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Gerson SA, Meyer M. Young Children's Memories for Social Actions: Influences of Age, Theory of Mind, and Motor Complexity. Child Dev 2020; 92:142-156. [PMID: 32706920 DOI: 10.1111/cdev.13387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Children learn actions performed by a social partner better when they misremember these actions as their own. Identifying the factors that alter the propensity to make appropriation errors is critical for optimizing social learning. In two experiments (N = 110), we investigate the developmental trajectory of appropriation errors and examine social-cognitive and motor-related factors in 3- to 8-year-olds. Children with better theory of mind (ToM) skills made fewer appropriation errors for motorically complex actions. Appropriation errors did not differ as a function of ToM if children could perform the corresponding actions. A second experiment replicated this effect and found no influence of collaborative context on appropriation errors. This research sheds light on the complex relations among development, social-cognition, and motor-related factors.
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2
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Orr E. Object play as a mediator of the role of exploration in communication skills development. Infant Behav Dev 2020; 60:101467. [PMID: 32682122 DOI: 10.1016/j.infbeh.2020.101467] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 07/05/2020] [Accepted: 07/08/2020] [Indexed: 01/03/2023]
Abstract
In this study, we investigated exploration and language development, particularly whether preliminary object play mediates the role of exploration in gesture and speech production. We followed 27 infants, aged 8-17 months, and gathered data on the frequency of their exploration, preliminary functional acts with single or multiple objects, and communicative behaviors (e.g., gesturing and single-word utterances). The results of our path analysis indicated that exploration had a direct effect on single-object play, which, in turn, affected gesturing and advanced object play. Gesturing as well as single and multi-object play affected speech production. These findings suggest that exploration is associated with language development. This association may be facilitated by object play milestones in which infants recall the object's function, which strengthens their memory and representation skills. Further, recalling the usage of an object by the caregivers may encourage an infant's overall imitation tendency, which is important for learning how to communicate with gestures and words.
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Affiliation(s)
- Edna Orr
- Gordon College of Education, Graduate School, Haifa, Israel.
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3
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Georgieva S, Lester S, Noreika V, Yilmaz MN, Wass S, Leong V. Toward the Understanding of Topographical and Spectral Signatures of Infant Movement Artifacts in Naturalistic EEG. Front Neurosci 2020; 14:352. [PMID: 32410940 PMCID: PMC7199478 DOI: 10.3389/fnins.2020.00352] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 03/23/2020] [Indexed: 11/21/2022] Open
Abstract
Electroencephalography (EEG) is perhaps the most widely used brain-imaging technique for pediatric populations. However, EEG signals are prone to distortion by motion. Compared to adults, infants' motion is both more frequent and less stereotypical yet motion effects on the infant EEG signal are largely undocumented. Here, we present a systematic assessment of naturalistic motion effects on the infant EEG signal. EEG recordings were performed with 14 infants (12 analyzed) who passively watched movies whilst spontaneously producing periods of bodily movement and rest. Each infant produced an average of 38.3 s (SD = 14.7 s) of rest and 18.8 s (SD = 17.9 s) of single motion segments for the final analysis. Five types of infant motions were analyzed: Jaw movements, and Limb movements of the Hand, Arm, Foot, and Leg. Significant movement-related distortions of the EEG signal were detected using cluster-based permutation analysis. This analysis revealed that, relative to resting state, infants' Jaw and Arm movements produced significant increases in beta (∼15 Hz) power, particularly over peripheral sites. Jaw movements produced more anteriorly located effects than Arm movements, which were most pronounced over posterior parietal and occipital sites. The cluster analysis also revealed trends toward decreased power in the theta and alpha bands observed over central topographies for all motion types. However, given the very limited quantity of infant data in this study, caution is recommended in interpreting these findings before subsequent replications are conducted. Nonetheless, this work is an important first step to inform future development of methods for addressing EEG motion-related artifacts. This work also supports wider use of naturalistic paradigms in social and developmental neuroscience.
