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311.
312.
Ana Fl Perrine Brusini Francesco Macagno Marina Nespor Jacques Mehler Alissa L. Ferry 《Developmental science》2019,22(4)
Before infants can learn words, they must identify those words in continuous speech. Yet, the speech signal lacks obvious boundary markers, which poses a potential problem for language acquisition (Swingley, Philos Trans R Soc Lond. Series B, Biol Sci 364 (1536), 3617–3632, 2009). By the middle of the first year, infants seem to have solved this problem (Bergelson & Swingley, Proc Natl Acad Sci 109 (9), 3253–3258, 2012; Jusczyk & Aslin, Cogn Psychol 29 , 1–23, 1995), but it is unknown if segmentation abilities are present from birth, or if they only emerge after sufficient language exposure and/or brain maturation. Here, in two independent experiments, we looked at two cues known to be crucial for the segmentation of human speech: the computation of statistical co‐occurrences between syllables and the use of the language's prosody. After a brief familiarization of about 3 min with continuous speech, using functional near‐infrared spectroscopy, neonates showed differential brain responses on a recognition test to words that violated either the statistical (Experiment 1) or prosodic (Experiment 2) boundaries of the familiarization, compared to words that conformed to those boundaries. Importantly, word recognition in Experiment 2 occurred even in the absence of prosodic information at test, meaning that newborns encoded the phonological content independently of its prosody. These data indicate that humans are born with operational language processing and memory capacities and can use at least two types of cues to segment otherwise continuous speech, a key first step in language acquisition. 相似文献
313.
Beatriz Diuk Juan Pablo Barreyro Marina Ferroni Milagros Mena Francisca Serrano 《Journal of cognition and development》2019,20(1):75-95
Reading difficulties of children growing up in poverty contexts have not received as much attention as those of children from middle-income families. This paper analyzes the reading-related cognitive profiles of Argentine, Spanish-speaking, low-SES children with reading difficulties (RD), by comparing them with chronological age- (CA) and reading age- (RA) matched children from the same socioeconomic background. Ninety children (30 in each group) participated in the study. Testing included reading, spelling, verbal memory, phonological sensitivity, rapid naming, letter knowledge, and vocabulary measures. Results showed that children from the RD group performed significantly worse than their same-age peers. These findings would suggest the presence of a cognitive vulnerability in children with reading difficulties. Interestingly, when compared with children from the RA-matched control group, children in the RD group only obtained significantly lower scores in phoneme segmentation and letter-sound recognition tasks. Cognitive profiles of low-income children growing in poverty differ from cognitive profiles described for middle-income children with dyslexia. Given that teaching of letter sounds is not included in Argentina’s mandatory curriculum, it is possible that letter-sound teaching constitutes an environmental factor that interacts with other risk factors to produce reading difficulties in poverty contexts. 相似文献
314.
To what extent can language acquisition be explained in terms of different associative learning mechanisms? It has been hypothesized that distributional regularities in spoken languages are strong enough to elicit statistical learning about dependencies among speech units. Distributional regularities could be a useful cue for word learning even without rich language‐specific knowledge. However, it is not clear how strong and reliable the distributional cues are that humans might use to segment speech. We investigate cross‐linguistic viability of different statistical learning strategies by analyzing child‐directed speech corpora from nine languages and by modeling possible statistics‐based speech segmentations. We show that languages vary as to which statistical segmentation strategies are most successful. The variability of the results can be partially explained by systematic differences between languages, such as rhythmical differences. The results confirm previous findings that different statistical learning strategies are successful in different languages and suggest that infants may have to primarily rely on non‐statistical cues when they begin their process of speech segmentation. 相似文献
315.
