that the two speech acts are differentiated by many prosodic means, both globally (duration, intonation contour) and locally (accent distribution in the clause-initial and clause-final regions; pitch, duration, intensity on various elements in the clause, especially the subject pronoun and the direct object, which are more prominent in exclamatives, and the verb-second auxiliary, which is more prominent in questions). Exclamatives overall show a very rigid prosodic contour; they typically are realized with an accent on the subject pronoun and on the object and end in a fall. Questions are much more flexible; they are realized as rises or falls, and show a more varied accent structure in the clause-initial and clause-final regions. Both speech acts show information-structural effects of givenness marking, but the effects in exclamatives are remarkably weak. It is proposed that the speech-act marking prosody overrides information-structural effects to some extent. Male and female speakers show differences in their preferred accent patterns for the two speech acts. Some acoustic differences are only reliable for female speakers.


Assuntos
Idioma , Fonética , Fatores Sexuais , Fala/fisiologia , Adulto , Feminino , Alemanha , Humanos , Masculino , Medida da Produção da Fala
4.
Lang Speech ; 62(2): 358-377, 2019 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-29781386

RESUMO

Languages vary in the type of contexts that affect prosodic prominence. This paper reports on a production study investigating how different types of foci influence prosody in Polish and Czech noun phrases. The results show that in both languages, focus and givenness are marked prosodically, with pitch and intensity as the main acoustic correlates. Like Germanic languages, Polish and Czech patterns show prosodic focus marking in a broad range of contexts and differ in this regard from other fixed-word-stress languages such as French. This suggests that (a) Polish and Czech are similar to Germanic languages and are unlike Romance languages in marking a variety of types of focus prosodically; (b) there is no close correlation between fixed word stress and lack of prosodic focus marking because Polish, which has fixed stress on the penult, shows prosodic focus marking for all types of focus; and (c) there is no straightforward relationship between flexible word order and whether focus and givenness are prosodically marked, contrary to earlier claims, because both Czech and Polish, with their relatively flexible word order, are more similar to English than Romance languages.


Assuntos
Sinais (Psicologia) , Fonética , Acústica da Fala , Qualidade da Voz , Acústica , Humanos , Medida da Produção da Fala , Fatores de Tempo
5.
Lang Speech ; 60(2): 260-288, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-28697697

RESUMO

This article is a follow-up study of Féry and Kügler (2008. Pitch accent scaling on given, new and focused constituents in German. Journal of Phonetics, 36, 680-703). It reports on an experiment of the F0 height of potential pitch accents in the postfocal region of German sentences and addresses in this way an aspect of the influence of information structure on the intonation of sentences that was left open in the previous article. The results of the experiment showed that, when several constituents are located in this position, they are often in a downstep relation, but are rarely upstepped. In 37% of the cases, the pitch accents are only realized dynamically and there is no down- or upstepping. We interpret these results as evidence that postfocal constituents are phrased independently. The data examined speak against a model of postfocal intonation in which postfocal phrasing is eliminated and all accents are reduced to zero. Instead, the pitch accents are often present, although reduced. Moreover, the facts support the existence of prosodic phrasing of the postfocal constituents; the postfocal position implies an extremely compressed register, but no dephrasing or systematic complete deaccentuation of all pitch accents. We propose adopting a model of German intonation in which prosodic phrasing is determined by syntactic structure and cannot be changed by information structure. The role of information structure in prosody is limited to changes in the register relationship of the different parts of the sentence. Prefocally, there is no or only little register compression because of givenness. Postfocally, register compression is the rule. A model of intonation must take this asymmetry into account.


Assuntos
Sinais (Psicologia) , Linguística , Percepção da Altura Sonora , Acústica da Fala , Percepção da Fala , Qualidade da Voz , Estimulação Acústica , Feminino , Alemanha , Humanos , Estimulação Luminosa , Medida da Produção da Fala , Percepção Visual
6.
Front Psychol ; 8: 250, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28293201

