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Schneider JM, Behboudi MH, Maguire MJ. The Necessity of Taking Culture and Context into Account When Studying the Relationship between Socioeconomic Status and Brain Development. Brain Sci 2024; 14:392. [PMID: 38672041 PMCID: PMC11048655 DOI: 10.3390/brainsci14040392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Decades of research has revealed a relationship between childhood socioeconomic status (SES) and brain development at the structural and functional levels. Of particular note is the distinction between income and maternal education, two highly correlated factors which seem to influence brain development through distinct pathways. Specifically, while a families' income-to-needs ratio is linked with physiological stress and household chaos, caregiver education influences the day-to-day language environment a child is exposed to. Variability in either one of these environmental experiences is related to subsequent brain development. While this work has the potential to inform public policies in a way that benefits children, it can also oversimplify complex factors, unjustly blame low-SES parents, and perpetuate a harmful deficit perspective. To counteract these shortcomings, researchers must consider sociodemographic differences in the broader cultural context that underlie SES-based differences in brain development. This review aims to address these issues by (a) identifying how sociodemographic mechanisms associated with SES influence the day-to-day experiences of children, in turn, impacting brain development, while (b) considering the broader cultural contexts that may differentially impact this relationship.
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Affiliation(s)
- Julie M. Schneider
- Department of Communication Sciences and Disorders, Louisiana State University, 72 Hatcher Hall, Field House Drive, Baton Rouge, LA 70803, USA;
| | - Mohammad Hossein Behboudi
- Callier Center for Communication Disorders, The University of Texas at Dallas, 1966 Inwood Road, Dallas, TX 75235, USA;
| | - Mandy J. Maguire
- Callier Center for Communication Disorders, The University of Texas at Dallas, 1966 Inwood Road, Dallas, TX 75235, USA;
- Center for Children and Families, The University of Texas at Dallas, 800 W Campbell Road, Dallas, TX 75080, USA
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Melamed TC, Chalamalasetty P, Ralph YK, Berinhout K, Maguire MJ. The power of the written word: Comparing word meaning inferencing from auditory and written modalities throughout grade school. J Exp Child Psychol 2024; 237:105755. [PMID: 37572384 DOI: 10.1016/j.jecp.2023.105755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/18/2023] [Accepted: 07/18/2023] [Indexed: 08/14/2023]
Abstract
Previous research indicates that word learning from auditory contexts may be more effective than written context at least through fourth grade. However, no study has examined contextual differences in word learning in older school-aged children when reading abilities are more developed. Here we examined developmental differences in children's ability to deduce the meanings of unknown words from the surrounding linguistic context in the auditory and written modalities and sought to identify the most important predictors of success in each modality. A total of 89 children aged 8-15 years were randomly assigned to either read or listen to a narrative that included eight novel words, with five exposures to each novel word. They then completed three posttests to assess word meaning inferencing. Children across all ages performed better in the written modality. Vocabulary was the only significant predictor of success on the word inferencing task. Results indicate support for written stimuli as the most effective modality for novel word meaning deduction. Our findings suggest that the presence of orthographic information facilitates novel word learning even for early, less proficient readers.
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Affiliation(s)
- Tina C Melamed
- Department of Rehabilitation Sciences, University of Texas at Tyler, Tyler, TX 757099, USA.
