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51.
Neonates (M age = 16 days) born to depressed and non-depressed mothers were randomly assigned to hear an audiotaped lullaby of instrumental music with vocals or without vocals. Neonatal EEG and EKG were recorded for 2 min (baseline) of silence and for 2 min of one or the other music presentation. Neonates of non-depressed mothers showed greater relative right frontal EEG asymmetry to both types of music, suggesting a withdrawal response. Neonates of depressed mothers on the other hand showed greater relative left frontal EEG asymmetry to the instrumental without vocal segment, suggesting an approach response, and greater relative right frontal EEG asymmetry to the instrumental with vocal segment, suggesting a withdrawal response. Heart rate decelerations occurred following the music onset for both groups of infants, however, compared to infants of non-depressed mothers, infants of depressed mothers showed a delayed heart rate deceleration, suggesting slower processing and/or delayed attention. These findings suggest that neonates of depressed and non-depressed mothers show different EKG and EEG responses to instrumental music with versus without vocals. 相似文献
52.
Moderate versus light pressure massage therapy leads to greater weight gain in preterm infants 总被引:2,自引:0,他引:2
Field T Diego MA Hernandez-Reif M Deeds O Figuereido B 《Infant behavior & development》2006,29(4):574-578
Sixty-eight preterm infants (M GA = 30 weeks) were randomly assigned to a moderate or to a light pressure massage therapy group to receive 15 massages three times per day for 5 days. Behavior state, stress behaviors and heart rate were recorded for 15 min before and during the first 15-min therapy session. Weight gain was recorded over the 5-day therapy period. The moderate versus light pressure massage group gained significantly more weight per day. During the behavior observations the moderate versus light pressure massage group showed significantly lower increases from the pre-session to the session recording on: (1) active sleep; (2) fussing; (3) crying; (4) movement; and (5) stress behavior (hiccupping). They also showed a smaller decrease in deep sleep, a greater decrease in heart rate and a greater increase in vagal tone. Thus, the moderate pressure massage therapy group appeared to be more relaxed and less aroused than the light pressure massage group which may have contributed to the greater weight gain of the moderate pressure massage therapy group. 相似文献
53.
Performance finding a target improves when artificial cues direct covert attention to the target's probable location or locations, but how do predictive cues help observers search for objects in real scenes? Controlling for target detectability and retinal eccentricity, we recorded observers' first saccades during search for objects that appeared in expected and unexpected locations within real scenes. As has been found with synthetic images and cues, accuracy of first saccades was significantly higher when the target appeared at an expected location rather than an unexpected location. Observers' saccades with target-absent images make it possible to distinguish two mechanisms that might mediate this effect: limited attentional resources versus differential weighting of information (Bayesian priors). Endpoints of first saccades in target-absent images were significantly closer to the expected than the unexpected locations, a result consistent with the differential-weighting model and inconsistent with limited resources being the sole mechanism underlying the effect. 相似文献
54.
Nicole C. Groskreutz Allen Karsina Caio F. Miguel Mark P. Groskreutz 《Journal of applied behavior analysis》2010,43(1):131-136
Six participants with autism learned conditional relations between complex auditory‐visual sample stimuli (dictated words and pictures) and simple visual comparisons (printed words) using matching‐to‐sample training procedures. Pre‐ and posttests examined potential stimulus control by each element of the complex sample when presented individually and emergence of additional conditional relations and oral labeling. Tests revealed class‐consistent performance for all participants following training. 相似文献
55.
Angélica S. Gutiérrez Miguel M. Unzueta 《Journal of experimental social psychology》2010,46(5):775-784
This paper examines the effect of interethnic ideologies on the likability of stereotypic vs. counterstereotypic minority targets. In two experiments, participants were exposed to either a multicultural or colorblind prime and subsequently asked to indicate their impressions of a stereotypic or counterstereotypic minority target. Results suggest that multiculturalism and colorblindness have different effects on the likability of minority targets to the extent that such targets confirm the existence of fixed or permeable ethnic group boundaries. Specifically, a stereotypic target was liked more than a counterstereotypic target when participants were exposed to multiculturalism - suggesting that multiculturalism creates a preference for individuals who remain within the boundaries of their ethnicity. Conversely, a counterstereotypic target was liked more than a stereotypic target when participants were exposed to colorblindness - suggesting that colorblindness creates a preference for individuals who permeate the boundaries of their ethnicity. Theoretical and practical implications are discussed. 相似文献
56.