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Affiliation(s)
- Stanimira Georgieva
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
| | - Suzannah Lester
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
| | - Valdas Noreika
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
| | - Meryem Nazli Yilmaz
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
| | - Sam Wass
- Department of Psychology, University of East London, London, United Kingdom
| | - Victoria Leong
- Department of Psychology, University of Cambridge, Cambridge, United Kingdom
- Division of Psychology, Nanyang Technological University, Singapore, Singapore
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4
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Lukowski AF, Slonecker EM, Milojevich HM. Sleep problems and recall memory in children with Down syndrome and typically developing controls. RESEARCH IN DEVELOPMENTAL DISABILITIES 2020; 96:103512. [PMID: 31743853 PMCID: PMC7316139 DOI: 10.1016/j.ridd.2019.103512] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 09/26/2019] [Accepted: 10/02/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Research conducted with typically developing (TD) infants and children generally indicates that better habitual sleep and sleep after learning are related to enhanced memory. Less is known, however, about associations between sleep and recall memory in children with Down syndrome (DS). AIMS The present study was conducted to determine whether parent-reported sleep problems were differentially associated with encoding, 1-month delayed recall memory, and forgetting over time in children with DS and those who were TD. METHODS AND PROCEDURES Ten children with DS (mean age = 33 months, 5 days) and 10 TD children (mean age = 21 months, 6 days) participated in a two-session study. At each session, recall memory was assessed using an elicited imitation paradigm. Immediate imitation was permitted at the first session as an index of encoding, and delayed recall was assessed 1 month later. In addition, parents provided demographic information and reported on child sleep problems. OUTCOMES AND RESULTS Although parents did not report more frequent sleep problems for children with DS relative to TD children, regression-based moderation analyses revealed that more frequent sleep problems were associated with increased forgetting of individual target actions and their order by children with DS. Evidence of moderation was not found when examining encoding or delayed recall. CONCLUSIONS AND IMPLICATIONS Although group differences were not found when considering parent-reported sleep problems, more frequent sleep problems were positively associated with increased forgetting by children with DS relative to those who were TD. Although future experimental work is needed to determine causality, these results suggest that improved sleep in children with DS might reduce forgetting, ultimately improving long-term recall memory.
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5
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Johnson EG, Leckey S, Davinson K, Ghetti S. Associative binding in early childhood: Evidence from a preferential looking paradigm. Dev Psychobiol 2019; 62:266-278. [PMID: 31404482 DOI: 10.1002/dev.21904] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 07/09/2019] [Accepted: 07/10/2019] [Indexed: 11/09/2022]
Abstract
Relational memory processes are responsible for forming representations that bind together the co-occurring elements of an experience. These processes provide a foundation of episodic memory, the capacity to remember specific events about one's past. In the present research, we used a visual comparison paradigm to determine whether toddlers can form memories for the relation between co-occurring items. In Experiment 1, 66 2-year-olds viewed pairs of cartoon faces (AB; CD) and did not show a significant novelty preference for the violated associations (i.e., did not look longer at AD rearranged pair than old AB pair when exposed to AD-AB). However, toddlers looked longest at the individual face (i.e., D) violating a studied pair, which appeared to be supported by visual preference for centrally located stimuli. In Experiment 2, 46 2-year-olds participated in a similar procedure, but faces violating the pair during test were located to the periphery (e.g., AB-AC). Under these conditions, toddlers looked longer at recombined pair AC. Overall, our results show that toddlers show some ability to make item-item associations but may need to overcome preferential looking biases to demonstrate this capacity. Furthermore, looking behaviors beyond overall novelty preference may be informative even when overall novelty preference is not found.
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Affiliation(s)
- Elliott G Johnson
- Center for Mind and Brain, University of California, Davis, Davis, CA, USA.,Human Development Graduate Group, University of California, Davis, Davis, CA, USA
| | - Sarah Leckey
- Center for Mind and Brain, University of California, Davis, Davis, CA, USA.,Department of Psychology, University of California, Davis, Davis, CA, USA
| | - Kelsey Davinson
- Center for Mind and Brain, University of California, Davis, Davis, CA, USA
| | - Simona Ghetti
- Center for Mind and Brain, University of California, Davis, Davis, CA, USA.,Human Development Graduate Group, University of California, Davis, Davis, CA, USA.,Department of Psychology, University of California, Davis, Davis, CA, USA
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6
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Milojevich HM, Slonecker EM, Lukowski AF. Participation in Social Skills Therapy is Associated With Enhanced Recall Memory by Children With Down Syndrome: An Exploratory Study. Behav Modif 2019; 44:580-599. [PMID: 30961353 DOI: 10.1177/0145445519841051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Participation in social skills therapy (SST) facilitates cognitive functioning in children with developmental disabilities. The present pilot study examined whether participation in SST was associated with enhanced encoding and 1-month delayed recall in children with Down syndrome (DS). Children were presented with novel three-step event sequences in an elicited imitation procedure. Immediate imitation was permitted as an index of encoding; long-term memory was assessed 1 month later. Parents completed questionnaires inquiring about children's participation in SST. Participation in SST was associated with enhanced encoding of temporal order information and 1-month delayed recall of individual target actions. In addition, encoding mediated the relation between group and 1-month delayed recall. The conducted research indicates that involvement in SST may be beneficial for children with DS despite their noted strengths in imitation and social learning. As such, additional experimental work is warranted to determine causality.
