The role of distributional information in cross-talker generalization of phonetic category retuning

2018 ◽  
Vol 144 (3) ◽  
pp. 1726-1726
Author(s):  
Christina Tzeng ◽  
Lynne C. Nygaard
Keyword(s):  
Phonetic Category ◽  
Distributional Information

scholarly journals Linking the neural basis of hierarchical prediction with statistical learning: The paradox of attention

2021 ◽  
Author(s):  
Julie M. Schneider ◽  
Yi-Lun Weng ◽  
Anqi Hu ◽  
Zhenghan Qi
Keyword(s):  
Statistical Learning ◽  
Learning Task ◽  
Prediction Errors ◽  
Neural Basis ◽  
Attentional Shift ◽  
Cortical Responses ◽  
Distributional Information ◽  
Segmentation Task ◽  
Dependent Learning

Statistical learning, the process of tracking distributional information and discovering embedded patterns, is traditionally regarded as a form of implicit learning. However, recent studies proposed that both implicit (attention-independent) and explicit (attention-dependent) learning systems are involved in statistical learning. To understand the role of attention in statistical learning, the current study investigates the cortical processing of prediction errors in speech based on either local or global distributional information. We then ask how these cortical responses relate to statistical learning behavior in a word segmentation task. We found ERP evidence of pre-attentive processing of both the local (mismatching negativity) and global distributional information (late discriminative negativity). However, as speech elements became less frequent and more surprising, some participants showed an involuntary attentional shift, reflected in a P3a response. Individuals who displayed attentive neural tracking of distributional information showed faster learning in a speech statistical learning task. These results provide important neural evidence elucidating the facilitatory role of attention in statistical learning.

Learning to assign stress in a second language: The role of second-language vocabulary size and transfer from the native language in second-language readers of Italian

2020 ◽  
Vol 24 (1) ◽  
pp. 124-136
Author(s):  
Giacomo Spinelli ◽  
Luciana Forti ◽  
Debra Jared
Keyword(s):  
Second Language ◽  
Native Speakers ◽  
Native Language ◽  
Stress Pattern ◽  
Vocabulary Size ◽  
Stress Assignment ◽  
Chinese Speakers ◽  
Distributional Information ◽  
Written Word

AbstractLearning to pronounce a written word implies assigning a stress pattern to that word. This task can present a challenge for speakers of languages like Italian, in which stress information must often be computed from distributional properties of the language, especially for individuals learning Italian as a second language (L2). Here, we aimed to characterize the processes underlying the development of stress assignment in native English and native Chinese speakers learning L2 Italian. Both types of bilinguals produced evidence supporting a role of vocabulary size in modulating the type of distributional information used in stress assignment, with an early bias for Italian's dominant stress pattern being gradually replaced by use of associations between orthographic sequences and stress patterns in more advanced bilinguals. We also obtained some evidence for a transfer of stress assignment habits from the bilinguals’ native language to Italian, although only in English native speakers.

scholarly journals Adults adapt to child speech in semantic use

2021 ◽  
Author(s):  
Guanghao You ◽  
Moritz M. Daum ◽  
Sabine Stoll
Keyword(s):  
First Language ◽  
Time Lag ◽  
Striking Similarity ◽  
First Language Acquisition ◽  
Distributional Semantics ◽  
Semantic Learning ◽  
Distributional Information ◽  
Semantic Adaptation ◽  
Child Speech

Children acquire their first language while interacting with adults in a highly adaptive manner. While adaptation occurs at many linguistic levels such as syntax and speech complexity, semantic adaptation remains unclear due to the difficulty of efficient meaning extraction. In this study, we examine the adaptation of semantics with a computational approach based on distributional information. We show that adults, in their speech addressed to children, adapt their distributional semantics to that in the speech children produce. By analyzing semantic representations modeled from the Manchester corpus, a large longitudinal acquisition corpus of English, we find striking similarity of semantic development between child and child-directed speech, with a slight time lag in the latter. These findings provide strong evidence for the semantic adaptation in first language acquisition and suggest the important role of child-directed speech in semantic learning.

scholarly journals On the role of assumptions in cladistic biogeographical analyses

2011 ◽  
Vol 51 (19) ◽  
pp. 295-306 ◽  
Author(s):  
Charles Morphy Dias dos Santos
Keyword(s):  
Component Analysis ◽  
Parsimony Analysis ◽  
Theoretical Terms ◽  
Hypothetical Scenario ◽  
Distributional Information

The biogeographical Assumptions 0, 1, and 2 (respectively A0, A1 and A2) are theoretical terms used to interpret and resolve incongruence in order to find general areagrams. The aim of this paper is to suggest the use of A2 instead of A0 and A1 in solving uncertainties during cladistic biogeographical analyses. In a theoretical example, using Component Analysis and Primary Brooks Parsimony Analysis (primary BPA), A2 allows for the reconstruction of the true sequence of disjunction events within a hypothetical scenario, while A0 adds spurious area relationships. A0, A1 and A2 are interpretations of the relationships between areas, not between taxa. Since area relationships are not equivalent to cladistic relationships, it is inappropriate to use the distributional information of taxa to resolve ambiguous patterns in areagrams, as A0 does. Although ambiguity in areagrams is virtually impossible to explain, A2 is better and more neutral than any other biogeographical assumption.

Role of dactinomycin in the improved survival of children with Wilms' tumor

JAMA ◽  
1966 ◽  
Vol 195 (12) ◽  
pp. 1005-1009 ◽  
Author(s):  
D. J. Fernbach
Keyword(s):  
Wilms Tumor

Role of the allergist in diagnosis and management of patients with uveitis

JAMA ◽  
1966 ◽  
Vol 195 (3) ◽  
pp. 167-172 ◽  
Author(s):  
T. E. Van Metre
Keyword(s):  
Diagnosis And Management

The power of norms to sway fused group members

2018 ◽  
Vol 41 ◽  
Author(s):  
Winnifred R. Louis ◽  
Craig McGarty ◽  
Emma F. Thomas ◽  
Catherine E. Amiot ◽  
Fathali M. Moghaddam
Keyword(s):  
Evolutionary Anthropology ◽  
Normative Systems ◽  
Violent Extremism ◽  
Identity Fusion ◽  
Group Members

AbstractWhitehouse adapts insights from evolutionary anthropology to interpret extreme self-sacrifice through the concept of identity fusion. The model neglects the role of normative systems in shaping behaviors, especially in relation to violent extremism. In peaceful groups, increasing fusion will actually decrease extremism. Groups collectively appraise threats and opportunities, actively debate action options, and rarely choose violence toward self or others.

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