The main goal of this study, based on regulatory focus theory, is to assess the effects of the reward structure on the defensive strategy of handball teams. The results show that (a) a promotional defensive strategy is more often preferred in the second half of the second half-time than in any other game period and (b) second-division coaches are more likely to put their players in regulatory fit situations than are first-division coaches, and could, thus, be more influenced by affordance situations than first-division coaches, who would be more concerned with the ratio of strength between the teams. 相似文献
57.
Ernest M. Weiler Bharti Katbamna Nita Nileshwar Angel Dell'Aira 《The Journal of general psychology》2013,140(4):411-421
The present study examined the similarities between four auditory adaptation techniques to determine whether the effects were correlated. The four adaptation techniques compared were: Simultaneous Dichotic Loudness Balance technique (SDLB; Hood, 1950), Magnitude Estimated Binaural technique (MEB; Botté, Canévet, & Scharf, 1982), Magnitude Estimated Monaural technique, (MEM; Weiler, Sandman, & Pederson, 1981), and the Monaural Reaction Time technique (RT; Davis & Weiler, 1976). Results did not show significant correlations between the four techniques, except (r = 0.39) between MEB and MEM procedures. This correlation was much less than the reliability of the measures would allow (r = 0.98 and r = 0.99, respectively). Thus, it appears that the different methods either produced different adaptation effects or measured different aspects of auditory adaptation. The normal ear apparently shows several forms of adaptation, which reduces the perceptual strength of a continuing stimulus, in favor of an intermittent, less redundant one. 相似文献
58.
ABSTRACTMost academic literature is based on experiences of gang members in developed countries. This article explores the mechanisms of desistance among street gangs in El Salvador. Gangs in this Central American nation, which include MS-13 and the 18th Street gang, are known for complex structures and their transnational reach. Based on a survey with nearly 1,200 gang members and former gang members in El Salvador and 24 in-depth interviews with former gang members in rehabilitation programs, this study finds that the characteristics of the gang organization play a more significant role in the ways individuals exit the gangs in extremely violent contexts. It also shows that a religious experience is the most frequent mechanism to leave the group because it provides a safer alternative in those contexts. 相似文献
59.
Miguel Perez Pereira 《Estudios de Psicología》2013,34(33-34):5-10
RESUMENEl autor comienza explicando los factores que motivaron su interés por la psicolingüística evolutiva a principios de los sesenta. Tras exponer brevemente cuál es la significación del estudio del lenguje en la comprensión global del sujeto humano y justificar su atención a la adquisición de lenguas altamente inflexionales como el ruso o el turco, Slobin nos habla extensamente del Berkeley Crosslinguistic Acquisition Project (“Proyecto translingüístico sobre adquisición de Berkeley”), del cual fue uno de los máximos inspiradores. El autor aborda, además, cuestiones relativas a su teoría de la Gramática Básica Infantil, la síntesis de sus Principios Operativos para la adquisición del lenguaje o la posibilidad de aproximar las concepciones de Piaget y Chomsky. La última parte se reserva para las tendencias teóricas y de investigación que considera prometedoras en este campo, finalizando con algunas reflexiones en torno a la situación multilingüe de España y el estudio de la adquisición del lenguaje. Los comentarios de Miguel Pérez Pereira acerca de este importante investigador de la psicolingüística evolutiva introducen la entrevista. 相似文献
60.
RESUMENBronckart comienza revisando su trayectoria científica y explicando cuáles son sus dos enfoques básicos: el análisis del contexto o de situaciones y el análisis del lenguaje en función de sus operaciones subyacentes definidas en el marco de las teorías de la enunciación. Seguidamente justifica su renuncia a posiciones estructuralistas porque no tienen en cuenta el problema de las relaciones funcionales ni prestan atención al contexto. El autor relaciona las operaciones psicológicas con universales funcionales diferenciándolos de los estructurales de Chomsky y del enfoque de Searle, defendiendo su interés por la lingüística comparativa. Seguidamente aborda el tema de análisis de textos en ambientes escolares, sugiriendo que hay que sensibilizar a los educadores sobre el hecho de que constantemente estamos en situaciones de comunicación que van cambiando y crear instrumentos para que puedan analizar su propia práctica. Con relación al aspecto cognitivo del lenguaje, enfatiza la proliferación excesiva de los enfoques representativos y seguidamente desarrolla qué entiende por especificidad de la naturaleza del lenguaje y de su carácter comunicativo. Esta entrevista aborda, además, cuestiones tales como el fenómeno presuposicional, las aportaciones de Vygotsky o las experiencias de enseñar lenguaje a chimpancés, y finaliza planteando algunos aspectos de la teoría de Culioli. 相似文献