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7
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Lukowski AF, Milojevich HM. Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm. J Vis Exp 2016:53347. [PMID: 27167994 PMCID: PMC4942010 DOI: 10.3791/53347] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
The ability to recall the past allows us to report on details of previous experiences, from the everyday to the significant. Because recall memory is commonly assessed using verbal report paradigms in adults, studying the development of this ability in preverbal infants and children proved challenging. Over the past 30 years, researchers have developed a non-verbal means of assessing recall memory known as the elicited or deferred imitation paradigm. In one variant of the procedure, participants are presented with novel three-dimensional stimuli for a brief baseline period before a researcher demonstrates a series of actions that culminate in an end- or goal-state. The participant is allowed to imitate the demonstrated actions immediately, after a delay, or both. Recall performance is then compared to baseline or to performance on novel control sequences presented at the same session; memory can be assessed for the individual target actions and the order in which they were completed. This procedure is an accepted analogue to the verbal report techniques used with adults, and it has served to establish a solid foundation of the nature of recall memory in infancy and early childhood. In addition, the elicited or deferred imitation procedure has been modified and adapted to answer questions relevant to other aspects of cognitive functioning. The broad utility and application of imitation paradigms is discussed, along with limitations of the approach and directions for future research.
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Affiliation(s)
- Angela F Lukowski
- Department of Psychology and Social Behavior, University of California-Irvine;
| | - Helen M Milojevich
- Department of Psychology and Social Behavior, University of California-Irvine
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8
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Milojevich H, Lukowski A. Recall memory in children with Down syndrome and typically developing peers matched on developmental age. JOURNAL OF INTELLECTUAL DISABILITY RESEARCH : JIDR 2016; 60:89-100. [PMID: 26604184 DOI: 10.1111/jir.12242] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 09/10/2015] [Accepted: 10/07/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Whereas research has indicated that children with Down syndrome (DS) imitate demonstrated actions over short delays, it is presently unknown whether children with DS recall information over lengthy delays at levels comparable with typically developing (TD) children matched on developmental age. METHOD In the present research, 10 children with DS and 10 TD children participated in a two-session study to examine basic processes associated with hippocampus-dependent recall memory. At the first session, the researcher demonstrated how to complete a three-step action sequence with novel stimuli; immediate imitation was permitted as an index of encoding. At the second session, recall memory was assessed for previously modelled sequences; children were also presented with two novel three-step control sequences. RESULTS The results indicated that group differences were not apparent in the encoding of the events or the forgetting of information over time. Group differences were also not observed when considering the recall of individual target actions at the 1-month delay, although TD children produced more target actions overall at the second session relative to children with DS. Group differences were found when considering memory for temporal order information, such that TD children evidenced recall relative to novel control sequences, whereas children with DS did not. CONCLUSIONS These findings suggest that children with DS may have difficulty with mnemonic processes associated with consolidation/storage and/or retrieval processes relative to TD children.
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Affiliation(s)
- H Milojevich
- Psychology and Social Behavior, University of California, Irvine, Irvine, CA, USA
| | - A Lukowski
- Psychology and Social Behavior, University of California, Irvine, Irvine, CA, USA
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9
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The developing cognitive substrate of sequential action control in 9- to 12-month-olds: Evidence for concurrent activation models. Cognition 2015; 138:64-78. [DOI: 10.1016/j.cognition.2015.01.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 01/15/2015] [Accepted: 01/20/2015] [Indexed: 11/19/2022]
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10
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Burzi V, Marchi V, Boyd RN, Mazziotti R, Moscarelli M, Sgherri G, Tealdi G, Cioni G, Guzzetta A. Brain representation of action observation in human infants. Dev Med Child Neurol 2015; 57 Suppl 2:26-30. [PMID: 25690113 DOI: 10.1111/dmcn.12693] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/18/2014] [Indexed: 11/28/2022]
Abstract
Imitative learning has long been established as extremely important for early development. However, neural mechanisms involved in early imitative behaviours are still areas of active research. Neurophysiological and brain-imaging studies have been recently performed that provide initial evidence of brain activation associated with action observation in the first months of life. In this review we examine all studies exploring the effects of action observation on brain function assessed by means of non-invasive brain-mapping techniques. Seventeen papers were selected as a result of our literature search. The strongest evidence for a neural signature of action observation comes from studies exploring the desynchronization of the μ-rhythm, which was reported for both occluded and visible goal-directed grasp, and was correlated with the totality of the infant's own action experience. The effects of action observation were reported on event-related potentials (ERPs) or near infrared spectroscopy. Taken together, these studies suggest that, in early infancy, a direct visual-motor matching process is already detectable as early as 6 months, suggesting a matching between action perception and execution already in infancy. If confirmed by future studies, these findings will shed light on the mechanisms of early motor development and imitation, and will be key to informing novel rehabilitation strategies in infants with congenital brain damage.
