Source and item memory for odors and objects in children and young adults.

Source and item memory for odors and objects in children and young adults. Research Abstract Details 

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Source and item memory for odors and objects in children and young adults. Abstract Text:

Eva Pirogovsky,Paul E Gilbert,Claire Murphy,

Recall and recognition memory for odors are poorer in children than in adolescents. In addition, children perform worse than young adults on source memory tasks using visual and auditory stimuli. However, source memory for odor stimuli has not been examined in children. This study investigated source and item memory for odors and objects in children (7-10 years old) and young adults (18-24 years old). During the study phase, 1 male and 1 female experimenter (sources) randomly presented either 16 odors or 16 objects to the participant. Presentation alternated between sources so that each source presented 8 stimuli. Once the 16 stimuli were presented, the sources exited and a third experimenter began the test phase. To assess item recognition memory, a stimulus from the study phase and a novel stimulus were presented to the participant who was asked to choose the stimulus presented during the study phase. Source memory was assessed with the 8 stimuli from the study phase not used in the item memory task. The experimenter presented a stimulus and asked whether the male or female experimenter had presented the stimulus during the study phase. Results indicate that difference scores between item and source memory for odors were significantly larger for children than for young adults, indicating poorer source memory for children than adults. Difference scores for objects did not distinguish between groups. It has been suggested that the frontal lobes play a critical role in source memory and odor memory--a brain region that continues to develop into adolescence. Poor performance among children on the source memory task for odors may be due in part to immaturity of the frontal lobes.

Source and item memory for odors and objects in children and young adults. Publishing Authors By Initials

E Pirogovsky,PE Gilbert,C Murphy,

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Source and item memory for odors and objects in children and young adults. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Developmental neuropsychology

VOLUME: 30

Page Numbers: 739-52

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ISSN: 8756-5641

DAY: 3

MONTH: 12

YEAR: 2006

Source and item memory for odors and objects in children and young adults. Information

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LANGUAGE: eng

NlmUniqueID: 8702038

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Grant and Affiliation Information for Source and item memory for odors and objects in children and young adults.

AFFILIATION: Department of Psychology, San Diego State University, 6363 Alvarado Court, San Diego, CA 92120, USA.

Country: United States

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MEDLINETA: Dev Neuropsychol

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