| | - Prasanth Chalamalasetty
- Callier Center for Communication Disorders, University of Texas at Dallas, Dallas, TX 75235, USA
| | - Yvonne K Ralph
- College of Education and Psychology, University of Texas at Tyler, Tyler, TX 75799, USA
| | - Kate Berinhout
- Callier Center for Communication Disorders, University of Texas at Dallas, Dallas, TX 75235, USA
| | - Mandy J Maguire
- Callier Center for Communication Disorders, University of Texas at Dallas, Dallas, TX 75235, USA
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3
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Poudel S, Denicola-Prechtl K, Nelson JA, Behboudi MH, Benitez-Barrera C, Castro S, Maguire MJ. Rethinking household size and children's language environment. Dev Psychol 2024; 60:159-169. [PMID: 37902680 DOI: 10.1037/dev0001650] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
The number of U.S. children living in households with extended families has greatly increased in the last 4 decades. This demographic shift calls for a reevaluation of the impact of household size on children's development. Household density (HHD), measured as the ratio of people to bedrooms in a home, has been shown to negatively relate to children's language. Here, we propose that while greater HHD may result in poorer language abilities, more adults in relation to the number of children in the home may have a positive impact on children's language. To test this hypothesis, we studied relations between HHD and adult-to-child ratio with children's vocabulary scores, as well as whether maternal education and household chaos accounted for these associations. Participants included families from a range of socioeconomic and ethnic backgrounds (N = 275; Mage = 10.85; 51% female; 51% Hispanic; annual income range less than $10,000-over $100,000). In general, higher HHD was related to lower child vocabulary scores. Conversely, higher adult-to-child ratio was related to higher child vocabulary and lower household chaos. These patterns were primarily driven by effects in Hispanic families. Our results suggest that a reevaluation of household size is needed, as more adults in the home can be protective for children's language development in larger families, an effect that may vary by culture. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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Affiliation(s)
- Sonali Poudel
- School of Behavioral and Brain Sciences, University of Texas at Dallas
| | | | - Jackie A Nelson
- School of Behavioral and Brain Sciences, University of Texas at Dallas
| | | | | | - Stephanie Castro
- School of Behavioral and Brain Sciences, University of Texas at Dallas
| | - Mandy J Maguire
- School of Behavioral and Brain Sciences, University of Texas at Dallas
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Behboudi MH, Castro S, Chalamalasetty P, Maguire MJ. Development of Gamma Oscillation during Sentence Processing in Early Adolescence: Insights into the Maturation of Semantic Processing. Brain Sci 2023; 13:1639. [PMID: 38137087 PMCID: PMC10741943 DOI: 10.3390/brainsci13121639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/16/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
Children's ability to retrieve word meanings and incorporate them into sentences, along with the neural structures that support these skills, continues to evolve throughout adolescence. Theta (4-8 Hz) activity that corresponds to word retrieval in children decreases in power and becomes more localized with age. This bottom-up word retrieval is often paired with changes in gamma (31-70 Hz), which are thought to reflect semantic unification in adults. Here, we studied gamma engagement during sentence processing using EEG time-frequency in children (ages 8-15) to unravel the developmental trajectory of the gamma network during sentence processing. Children heavily rely on semantic integration for sentence comprehension, but as they mature, semantic and syntactic processing units become distinct and localized. We observed a similar developmental shift in gamma oscillation around age 11, with younger groups (8-9 and 10-11) exhibiting broadly distributed gamma activity with higher amplitudes, while older groups (12-13 and 14-15) exhibited smaller and more localized gamma activity, especially over the left central and posterior regions. We interpret these findings as support for the argument that younger children rely more heavily on semantic processes for sentence comprehension than older children. And like adults, semantic processing in children is associated with gamma activity.
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Affiliation(s)
- Mohammad Hossein Behboudi
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (M.H.B.)
- Callier Center for Communication Disorders, The University of Texas at Dallas, Dallas, TX 75235, USA
| | - Stephanie Castro
- Department of Human Development and Family Sciences, The University of Texas at Austin, Austin, TX 78705, USA
| | - Prasanth Chalamalasetty
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (M.H.B.)
| | - Mandy J. Maguire
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA; (M.H.B.)
- Callier Center for Communication Disorders, The University of Texas at Dallas, Dallas, TX 75235, USA
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Denicola-Prechtl KM, Abel AD, Maguire MJ. What do children's errors tell us about the strategies used during a word inferencing task? J Exp Child Psychol 2023; 233:105705. [PMID: 37224704 DOI: 10.1016/j.jecp.2023.105705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/26/2023]
Abstract
A vital and often overlooked aspect of word learning is the ability to establish deep semantic knowledge by adjusting and fine-tuning new word meanings as information becomes available. Here we studied differences in children's ability to update incorrect or incomplete word meanings by studying error types in a word inferencing task. The participants, 45 8- and 9-year-olds, read three sentences that all ended with the same nonsense word and were asked to identify the meaning of the last word. Importantly, the third sentence always provided the most useful information about the word's meaning. When children made errors, two types of responses were of interest. The first was when children gave a response that ignored the third sentence but fit one or two of the earlier ones. This suggests that the children had failed to update the meaning accurately. The second was when children were given enough information in the three sentences yet said that they were still unable to identify a word meaning. This suggests that the children would not attempt to infer a word when they were unsure of the answer. When controlling for number of correct responses, we found that children with smaller vocabularies were significantly more likely to fail to incorporate the third sentence, whereas children with large vocabularies were more likely to say that they were still unable to identify a meaning. These findings indicate that children with smaller vocabularies may be at risk of incorrectly inferring a new word's meaning rather than seeking further information to ensure accuracy.