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Affiliation(s)
- Valentina Burzi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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11
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Nordqvist E, Rudner M, Johansson M, Lindgren M, Heimann M. The relationship between deferred imitation, associative memory, and communication in 14-months-old children. Behavioral and electrophysiological indices. Front Psychol 2015; 6:260. [PMID: 25852588 PMCID: PMC4360574 DOI: 10.3389/fpsyg.2015.00260] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2015] [Accepted: 02/21/2014] [Indexed: 11/30/2022] Open
Abstract
The present study combines behavioral observations of memory (deferred imitation, DI, after a brief delay of 30 min and after a long delay of 2-3 weeks) and electrophysiological (event-related potentials, ERPs) measures of associative memory, as well as parental reports of non-verbal and verbal communication in sixteen 14-months-old children. Results show that for DI, the children remembered the stimulus after the brief but not after the long delay. There was a clear electrophysiological response indicating associative memory. Furthermore, a correlation between DI and ERP suggests that both measures of memory (DI and associative memory) tap into similar mechanisms in 14-months-old children. There was also a statistically significant relation between parental report of receptive (verbal) language and the ERP, showing an association between receptive language skills and associative memory.
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Affiliation(s)
- Emelie Nordqvist
- Department of Behavioral Sciences and Learning, Linköping UniversityLinköping, Sweden
- The Swedish Institute for Disability Research, Linköping UniversityLinköping, Sweden
| | - Mary Rudner
- Department of Behavioral Sciences and Learning, Linköping UniversityLinköping, Sweden
- The Swedish Institute for Disability Research, Linköping UniversityLinköping, Sweden
- Linnaeus Centre HEAD, Linköping UniversityLinköping, Sweden
| | | | | | - Mikael Heimann
- Department of Behavioral Sciences and Learning, Linköping UniversityLinköping, Sweden
- The Swedish Institute for Disability Research, Linköping UniversityLinköping, Sweden
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12
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Riggins T, Rollins L. Developmental differences in memory during early childhood: insights from event-related potentials. Child Dev 2015; 86:889-902. [PMID: 25677124 DOI: 10.1111/cdev.12351] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Age-related differences in behavioral and electrophysiological indices of memory were examined in 3- to 6-year-old children (N = 76). Behaviorally, no differences were observed in children's ability to identify old items; however, 3-year-old children were less accurate in correctly rejecting new items, and 3- and 4-year-old children recalled fewer contextual details compared to 5- and 6-year-old children. Age-related differences in electrophysiological measures (800-1,000 ms after stimulus onset) were observed both to items recalled with contextual details, which increased between 3 and 4 years, and items recalled without contextual details, which were greatest in 5-year-old children, even after adjusting for global age-related differences. These findings, interpreted within a dual-process framework, may suggest changes in both recollection and familiarity processes during early childhood.
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13
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Lukowski AF, Phung JN, Milojevich HM. Language facilitates event memory in early childhood: Child comprehension, adult-provided linguistic support and delayed recall at 16 months. Memory 2014; 23:848-63. [PMID: 24999740 DOI: 10.1080/09658211.2014.931436] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Adult-provided supportive language facilitates memory for the past in preverbal and verbal children. Work conducted with 18-month-olds indicates that children benefit from supportive adult language when tested after a 4-week delay but not when tested immediately after sequence demonstration; moreover, findings reveal that supportive language provided only at test may be more facilitative of recall after a delay relative to supportive language provided only at encoding. In the present study, we examined whether child language comprehension abilities moderated the extent to which preverbal children benefitted from supportive language provided at encoding and test. The findings indicated that child language comprehension and supportive language provided at encoding were unassociated with performance at baseline or immediate imitation; however, the moderating effect of child language comprehension on adult-provided supportive language at encoding and test was observed after a 1-week delay. Correlations revealed continuous associations between general comprehension scores and recall performance after the 1-week delay on sequences presented in the most supportive condition at encoding. Taken together, the presented findings reveal that the complex interplay between language and cognition is established in early childhood, with foundational relations emerging before children are capable of verbally reporting on the past.
