College of Behavioral & Social Sciences
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Item Infant Speech-in-Noise Perception and Later Phonological Awareness: A Longitudinal Study(2008-10-20) Stimley, Sarah Elizabeth; Newman, Rochelle; Hearing and Speech Sciences; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)While differences have been found in the ability of infants on a variety of speech perception skills including speech perception in the presence of background noise, the implications of these differences on later language skills are currently unknown. This study examines the relationship between a specific measure of infant speech perception in noise and later phonological awareness outcomes. In order to test this relationship, individuals who participated in Newman's (2005) study on infant speech perception in the presence of background noise were administered a battery of language, phonological awareness, and intelligence tests. Scores from these tests were analyzed to see if performance differences existed between those who had performed well as infants in the original study and those who had not. No significant differences between these two groups were found on the phonological awareness measures. Potential reasons for these findings and suggestions for future research are discussed.Item Event-related potentials in developmental populations.(2005) DeBoer, T.; Scott, L.S.; Nelson, C.A.Item Infants' use of action knowledge to get a grasp on words(MIT Press, 2003) Woodward, AmandaItem Is agency skin-deep? Surface attributes influence infants' sensitivity to goal-directed action(Lawrence Erlbaum Associates, Inc., 2004) Guajardo, J. J.; Woodward, AmandaThree studies investigated the role of surface attributes in infants’ identification of agents, using a habituation paradigm designed to tap infants’ interpretation of grasping as goal directed (Woodward, 1998). When they viewed a bare human hand grasping objects, 7- and 12-month-old infants focused on the relation between the hand and its goal. When the surface properties of the hand were obscured by a glove, however, neither 7- nor 12-month-old infants represented its actions as goal directed (Study 1). Next, infants were shown that the gloved hands were part of a person either prior to (Study 2) or during (Study 3) the habituation procedure. Infants who actively monitored the gloved person in Study 2 and older infants in Study 3 interpreted the gloved reaches as goal directed. Thus, varying the extent to which an entity is identifiable as a person impacts infants’ interpretation of the entity as an agent.