Cristina Cabras Giorgia Loi Cristina Sechi Marina Mondo 《Mental health, religion & culture》2017,20(8):800-811
Adolescence is a time of rapid physical, neurological, and cognitive transformations, as well as shifts in relationships through the development of new roles across social domains. As an outcome of such transformations, adolescents may become vulnerable to mental-health problems during this period. Therefore, it is important to focus on predictors of mental-health problems to identify effective prevention strategies. This study examined the mediating role of propensity to forgive in the relationship amongst mood and mental health in a sample of female Italian students who consisted of 342 nonreferred adolescents. Participants completed the Positive Affect-Negative Affect Schedule-Short Form, the Heartland Forgiveness Scale, and the General Health Questionnaire. The mediation analysis results suggest that mood has a direct effect on mental-health problems and an indirect effect through propensity to forgive. The results suggest the importance of considering implementing education programmes and forgiveness interventions within clinical practice as a means of reducing mental-health problems. 相似文献
316.
Sometimes, individuals must choose between acting in a way that satisfies their own desire or acting in a way that satisfies their partner's desire. What are the consequences of choosing one over the other for individuals' well‐being and relationship? Using experience sampling data (934 reports by 106 participants) that assessed daily decision conflicts in relationships, we examined consequences of partner‐satisfying decisions. A higher proportion of partner‐satisfying decisions predicted more perceived needs fulfillment and marginally higher perceived relationship quality over the course of a week. Additionally, immediately after the partner‐satisfying decision, participants reported feeling closer to their partner, and reported more positive and less negative affect, even when controlling for the quality of the relationship. 相似文献
317.
Patricia J. Bauer Rebekah Stewart Ruth E. Sirkin Marina Larkina 《Memory (Hove, England)》2017,25(8):1089-1109
Retention of events typically exhibits a sharp initial decrease followed by levelling off of forgetting. In an apparent exception to this general rule, college students have robust memory for their own locations in obscured versions of photographs of their entering classes taken during orientation-related activities, whether tested 2 months or 42 months after the event. Experiment 1 of the present research was a test for conceptual replication of this finding in photographs depicting more than twice the number of students (and thus potential distracters). There was no difference in memory accuracy for personal spatial location across retention intervals of 6–30 months. Experiment 2 featured 40-h and 2-month retention intervals, thereby providing a more fine-grained test of the forgetting function. The findings replicated Experiment 1. In Experiment 3, eye-tracking measures of visual attention revealed that participants rapidly fixated their own spatial locations within the photographs, even in the absence of explicit awareness. In all three experiments, memory for temporal features of the orientation activities (e.g., day and time the photograph was taken) followed the typical forgetting function. The findings suggest differential preservation of episodic memory for where relative to other aspects of events and experiences, such as when. 相似文献
318.
Marina A. L. Oshana 《The Journal of Ethics》1998,2(3):261-276
Mainstream accounts of responsible agency either overlook or discount wanton agents as plausible candidates for responsible agency. This is largely due to the compatibilist project of such accounts, and to their deemphasis of historical and modal considerations. I argue that wantons – those who are indifferent to the desires that move them to act – can and ought to be counted as responsible agents. Indeed, they deserve special blame for the acts of wrong doing that issue from their wanton behavior. 相似文献
319.
Toward a Model of Neuropsychological Activity 总被引：3，自引：0，他引：3
The main purpose of this research was to establish the intercorrelations existing among different psychological and neuropsychological test scores in a normal and homogenous population. A second purpose was to attempt further step in the component analysis of cognitive activity measured by means of neuropsychological tests. A comprehensive neuropsychological test battery was assembled and individually administered to a 300-subject sample, aged 17–25 years-old. All of them were right-handed male university students. The battery included some basic neuropsychological tests directed to assess language, calculation abilities, spatial cognition, praxic abilities, memory, perceptual abilities, and executive functions. In addition, the Wechsler Adult Intelligence Scale was administered. Forty-one different scores were calculated. Correlations among the different test scores were analyzed. It was found that some of the tests presented a quite complex intecorrelation system, whereas other tests presented few or no significant correlations. Mathematical ability tests and orthography knowledge represented the best predictors of Full Scale IQ. A factor analysis with varimax rotation disclosed five factors (verbal, visuoperceptual, executive function, fine movements, and memory) accounting for 63.6% of the total variance. Implications of these results for a neuropsychological model about brain organization of cognition were analyzed. 相似文献
320.
Cognitive Processing - In the present study, we investigated how positive mood affects the formation of time-based event expectancies. After positive or neutral mood inductions, participants... 相似文献