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Affiliation(s)
- Angela F Lukowski
- a Department of Psychology and Social Behavior , University of California-Irvine , Irvine , CA , USA
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14
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Phung JN, Milojevich HM, Lukowski AF. Adult language use and infant comprehension of English: associations with encoding and generalization across cues at 20 months. Infant Behav Dev 2014; 37:465-79. [PMID: 24983506 DOI: 10.1016/j.infbeh.2014.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 02/07/2014] [Accepted: 05/04/2014] [Indexed: 11/17/2022]
Abstract
Adult-provided language shapes event memory in children who are preverbal and in those who are able to discuss the past using language. The research conducted to date, however, has not yet established whether infant language comprehension abilities moderate the extent to which preverbal infants benefit from adult-provided supportive language. The present study was conducted to address this question by examining immediate imitation and 1-week delayed generalization across cues in 20-month-old infants as a function of (a) variability in adult-provided linguistic support at encoding and test, (b) infant language comprehension abilities, and (c) their interaction. The provision of supportive adult language at encoding and test was associated with delayed generalization across cues although supportive adult language at encoding did not influence performance at immediate imitation. Infant language comprehension abilities were associated with performance at immediate imitation and delayed generalization across cues. In addition, infant language comprehension abilities moderated the extent to which infants benefited from adult-provided supportive language at encoding and test. The findings contribute to the literature by demonstrating that adult language use and infant language comprehension are independently and differentially associated with immediate imitation and 1-week delayed generalization across cues but also serve to jointly structure event memory in the second year of life.
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Affiliation(s)
- Janice N Phung
- Department of Psychology and Social Behavior, University of California-Irvine, United States
| | - Helen M Milojevich
- Department of Psychology and Social Behavior, University of California-Irvine, United States
| | - Angela F Lukowski
- Department of Psychology and Social Behavior, University of California-Irvine, United States.
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15
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Sleeping like a baby: Examining relations between habitual infant sleep, recall memory, and generalization across cues at 10 months. Infant Behav Dev 2013; 36:369-76. [DOI: 10.1016/j.infbeh.2013.02.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Revised: 01/19/2013] [Accepted: 02/21/2013] [Indexed: 11/18/2022]
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16
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Heimann M, Nordqvist E, Rudner M, Johansson M, Lindgren M. Associative learning measured with ERP predicts deferred imitation using a strict observation only design in 14 to 15 month old children. Scand J Psychol 2013; 54:33-40. [PMID: 23320882 DOI: 10.1111/sjop.12005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Deferred imitation (DI) is an established procedure for behavioral measurement of early declarative-like memories in infancy and previous work has indicated a link between this type of memory and brain potentials in infants. The present study compared infants' memory performance in this paradigm with electrophysiological indices of associative learning. Thirty children (M = 14.5 months) participated, of which 15 (8 boys) had acceptable event-related potentials (ERP) recordings that could be included in the final analysis. Deferred imitation was measured with an observation-only procedure using three actions and a 30 min delay. ERP was recorded with a high-density electrode net (128 electrodes) during associative learning. Change scores based on Nc, a middle latency component associated with attentional processes, predicted deferred imitation performance. Thus, associative learning measured with ERP predicts deferred imitation using a strict observation only design in 14 to 15 month old children.
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Affiliation(s)
- Mikael Heimann
- Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden.