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Affiliation(s)
| | - Alyson D Abel
- School of Speech, Language, and Hearing Sciences, San Diego State University, San Diego, CA 92182, USA
| | - Mandy J Maguire
- Callier Center for Communication Disorders, University of Texas at Dallas, Dallas, TX 75235, USA
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Schneider JM, Poudel S, Abel AD, Maguire MJ. Age and vocabulary knowledge differentially influence the N400 and theta responses during semantic retrieval. Dev Cogn Neurosci 2023; 61:101251. [PMID: 37141791 DOI: 10.1016/j.dcn.2023.101251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 03/23/2023] [Accepted: 05/01/2023] [Indexed: 05/06/2023] Open
Abstract
Using electroencephalography (EEG) to study the neural oscillations supporting language development is increasingly common; however, a clear understanding of the relationship between neural oscillations and traditional Event Related Potentials (ERPs) is needed to disentangle how maturation of language-related neural networks supports semantic processing throughout grade school. Theta and the N400 are both thought to index semantic retrieval but, in adults, are only weakly correlated with one another indicating they may measure somewhat unique aspects of retrieval. Here, we studied the relationship between the N400 amplitude and theta power during semantic retrieval with key indicators of language abilities including age, vocabulary, reading comprehension and phonological memory in 226 children ages 8-15 years. The N400 and theta responses were positively correlated over posterior areas, but negatively correlated over frontal areas. When controlling for the N400 amplitude, the amplitude of the theta response was predicted by age, but not by language measures. On the other hand, when controlling theta amplitude, the amplitude of the N400 was predicted by both vocabulary knowledge and age. These findings indicate that while there is a clear relationship between the N400 and theta responses, they may each index unique aspects of development related to semantic retrieval.
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Schneider JM, Abel AD, Maguire MJ. Vocabulary knowledge and reading comprehension account for SES-differences in how school-aged children infer word meanings from sentences. Lang Learn Dev 2022; 19:369-385. [PMID: 37771762 PMCID: PMC10530852 DOI: 10.1080/15475441.2022.2081573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Socioeconomic status (SES)-related language gaps are known to widen throughout the course of the school years; however, not all children from lower SES homes perform worse than their higher SES peers on measures of language. The current study uses mediation and moderated mediation to examine how cognitive and language abilities (vocabulary, reading, phonological processing, working memory) account for individual differences in a children's ability to infer a novel word's meaning, a key component in word learning, in school-aged children from varying SES backgrounds. Vocabulary and reading comprehension mediated the relationship between SES and accuracy when inferring word meanings. The relationship between SES, vocabulary, and inferring word meaning was moderated by age, such that the influence of vocabulary on task performance was strongest in young children. The reading pathway did not interact with age effects, indicating reading is an important contributor to SES-related differences in how children infer a word's meaning throughout grade school. These findings highlight different paths by which children's trajectories for inferring word meanings may be impacted.