RESUMO

This study investigated the time-course of online sentence formulation (i.e., incrementality in sentence planning) as a function of the preceding discourse context. In two eye-tracking experiments, participants described pictures of transitive events (e.g., a frog catching a fly). The accessibility of the agent (Experiment 1) and patient (Experiment 2) was manipulated in the discourse preceding each picture. In the Literal condition, participants heard a story where the agent or patient was mentioned explicitly (fly, frog). In the Associative condition, the agent or patient was not mentioned but was primed by the story (via semantically or associatively related words such as insect, small, black, wings). In the No Mention condition, the stories did not explicitly mention or prime either character. The target response was expected to have the same structure and content in all conditions (SVO sentences: The frog catches the fly). The results showed that participants generally looked first at the agent, before speech onset, regardless of condition, and then at the patient around and after speech onset. Analyses of eye movements in time window associated with linguistic planning showed that formulation was sensitive mainly to whether the agent was literally mentioned in the context or not and to lesser extent to conceptual accessibility (Experiment 1). Furthermore, accessibility of the patient (be it literal mention of its name or only availability of the concept) showed no effect on the time-course of utterance planning (Experiment 2). Together, these results suggest that linguistic planning before speech onset was influenced only by the accessibility of the first character name in the sentence, providing further evidence for highly incremental planning in sentence production.

7.
Front Psychol ; 7: 1886, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27990130

RESUMO

Using a language game to elicit short sentences in various information structural conditions, we found that Finnish 4- to 5-year-olds already exhibit a characteristic interaction between prosody and word order in marking information structure. Providing insights into the acquisition of this complex system of interactions, the production data showed interesting parallels to adult speakers of Finnish on the one hand and to children acquiring other languages on the other hand. Analyzing a total of 571 sentences produced by 16 children, we found that children rarely adjusted input word order, but did systematically avoid marked OVS order in contrastive object focus condition. Focus condition also significantly affected four prosodic parameters, f0, duration, pauses and voice quality. Differing slightly from effects displayed in adult Finnish speech, the children produced larger f0 ranges for words in contrastive focus and smaller ones for unfocused words, varied only the duration of object constituents to be longer in focus and shorter in unfocused condition, inserted more pauses before and after focused constituents and systematically modified their use of non-modal voice quality only in utterances with narrow focus. Crucially, these effects were modulated by word order. In contrast to comparable data from children acquiring Germanic languages, the present findings reflect the more central role of word order and of interactions between word order and prosody in marking information structure in Finnish. Thus, the study highlights the role of the target language in determining linguistic development.

8.
Brain Res ; 1555: 36-47, 2014 Mar 25.
Artigo em Inglês | MEDLINE | ID: mdl-24502981

RESUMO

An event-related potential (ERP) study was conducted to investigate how animacy interacts with givenness during topic processing. Both animacy and givenness have been considered as within-discourse factors that contribute to an element׳s potential to form an optimal topic (i.e., topic-worthiness). ERPs were recorded while participants read question-answer pairs, of which the target sentence induced either a continuation or an alternation of a previously introduced topic (i.e., given vs. new). Depending on the context, a potential topic further differed in its animacy from the preceding one (i.e., animate vs. inanimate). The data revealed a robust givenness effect with an N400 reduction for given over new information across all conditions, substantiating the assumption that the N400 amplitude varies with the degree of context-based expectation. The resulting N400 effect was found independently of animacy. More strikingly, we also observed that givenness interacts with animacy in modulating the subsequent Late Positivity effect, which has been suggested to reflect internal discourse structuring effort and updating. A more pronounced Late Positivity was consistently elicited when a less prominent entity competed for topichood. Most crucially, the present research provides first electrophysiological evidence indicating that animacy outweighs givenness as a heuristic cue in determining the degree of topic-worthiness.


Assuntos
Encéfalo/fisiologia , Comunicação , Compreensão/fisiologia , Formação de Conceito/fisiologia , Adulto , Potenciais Evocados , Feminino , Humanos , Masculino , Adulto Jovem
9.
J Mem Lang ; 71(1)2014 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-24376304

RESUMO

Three experiments examined the effect of contextual givenness on eye movements in reading, following Schwarzschild's (1999) analysis of givenness and focus-marking in which relations among entities as well as the entities themselves can be given. In each study, a context question was followed by an answer in which a critical word was either given, new, or contrastively (correctively) focused. Target words were read faster when the critical word provided given information than when it provided new information, and faster when it provided new information than when it corrected prior information. Repetition of target words was controlled in two ways: by mentioning a non-given target word in the context in a relation other than that in which it occurred as a target, and by using a synonym or subordinate of a given target to refer to it in the context question. Verbatim repetition was not responsible for the observed effects of givenness and contrastiveness. Besides clarifying previous inconsistent results of the effects of focus and givenness on reading speed, these results indicate that reading speed can be influenced essentially immediately by a reader's discourse representation, and that the extent of the influence is graded, with corrections to a representation having a larger effect than simple additions.

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