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17
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Bauer PJ, Güler OE, Starr RM, Pathman T. Equal Learning Does Not Result in Equal Remembering: The Importance of Post-Encoding Processes. INFANCY 2011; 16:557-586. [PMID: 26207100 PMCID: PMC4509549 DOI: 10.1111/j.1532-7078.2010.00057.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Explanations of variability in long-term recall typically appeal to encoding and/or retrieval processes. However, for well over a century, it has been apparent that for memory traces to be stored successfully, they must undergo a post-encoding process of stabilization and integration. Variability in post-encoding processes is thus a potential source of age-related and individual variance in long-term recall. We examined post-encoding variability in each of two experiments. In each experiment, 20-month-old infants were exposed to novel three-step sequences in each of three encoding conditions: watch only, imitate, and learn to criterion. They were tested for recall after 15 min (as a measure of the success of encoding) and either weeks (1, 2, or 3: Experiment 1) or days (1, 2, or 4: Experiment 2) later. In each experiment, differential relative levels of performance among the conditions were observed at the two tests. The results implicate post-encoding processes are a source of variance in long-term recall.
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Affiliation(s)
| | - O Evren Güler
- Center for Neurobehavioral Development, University of Minnesota
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18
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Riggins T, Bauer PJ, Georgieff MK, Nelson CA. Declarative memory performance in infants of diabetic mothers. ADVANCES IN CHILD DEVELOPMENT AND BEHAVIOR 2011; 38:73-110. [PMID: 21207806 DOI: 10.1016/b978-0-12-374471-5.00004-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Tracy Riggins
- Department of Psychology, University of Maryland, College Park, Maryland, USA
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19
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Richert RA, Robb MB, Smith EI. Media as social partners: the social nature of young children's learning from screen media. Child Dev 2011; 82:82-95. [PMID: 21291430 DOI: 10.1111/j.1467-8624.2010.01542.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Television has become a nearly ubiquitous feature in children's cultural landscape. A review of the research into young children's learning from television indicates that the likelihood that children will learn from screen media is influenced by their developing social relationships with on-screen characters, as much as by their developing perception of the screen and their symbolic understanding and comprehension of information presented on screen. Considering the circumstances in which children under 6 years learn from screen media can inform teachers, parents, and researchers about the important nature of social interaction in early learning and development. The findings reviewed in this article suggest the social nature of learning, even learning from screen media.
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Kopp F, Lindenberger U. Effects of joint attention on long-term memory in 9-month-old infants: an event-related potentials study. Dev Sci 2010; 14:660-72. [PMID: 21676087 DOI: 10.1111/j.1467-7687.2010.01010.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Joint attention develops during the first year of life but little is known about its effects on long-term memory. We investigated whether joint attention modulates long-term memory in 9-month-old infants. Infants were familiarized with visually presented objects in either of two conditions that differed in the degree of joint attention (high versus low). EEG indicators in response to old and novel objects were probed directly after the familiarization phase (immediate recognition), and following a 1-week delay (delayed recognition). In immediate recognition, the amplitude of positive slow-wave activity was modulated by joint attention. In the delayed recognition, the amplitude of the Pb component differentiated between high and low joint attention. In addition, the positive slow-wave amplitude during immediate and delayed recognition correlated with the frequency of infants' looks to the experimenter during familiarization. Under both high- and low-joint-attention conditions, the processing of unfamiliar objects was associated with an enhanced Nc component. Our results show that the degree of joint attention modulates EEG during immediate and delayed recognition. We conclude that joint attention affects long-term memory processing in 9-month-old infants by enhancing the relevance of attended items.
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Affiliation(s)
- Franziska Kopp
- Max Planck Institute for Human Development, Berlin, Germany.
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21
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Memory for events and locations obtained in the context of elicited imitation: evidence for differential retention in the second year of life. Infant Behav Dev 2010; 34:55-62. [PMID: 21047688 PMCID: PMC10128620 DOI: 10.1016/j.infbeh.2010.09.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2010] [Revised: 08/12/2010] [Accepted: 09/24/2010] [Indexed: 11/22/2022]
Abstract
Previous research has suggested that infants may have more robust memory for past experiences relative to memory for locations that have been encountered previously. This assertion, however, primarily results from the comparison of data that were collected using different experimental procedures. In the present study, we examined memory for events and memory for locations in the context of elicited imitation. Specifically, 13-, 16-, and 20-month-old infants were tested for long-term memory for events and locations after between-subjects delays of 1, 3, 6, 9, and 12 months. The results indicated that the event memory was retained over lengthier delays relative to the location memory, despite superior encoding of location information. The possible adaptive significance of long-term memory for events ontogenetically preceding long-term memory for locations is discussed.
