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In order to evaluate hypotheses regarding production constraints on final consonants in babbling, 721 utterance-final consonants produced by 6 infants in consonant-vowel-consonant (CVC) syllables were examined and compared with the preceding consonant in the CVC. Consistent with earlier studies, major patterns were observed for each of the three main consonantal properties--place and manner of articulation and voicing. These patterns included a strong tendency for final consonants to repeat the place of articulation of nonfinal consonants and a tendency for relatively more fricative, nasal and voiceless consonants to occur in final position than in nonfinal position. The high frequency with which final consonants shared place of articulation with the preceding consonant was considered to reflect 'frame dominance' or the tendency of a relatively constant mandibular cycle (the frame) to determine the structure of utterances with very little contribution from other active articulators. The manner and voicing effects were attributed to an overall terminal energy decrease in the vocal production system. 相似文献
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Tested the hypothesis that dream salience (subjective impact of the generated dream) would be greater for frequent than infrequent dream recallers. Dream recall data from 8 frequent and 8 infrequent recallers (male undergraduates) were obtained under 2 conditions: tape-recorded verbal reports given to the E after interruption of rapid eye movement (REM) sleep and written diary reports after awakening by alarm clock in the absence of the E. Analysis of the verbal reports confirmed the hypothesis. The relatively greater difference between the 2 groups in mean percentage of dream diary recall for Stage 2 (non rapid eye movement; NREM) than for REM awakenings suggests that salience differences between the 2 groups may be greater following NREM than REM awakenings. Although salience may be affected by dream recall as well as dream generation processes (imagery ability seems related to both), the higher frequency of temporal references to past and future in the dreams of frequent recallers appears to relate to the generation process alone. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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Is hemispheric specialization for speech more closely related to left hemisphere specialization for manual skill and sequencing, as is usually supposed, or to control of asymmetries in whole body posture, as recent findings of right-handedness in nonhuman primates suggest? This question can be evaluated in the 10% of humans who have mixed handedness and footedness. Footedness entails postural asymmetry, and persons with mixed limb preferences often prefer the hand ipsilateral to the preferred foot in asymmetrical actions for which whole body postural adjustments are obligatory (e.g., throwing). The dichotic listening test, an indicator of language laterality, was administered to 4 groups of 48 persons with the 4 possible combinations of hand and foot preference. As in 2 past studies, language lateralization was somewhat more strongly related to postural asymmetries than to asymmetries in manual skill and sequencing. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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MacNeilage Peter F.; Cohen David B.; MacNeilage Linda A. 《Canadian Metallurgical Quarterly》1972,39(2):341
Conducted a series of 4 studies assessing the relationship between reported frequency of sleep-talking and dream recall. Ss, with high and low frequency of sleep-talking, indicated dream-recall frequency on an 8-step scale or a diary checklist. The association between dream recall frequency and sleep talking was significant (p 相似文献
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