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This study investigated global versus local pitch pattern perception in children with dyslexia aged between 8 and 11 years. Children listened to two consecutive 4-tone pitch sequences while performing a same/different task. On the different trials, sequences either preserved the contour (local condition) or they violated the contour (global condition). Compared to normally developing children, dyslexics showed robust pitch perception deficits in the local but not the global condition. This finding was replicated in a simple pitch direction task, which minimizes sequencing and short term memory. Results are consistent with a left-hemisphere deficit in dyslexia because local pitch changes are supposedly processed by the left hemisphere, whereas global pitch changes are processed by the right hemisphere. The present data suggest a link between impaired pitch processing and abnormal phonological development in children with dyslexia, which makes pitch pattern processing a potent tool for early diagnosis and remediation of dyslexia. 相似文献
113.
Catherine A. Salmon Todd K. ShackelfordRichard L. Michalski 《Personality and individual differences》2012,52(3):357-362
Many studies have examined factors that influence discriminative parental solicitude. Sex, birth order, and age of the mother are a few factors demonstrated to influence levels of parental investment (especially as measured by offspring self-report). One indicator of a high level of parental investment is being a parental favorite. Using self-reports from a sample of several hundred young adults, we secured support for two hypotheses related to the influence of birth order and sex on parental favoritism. Fathers are not perceived as having a favorite child more often than are mothers, but are more likely to favor female children than are mothers. Mothers are perceived to be more likely to favor female children in blended sibships. Both mothers and fathers are perceived as favoring genetically-related children. The results also suggest that the birth order of the parental favorite varies with the birth order of the participant. Firstborns and lastborns report a pattern of favoritism that suggests parents favor firstborn and lastborn children. The discussion addresses limitations of the methodology and presents directions for future research. 相似文献
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Carrying objects requires coordination of manual action and locomotion. This study investigated spontaneous carrying in 24 walkers who were 13 months old and 26 crawlers who were 13 months old during 1-hr, naturalistic observations in the infants' homes. Carrying was more common in walkers, but crawlers also carried objects. Typically, walkers carried objects in their hands, whereas crawlers multitasked by using their hands simultaneously for holding objects and supporting their bodies. Locomotor experience predicted frequency of carrying in both groups, suggesting that experienced crawlers and walkers perceive their increased abilities to handle objects while in motion. Despite additional biomechanical constraints imposed by holding an object, carrying may actually improve upright balance: Crawlers rarely fell while carrying an object, and walkers were more likely to fall without an object in hand than while carrying. Thus, without incurring an additional risk of falling, spontaneous carrying may provide infants with new avenues for combining locomotor and manual skills and for interacting with their environments. 相似文献
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Seamon JG Bohn JM Coddington IE Ebling MC Grund EM Haring CT Jang SJ Kim D Liong C Paley FM Pang LK Siddique AH 《Journal of experimental psychology. Learning, memory, and cognition》2012,38(4):1045-1056
Research from the adaptive memory framework shows that thinking about words in terms of their survival value in an incidental learning task enhances their free recall relative to other semantic encoding strategies and intentional learning (Nairne, Pandeirada, & Thompson, 2008). We found similar results. When participants used incidental survival encoding for a list of words (e.g., "Will this object enhance my survival if I were stranded in the grasslands of a foreign land?"), they produced better free recall on a surprise test than did participants who intentionally tried to remember those words (Experiment 1). We also found this survival processing advantage when the words were presented within the context of a survival or neutral story (Experiment 2). However, this advantage did not extent to memory for a story's factual content, regardless of whether the participants were tested by cued recall (Experiment 3) or free recall (Experiments 4-5). Listening to a story for understanding under intentional or incidental learning conditions was just as good as survival processing for remembering story content. The functionalist approach to thinking about memory as an evolutionary adaptation designed to solve reproductive fitness problems provides a different theoretical framework for research, but it is not yet clear if survival processing has general applicability or is effective only for processing discrete stimuli in terms of fitness-relevant scenarios from our past. 相似文献
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Lindsey A. Short Alexandra J. Hatry Catherine J. Mondloch 《Journal of experimental child psychology》2011,108(2):338-357
The current research investigated the organization of children’s face space by examining whether 5- and 8-year-olds show race-contingent aftereffects. Participants read a storybook in which Caucasian and Chinese children’s faces were distorted in opposite directions. Before and after adaptation, participants judged the normality/attractiveness of expanded, compressed, and undistorted Caucasian and Chinese faces. The method was validated with adults and then refined to test 8- and 5-year-olds. The 5-year-olds were also tested in a simple aftereffects paradigm. The current research provides the first evidence for simple attractiveness aftereffects in 5-year-olds and for race-contingent aftereffects in both 5- and 8-year-olds. Evidence that adults and 5-year-olds may possess only a weak prototype for Chinese children’s faces suggests that Caucasian adults’ prototype for Chinese adult faces does not generalize to child faces and that children’s face space undergoes a period of increasing differentiation between 5 and 8 years of age. 相似文献
119.
This paper examines memory for collective apologies. Our interest was in determining whether people are aware of intergroup apologies and whether this contributes to forgiveness for offending groups. Surveys conducted in three nations affected by Japanese World War II aggression found that participants were more likely to believe (incorrectly) that Japan had not apologized for WWII than to believe (correctly) that they had (Study 1). In contrast, participants were eight times more likely to believe that a corporation had apologized for misconduct than to (correctly) recall that they had not (Study 1). Forgiveness levels were higher among those who believed the group had apologized than among apology deniers, although the effect was weak and inconsistent. However, in a follow‐up study that measured identification with the victim group it was found that high identifiers were significantly less likely to “remember” an apology (Study 2). Results suggest that memories for collective apologies are fluid and may not be causally related to intergroup forgiveness. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
120.