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11.
Peter Assmann Will Ballard Laurie Bornstein Dwayne Paschall 《Behavior research methods》1994,26(4):431-436
In this report we describe a graphical interface for generating voiced speech using a frequency-domain implementation of the Klatt (1980) cascade formant synthesizer. The input to the synthesizer is a set of parameter vectors, calledtracks, which specify the overall amplitude, fundamental frequency, formant frequencies, and formant bandwidths at specified time intervals. Tracks are drawn with the aid of a computer mouse that can be used either inpoint-draw mode, which selects a parameter value for a single time frame, or inline-draw mode, which uses piecewise linear interpolation to connect two user-selected endpoints. Three versions of the program are described: (1) SYNTH draws tracks on an empty time-frequency grid, (2) SPECSYNTH creates a spectrogram of a recorded signal upon which tracks can be superimposed, and (3) SWSYNTH is similar to SPECSYNTH, except that it generatessine-wave speech (Remez, Rubin, Pisoni, & Carrell, 1981) using a set of time-varying sinusoids rather than cascaded formants. The program is written for MATLAB, an interactive computing environment for matrix computation. Track-Draw provides a useful tool for investigating the perceptually salient properties of voiced speech and other sounds. 相似文献
12.
Will A. C. Spijkers Petra Wallmeyer Jos J. Adam Fred G. W. C. Paas Martinus J. Buekers Irina J. Wuyts 《Psychological research》1996,59(2):107-118
Two experiments are reported in which, by means of a pointing task, we studied the stimulus-position effect, i.e. the inverted U-shape form of the reaction-time function in relation to stimulus position in tasks in which stimuli and/or responses are arranged in a horizontal array. The response consisted of aiming the index finger from a central starting point at a target area on a screen. Reaction time was the main dependent variable. The spatial relation between the position of the imperative signal and the position of the response was manipulated by varying the spatial S-R compatibility and physical distance that separated the positions of stimulus and response. The stimulus-position effect was shown to depend on the compatibility of the S-R relation (Exp. 1). In Exp. 2 it was found that the modulation of the stimulus-position effect by spatial compatibility disappeared completely when the distance between the positions of stimulus and response was reduced. None of the experiments revealed that the stimulus position effect depended on signal discriminability, which renders an interpretation of this effect in terms of perceptual processes unlikely. We argue that the attentional model of spatial coding provides the most reasonable explanation of the obtained reaction-time patterns. 相似文献
13.
Small MA 《Behavioral sciences & the law》1991,9(2):179-188
Of federal programs available, Medicaid offers the greatest potential for serving children's mental health needs. Obstacles to children receiving services through Medicaid are largely determined by a state's policy of regulating services. State policies affect the delivery of mental health services for children in two ways: first, by determining which services to make available, and second, by specifying the conditions of access to those services. Accordingly, this article focuses on obstacles within states' policies that prevent effective utilization of services by children. Specifically, states' choices of eligibility criteria, services, and the procedural obstacles present within payment options are examined. Suggestions for future research are made. 相似文献
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This study compares two instruments which have recently been devised to measure sex-role identification, Heilbrun's Masculinity and Femininity Scales and the Bem Sex-Role Inventory. Correlations between the masculine and feminine scales of these instruments were significant for male but not female subjects; intrascale comparisons found no relationship between the Bem scales but moderate correlations between the Heilbrun scales for male subjects. There was agreement between the two measures in classifying approximately 47% of the subjects into one of the four sex-role categories. Misclassification occurred primarily on categories which have been found to show considerable overlap in personality characteristics. 相似文献
16.
Studia Logica - Through a series of examples, we illustrate some important drawbacks that the action model logic framework suffers from in its ability to represent the dynamics of information... 相似文献
17.
Will Cohen 《International Journal of Systematic Theology》2021,23(1):11-24
The article explores whether the Orthodox Council of Crete (2016) resolved longstanding tensions within Orthodoxy over ecumenism. The article first attempts to pinpoint the substance of the disagreement. The anti‐ecumenist position, the article claims, rests on a dogmatic belief that a communion formally separated from the Orthodox Church can only continue to lose grace and the ecclesial gifts of the Spirit, while ecumenists hold that another communion might recover or increase in such gifts even prior to formal reunification with Orthodoxy. The article then explores the much‐disputed use of the word ‘church’ for other Christian communions in the document ‘Relations of the Orthodox Church with the Rest of the Christian World’. If it is true, as many on both sides of the controversy have suggested, that the Council formally affirmed the pro‐ecumenist position, does this make anti‐ecumenism a no longer viable Orthodox stance? This depends on the Council’s status, a further contested matter on which the article concludes with some tentative reflections. 相似文献
18.
James Brielle T. Webster Mackenzie F. Menzel Charles R. Whitham Will Beran Michael J. 《Animal cognition》2020,23(5):861-869
Animal Cognition - Errors of source monitoring are widespread human memory challenges, and our memories are subject to distortion upon the presentation of subsequent misinformation. Less is known... 相似文献
19.
Brasic JR Barnett JY Will MV Nadrich RH Sheitman BB Ahmad R Mendonca Mde F Kaplan D Brathwaite C 《CNS spectrums》2000,5(12):19-22
Autistic disorder and catatonia are neuropsychiatric syndromes defined by impairments in social interaction, communication, and restricted, stereotypical motor routines. Assessments of children with these disorders are typically restricted in scope by the patients' limited ability to comprehend directions. The authors performed systematic assessments of dyskinesias on six prepubertal boys with autistic disorder and mental retardation and on one adolescent male with catatonia to determine if this type of information could be routinely obtained. The boys with autistic disorder had more stereotypies and tics, a greater degree of akathisia and hyperactivity, and more compulsions than the adolescent with catatonia. Catatonia was associated with catalepsy and dystonic postures. The authors conclude that the diagnostic accuracy and specificity of neuropsychiatric syndromes may be enhanced by the systematic assessment of the dyskinesias associated with each condition. 相似文献
20.
Sentence processing in Alzheimer's disease (AD) has been found to be influenced by several grammatical and extragrammatical factors, including phrase structure and verb-argument relations, number of propositions/verbs, and processing resource capacity. This study examines the effects of these variables on sentence production in AD. Normal control and AD subjects were asked to repeat six types of sentences varying along the above dimensions of complexity. Subjects' processing resource capacity was measured using several verbal working memory tests. AD subjects' sentence-repetition performance was impaired compared to the normal control group. Significant effects were observed for branching direction of phrase structure, canonicity of verb-argument relations, and serial position of errors. Sentence-repetition performance significantly correlated with working memory scores. The findings are interpreted within a resource capacity theory of sentence processing. 相似文献