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Affiliation(s)
- J M Schneider
- Louisiana State University, 217 Thomas Boyd Hall, Baton Rouge, LA 70803
| | - A D Abel
- San Diego State University, 5500 Campanile Dr, San Diego, CA 92182 United States
| | - M J Maguire
- The University of Texas at Dallas, 1966 Inwood Rd., Dallas, TX 75235, United States
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Maguire MJ, Schneider JM, Melamed TC, Ralph YK, Poudel S, Raval VM, Mikhail D, Abel AD. Temporal and topographical changes in theta power between middle childhood and adolescence during sentence comprehension. Dev Cogn Neurosci 2021; 53:101056. [PMID: 34979479 PMCID: PMC8728578 DOI: 10.1016/j.dcn.2021.101056] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 12/15/2021] [Accepted: 12/29/2021] [Indexed: 11/08/2022] Open
Abstract
Time frequency analysis of the EEG is increasingly used to study the neural oscillations supporting language comprehension. Although this method holds promise for developmental research, most existing work focuses on adults. Theta power (4–8 Hz) in particular often corresponds to semantic processing of words in isolation and in ongoing text. Here we investigated how the timing and topography of theta engagement to individual words during written sentence processing changes between childhood and adolescence (8–15 years). Results show that topographically, the theta response is broadly distributed in children, occurring over left and right central-posterior and midline frontal areas, and localizes to left central-posterior areas by adolescence. There were two notable developmental shifts. First, in response to each word, early (150–300 msec) theta engagement over frontal areas significantly decreases between 8 and 9 years and 10–11 years. Second, throughout the sentence, theta engagement over the right parietal areas significantly decreases between 10 and 11 years and 12–13 years with younger children’s theta response remaining significantly elevated between words compared to adolescents’. We found no significant differences between 12 and 13 years and 14–15 years. These findings indicate that children’s engagement of the language network during sentence processing continues to change through middle childhood but stabilizes into adolescence.
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Affiliation(s)
- Mandy J Maguire
- University of Texas at Dallas Callier Center for Communication Disorders, 1966 Inwood Rd, Dallas, TX 75235, USA.
| | - Julie M Schneider
- Louisiana State University, 217 Thomas Boyd Hall, Baton Rouge, LA 70803, USA
| | - Tina C Melamed
- University of Texas at Dallas Callier Center for Communication Disorders, 1966 Inwood Rd, Dallas, TX 75235, USA
| | - Yvonne K Ralph
- University of Texas at Dallas Callier Center for Communication Disorders, 1966 Inwood Rd, Dallas, TX 75235, USA
| | - Sonali Poudel
- University of Texas at Dallas Callier Center for Communication Disorders, 1966 Inwood Rd, Dallas, TX 75235, USA
| | - Vyom M Raval
- University of Texas at Dallas Callier Center for Communication Disorders, 1966 Inwood Rd, Dallas, TX 75235, USA
| | - David Mikhail
- University of Texas at Dallas Callier Center for Communication Disorders, 1966 Inwood Rd, Dallas, TX 75235, USA
| | - Alyson D Abel
- San Diego State University, 5500 Campanile Dr, San Diego, CA 92182, USA
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Harvey JN, Hibbs R, Maguire MJ, O'Connell H, Gregory JW. The changing incidence of childhood-onset type 1 diabetes in Wales: Effect of gender and season at diagnosis and birth. Diabetes Res Clin Pract 2021; 175:108739. [PMID: 33711398 DOI: 10.1016/j.diabres.2021.108739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/15/2021] [Accepted: 02/22/2021] [Indexed: 10/22/2022]
Abstract
AIMS Determinants of the changing incidence of childhood-onset type 1 diabetes remain uncertain. We determined the recent time-trend of type 1 diabetes incidence in Wales and explored the role of vitamin D by evaluating the influence of season both at diagnosis and at birth. METHODS Data from all Welsh paediatric units 1990-2019, and from primary care to determine ascertainment. RESULTS Log-linear modelling indicated a non-linear secular trend in incidence with peak and subsequent decline. The peak occurred around June 2010: 31∙3 cases/year/100,000 children aged < 15y. It occurred earlier in children younger at diagnosis and earlier in boys. There were more cases in males aged <2y and >12y but more in females aged 9-10 y. More were diagnosed in winter. Also, children born in winter had less risk of future diabetes. CONCLUSIONS The risk of developing type 1 diabetes before age 15y in Wales is no longer increasing. The data on season are consistent with a preventative role for vitamin D both during pregnancy and later childhood. Metereological Office data shows increasing hours of sunlight since 1980 likely to increase vitamin D levels with less diabetes. Additional dietary supplementation with vitamin D might further reduce the incidence of type 1 diabetes.