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Snyder KA. Neural Correlates of Encoding Predict Infants’ Memory in the Paired-Comparison Procedure. INFANCY 2010; 15:270-299. [DOI: 10.1111/j.1532-7078.2009.00015.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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23
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Czernochowski D, Mecklinger A, Johansson M. Age-related changes in the control of episodic retrieval: an ERP study of recognition memory in children and adults. Dev Sci 2009; 12:1026-40. [PMID: 19840057 DOI: 10.1111/j.1467-7687.2009.00841.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We examined developmental aspects of the ability to monitor the temporal context of an item's previous occurrence while event-related potentials (ERPs) were recorded. In a continuous recognition task, children between 10 and 12 years and young adults watched a stream of pictures repeated with a lag of 10-15 intervening items and indicated recurrences. In a second run, these already familiar pictures were repeated as non-targets along with new pictures, while subjects were instructed to indicate only recurrences within the run. Young adults were able to maintain high performance levels in both tasks, whereas children had longer response times and committed a large number of false alarms to non-targets. ERPs in both age groups showed similar parietal old/new effects for target repetitions within runs. In addition, adults' ERPs showed similar old/new effects at frontal electrodes for repetitions and non-targets, presumably reflecting assessments of familiarity, whereas for children repeated relative to first presentations were associated with more negative-going waveforms at anterior frontal recording sites. Together, these results suggest a continuing maturation of the brain networks assessing novelty or familiarity. Recollection as indexed by parietal old/new effects appeared similar between young adults and children, but the development of controlled episodic retrieval, resulting in recollection of non-target information, appears to continue well into adolescence.
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Affiliation(s)
- Daniela Czernochowski
- Mathematical and Cognitive Psychology, Heinrich-Heine University, Duesseldorf, Germany.
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Morasch KC, Bell MA. Patterns of brain-electrical activity during declarative memory performance in 10-month-old infants. Brain Cogn 2009; 71:215-22. [DOI: 10.1016/j.bandc.2009.08.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2008] [Revised: 06/18/2009] [Accepted: 08/26/2009] [Indexed: 10/20/2022]
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25
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Individual brief art therapy can be helpful for women with breast cancer: a randomized controlled clinical study. Palliat Support Care 2009; 7:87-95. [PMID: 19619378 DOI: 10.1017/s147895150900011x] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Recent research shows that almost every second woman with breast cancer is depressed or has anxiety; the risk for younger women is even higher. Moreover, research shows that women are at risk for developing depression, also a threat for women with breast cancer. The aim of this randomized controlled clinical trial was to study the outcome of five sessions of art therapy given at a 5-week period of postoperative radiotherapy. METHODS The participants were between 37 and 69 years old; six participants in each group were below 50 years of age. Half of the participants (n = 20) received art therapy and the other half (n = 21) were assigned to a control group. At the first measurement, at least 17% (n = 7) of the participants medicated with antidepressants. Data were collected before and after art therapy and at a 4-month follow-up using self-rating scales that measure self-image (the Structural Analysis of Social Behaviour) and psychiatric symptoms (the Symptom Check List-90). RESULTS At follow-up, significant lower ratings of depression, anxiety, and somatic symptoms and less general symptoms were reported for the art therapy group compared to the control group. The regression analysis showed that art therapy relates to lower ratings of depression, anxiety, and general symptoms; chemotherapeutic treatment predicts lower depressive symptoms; in contrast to axillary surgery and hormonal treatment as well as being a parent predicts higher ratings of anxiety and general symptoms. SIGNIFICANCE OF RESULTS The conclusion suggests that art therapy has a long-term effect on the crisis following the breast cancer and its consequences.
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Lukowski AF, Wiebe SA, Bauer PJ. Going beyond the specifics: generalization of single actions, but not temporal order, at 9 months. Infant Behav Dev 2009; 32:331-5. [PMID: 19328556 DOI: 10.1016/j.infbeh.2009.02.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2008] [Revised: 01/12/2009] [Accepted: 02/25/2009] [Indexed: 10/21/2022]
Abstract
We examined generalization in 9-month-old infants after a 24-h delay using deferred imitation. Infants flexibly applied their knowledge of sequence actions across changes in props even though they had no opportunity for immediate imitation.
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Affiliation(s)
- Angela F Lukowski
- Department of Psychology and Social Behavior, University of California-Irvine, 3340 Social Ecology Building II, Irvine, CA 92697, USA.
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27
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Imitation of hierarchical structure versus component details of complex actions by 3- and 5-year-olds. J Exp Child Psychol 2008; 101:228-40. [DOI: 10.1016/j.jecp.2008.05.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2007] [Revised: 05/28/2008] [Accepted: 05/29/2008] [Indexed: 11/18/2022]
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28
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Flynn E. Investigating children as cultural magnets: do young children transmit redundant information along diffusion chains? Philos Trans R Soc Lond B Biol Sci 2008; 363:3541-51. [PMID: 18799417 DOI: 10.1098/rstb.2008.0136] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The primary goal of this study was to investigate cultural transmission in young children, with specific reference to the phenomenon of overimitation. Diffusion chains were used to compare the imitation of 2- and 3-year-olds on a task in which the initial child in each chain performed a series of relevant and irrelevant actions on a puzzle box in order to retrieve a reward. Children in the chains witnessed the actions performed on one of two boxes, one which was transparent and so the lack of causality of the irrelevant actions was obvious, while the other was opaque and so the lack of causal relevance was not obvious. Unlike previous dyadic research in which children overimitate a model, the irrelevant actions were parsed out early in the diffusion chains. Even though children parsed out irrelevant actions, they showed fidelity to the method used to perform a relevant action both within dyads and across groups. This was true of 3-year-olds, and also 2-year-olds, therefore extending findings from previous research.
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Affiliation(s)
- Emma Flynn
- Department of Psychology, Durham University, Science Laboratories, Durham, UK.
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Jordan CM, Johnson AL, Hughes SJ, Shapiro EG. The Color Object Association Test (COAT): the development of a new measure of declarative memory for 18- to 36-month-old toddlers. Child Neuropsychol 2008; 14:21-41. [PMID: 18097800 DOI: 10.1080/09297040601100430] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Few methods exist to measure declarative (explicit) memory in children during the toddler and preschool stages of development. We report the development and psychometric properties of a new measure of declarative memory for this age group, the Color Object Association Test (COAT). In pilot testing and large scale application of the test, the COAT was demonstrated to be a reliable and a valid measure of declarative memory for healthy children ages 18-36 months, living in a disadvantaged community. The test shows a linear developmental trajectory, which allows longitudinal examination of the development of declarative memory in children.
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Affiliation(s)
- Catherine M Jordan
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA.
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30
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A comparison of between- and within-subjects imitation designs. Infant Behav Dev 2006; 29:564-73. [DOI: 10.1016/j.infbeh.2006.07.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2006] [Revised: 05/23/2006] [Accepted: 07/13/2006] [Indexed: 11/20/2022]
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31
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de Haan M, Mishkin M, Baldeweg T, Vargha-Khadem F. Human memory development and its dysfunction after early hippocampal injury. Trends Neurosci 2006; 29:374-381. [PMID: 16750273 DOI: 10.1016/j.tins.2006.05.008] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2006] [Revised: 03/29/2006] [Accepted: 05/17/2006] [Indexed: 11/22/2022]
Abstract
Cognitive memory involves long-term memories for facts (semantic memory) and personal experiences (episodic memory) that can be brought to mind. There is consensus that the hippocampus and related medial temporal lobe (MTL) structures are crucial for adult cognitive memory, but much less is known about their contribution to memory during infancy and childhood. We argue that the MTL is involved in memory from early in life, supporting recognition memory within the first postnatal months and recall memory within the first year. We propose that normal development involves a sequence in which a form of semantic-like memory emerges first, whereas the characteristics of episodic memory develop only later with progressive development of the hippocampus. Early bilateral injury to the hippocampus disrupts this normal pattern such that memory skills cannot develop beyond the stage of semantic memories. This review is part of the INMED/TINS special issue "Nature and nurture in brain development and neurological disorders", based on presentations at the annual INMED/TINS symposium (http://inmednet.com/).
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Affiliation(s)
- Michelle de Haan
- Developmental Cognitive Neuroscience Unit, University College London Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK.
| | - Mortimer Mishkin
- Section on Cognitive Neuroscience, National Institute of Mental Health, Bethesda, MD 20892, USA
| | - Torsten Baldeweg
- Developmental Cognitive Neuroscience Unit, University College London Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK
| | - Faraneh Vargha-Khadem
- Developmental Cognitive Neuroscience Unit, University College London Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK
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Wiebe SA, Cheatham CL, Lukowski AF, Haight JC, Muehleck AJ, Bauer PJ. Infants' ERP Responses to Novel and Familiar Stimuli Change Over Time: Implications for Novelty Detection and Memory. INFANCY 2006. [DOI: 10.1207/s15327078in0901_2] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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