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Affiliation(s)
- J N Harvey
- Wrexham Academic Unit, Bangor University, United Kingdom.
| | - R Hibbs
- Wrexham Academic Unit, Bangor University, United Kingdom
| | - M J Maguire
- Department of Child Health, Prince Charles Hospital, Merthyr Tydfil, United Kingdom
| | - H O'Connell
- Division of Population Health, School of Medicine, Cardiff University, United Kingdom
| | - J W Gregory
- Division of Population Health, School of Medicine, Cardiff University, United Kingdom
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Schneider JM, Abel AD, Momsen J, Melamed TC, Maguire MJ. Neural oscillations reveal differences in the process of word learning among school-aged children from lower socioeconomic status backgrounds. Neurobiol Lang (Camb) 2021; 2:372-388. [PMID: 34447943 PMCID: PMC8386290 DOI: 10.1162/nol_a_00040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 04/14/2021] [Indexed: 05/21/2023]
Abstract
Building a robust vocabulary in grade school is essential for academic success. Children from lower socioeconomic status (SES) households on average perform below their higher SES peers on word learning tasks, negatively impacting their vocabulary; however, significant variability exists within this group. Many children from low SES homes perform as well as, or better than, their higher SES peers on measures of word learning. The current study addresses what processes underlie this variability, by comparing the neural oscillations of 44 better versus worse word learners (ages 8-15 years) from lower SES households as they infer the meaning of unknown words. Better word learners demonstrated increases in theta and beta power as a word was learned, whereas worse word learners exhibited decreases in alpha power. These group differences in neural oscillatory engagement during word learning indicate there may be different strategies employed based on differences in children's skills. Notably, children with greater vocabulary knowledge are more likely to exhibit larger beta increases; a strategy which is associated with better word learning. This sheds new light on the mechanisms that support word learning in children from low SES households.
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Affiliation(s)
| | | | - Jacob Momsen
- San Diego State University, San Diego, CA, USA
- University of California San Diego, La Jolla, CA, USA
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Ralph YK, Berinhout K, Maguire MJ. Gender differences in mothers' spatial language use and children's mental rotation abilities in Preschool and Kindergarten. Dev Sci 2020; 24:e13037. [PMID: 32931085 DOI: 10.1111/desc.13037] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 07/18/2020] [Accepted: 08/29/2020] [Indexed: 01/30/2023]
Abstract
Mental rotation has emerged as an important predictor of success in Science, Technology, Engineering, and Math (STEM). By the age of 4.5 years, boys outperform girls in these abilities. Because parents use less spatial language with girls at this age (Pruden and Levine, 2017), the amount of spatial language that children are exposed to at home is believed to be one potential contributor to this disparity in preschool age children. To date, it is unclear if this gender difference continues when children enter school. To address this question in this study, children not yet in kindergarten (PreK) and kindergarten and first grade children (K+) were recorded playing with their mothers using magnetic tile toys followed by children's completion of a mental rotation task. As expected, mothers used more spatial language with PreK boys than girls; however, this relationship reversed in K+, with mothers using significantly more spatial language with girls than boys. Surprisingly, despite this, boys outperformed girls on the mental rotation task. These findings suggest that although girls' exposure to spatial language is higher after entry into school, this language difference is not reflected in increases in mental rotation abilities. Thus, earlier exposure to spatial language may be vital for the development of mental rotation abilities.
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Affiliation(s)
- Yvonne K Ralph
- Callier Center for Communication Disorders, The University of Texas, Dallas, Texas, USA
| | - Kate Berinhout
- Callier Center for Communication Disorders, The University of Texas, Dallas, Texas, USA
| | - Mandy J Maguire
- Callier Center for Communication Disorders, The University of Texas, Dallas, Texas, USA
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Ralph YK, Schneider JM, Abel AD, Maguire MJ. Using the N400 event-related potential to study word learning from context in children from low- and higher-socioeconomic status homes. J Exp Child Psychol 2019; 191:104758. [PMID: 31855830 DOI: 10.1016/j.jecp.2019.104758] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 11/07/2019] [Accepted: 11/12/2019] [Indexed: 11/27/2022]
Abstract
Children from low-socioeconomic status (SES) homes have significantly smaller vocabularies than their higher-SES peers, a gap that increases over the course of the school years. One reason for the increase in this vocabulary gap during the school years is that children from low-SES homes learn fewer words from context than their higher-SES peers. To better understand how the process of word learning from context might differ in children related to SES, we investigated changes in the N400 event-related potential (ERP) as children from low- and higher-SES homes learned new words using only the surrounding linguistic context. There were no differences in the N400 response to known words related to SES. In response to the target word being learned, children from higher-SES homes, like adults in previous studies, exhibited an attenuation of the N400 across exposures as they attached meaning to it. Children from low-SES homes did not show this same attenuation. These findings support previous work showing that children from low-SES homes may have differences or more variability in the neural components supporting language processing, and they extend previous work to illustrate how this variability may relate to word learning and, ultimately, vocabulary growth.
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Affiliation(s)
- Yvonne K Ralph
- Callier Center for Communication Disorders, The University of Texas at Dallas, Dallas, TX 75235, USA.
| | - Julie M Schneider
- Department of Linguistics and Cognitive Science, The University of Delaware, Newark, DE 19716, USA
| | - Alyson D Abel
- School of Speech, Language, & Hearing Sciences, San Diego State University, San Diego, CA 92182, USA
| | - Mandy J Maguire
- Callier Center for Communication Disorders, The University of Texas at Dallas, Dallas, TX 75235, USA
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Maguire MJ, Schneider JM. Socioeconomic status related differences in resting state EEG activity correspond to differences in vocabulary and working memory in grade school. Brain Cogn 2019; 137:103619. [DOI: 10.1016/j.bandc.2019.103619] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 08/13/2019] [Accepted: 10/07/2019] [Indexed: 01/21/2023]
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14
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Schneider JM, Maguire MJ. Developmental differences in the neural correlates supporting semantics and syntax during sentence processing. Dev Sci 2019; 22:e12782. [DOI: 10.1111/desc.12782] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 10/23/2018] [Accepted: 11/26/2018] [Indexed: 11/30/2022]
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15
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Schneider JM, Abel AD, Ogiela DA, McCord C, Maguire MJ. Developmental differences in the neural oscillations underlying auditory sentence processing in children and adults. Brain Lang 2018; 186:17-25. [PMID: 30199760 DOI: 10.1016/j.bandl.2018.09.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 08/21/2018] [Accepted: 09/03/2018] [Indexed: 06/08/2023]
Abstract
Although very young children seem to process ongoing language quickly and effortlessly, neuroimaging and behavioral studies reveal that children continue to mature in their language skills through adolescence. During this prolonged development, children likely engage the same basic cognitive processes and neural mechanisms to perform language tasks as adults, but in somewhat different ways. In this study we used time frequency analysis of EEG to identify developmental differences in the engagement of neural oscillations between children (ages 10-12) and adults while listening to naturally-paced sentences. Adults displayed consistent beta changes throughout the sentence compared to children, thought to be related to efficient syntactic integration, and children displayed more broadly distributed theta changes than adults, thought to be related to more effortful semantic integration. Few differences in alpha, related to verbal working memory, existed between groups. These findings shed new light on developmental changes in the neuronal processes underlying language comprehension.
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Motes MA, Spence JS, Brier MR, Chiang HS, DeLaRosa BL, Eroh J, Maguire MJ, Mudar RA, Tillman GD, Kraut MA, Hart J. Conjoint differences in inhibitory control and processing speed in childhood to older adult cohorts: Discriminant functions from a Go/No-Go task. Psychol Aging 2018; 33:1070-1078. [PMID: 30284853 DOI: 10.1037/pag0000299] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
To investigate differences in inhibitory control and processing speed over the life span, participants in 7- to 8-, 10- to 11-, 12- to 15-, 18- to 25-, and 54- to 80-year-old age cohorts completed a Go/No-Go task requiring varying levels of semantic categorization. Discriminant function analysis of correct rejection rates (CRRs), hit rates (HRs), and reaction times (RTs) revealed a function on which CRR loaded positively and RT loaded negatively, across categorization levels. Scores increased from youngest to the younger adult cohort and decreased for the older adult cohort. On a second function, CRR and RT loaded positively and HR loaded negatively across categorization levels. Scores were highest for the older adult cohort and higher for the youngest cohort than for the younger adult cohort. The results suggest change along 2 dimensions might underlie cognitive development: (a) combined increased inhibitory control and processing speed and (b) combined increased speed and decreased biased responding for better inhibitory control. In addition, 2 dimensions might underlie senescence: (a) combined decreased inhibitory control and processing speed and (b) combined decreased speed and increased biased responding for better inhibitory control. (PsycINFO Database Record (c) 2018 APA, all rights reserved).
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - John Hart
- School of Behavioral and Brain Sciences
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Schneider JM, Maguire MJ. Identifying the relationship between oscillatory dynamics and event-related responses. Int J Psychophysiol 2018; 133:182-192. [PMID: 29981766 DOI: 10.1016/j.ijpsycho.2018.07.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 07/03/2018] [Accepted: 07/04/2018] [Indexed: 10/28/2022]
Abstract
Event related potentials (ERPs) and time frequency analysis of the EEG can identify the temporally distinct coordination of groups of neurons across brain regions during sentence processing. Although there are strong arguments that ERP components and neural oscillations are driven by the same changes in the neural signal, others argue that the lack of clear associations between the two suggests oscillatory dynamics are more than just time frequency representations of ERP components, making it unclear how the two are related. The current study seeks to examine the neural activity underlying auditory sentence processing of both semantic and syntactic errors to clarify if ERP and time frequency analyses identify the same or unique neural responses. Thirty-nine adults completed an auditory semantic judgment task and a grammaticality judgment task. As expected, the semantic judgment task elicited a larger N400 and greater increase in theta power for semantic errors compared to correct sentences and the syntactic judgment task elicited a greater P600 and beta power decrease for both grammatical error types compared to syntactically correct sentences. Importantly, we identified a significant relationship between the N400 and P600 ERPs and theta and beta oscillatory dynamics during semantic and syntactic processing. These findings suggest that ERPs and neural oscillations measure similar neural processes; however, unaccounted for variance may indicate that neural oscillations provide additional information regarding fluctuations in power within a given frequency band. Future studies that vary semantic and syntactic complexity are necessary to understand the cognitive processes that are indexed by these oscillations.
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18
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Maguire MJ, Schneider JM, Middleton AE, Ralph Y, Lopez M, Ackerman RA, Abel AD. Vocabulary knowledge mediates the link between socioeconomic status and word learning in grade school. J Exp Child Psychol 2018; 166:679-695. [DOI: 10.1016/j.jecp.2017.10.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 10/03/2017] [Accepted: 10/04/2017] [Indexed: 10/18/2022]
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19
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Nguyen LT, Mudar RA, Chiang HS, Schneider JM, Maguire MJ, Kraut MA, Hart J. Theta and Alpha Alterations in Amnestic Mild Cognitive Impairment in Semantic Go/NoGo Tasks. Front Aging Neurosci 2017; 9:160. [PMID: 28588479 PMCID: PMC5440918 DOI: 10.3389/fnagi.2017.00160] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 05/08/2017] [Indexed: 12/29/2022] Open
Abstract
Growing evidence suggests that cognitive control processes are impaired in amnestic mild cognitive impairment (aMCI); however the nature of these alterations needs further examination. The current study examined differences in electroencephalographic theta and alpha power related to cognitive control processes involving response execution and response inhibition in 22 individuals with aMCI and 22 age-, sex-, and education-matched cognitively normal controls. Two Go/NoGo tasks involving semantic categorization were used. In the basic categorization task, Go/NoGo responses were made based on exemplars of a single car (Go) and a single dog (NoGo). In the superordinate categorization task, responses were made based on multiple exemplars of objects (Go) and animals (NoGo). Behavioral data showed that the aMCI group had more false alarms during the NoGo trials compared to controls. The EEG data revealed between group differences related to response type in theta (4–7 Hz) and low-frequency alpha (8–10 Hz) power. In particular, the aMCI group differed from controls in theta power during the NoGo trials at frontal and parietal electrodes, and in low-frequency alpha power during Go trials at parietal electrodes. These results suggest that alterations in theta power converge with behavioral deterioration in response inhibition, whereas alterations in low-frequency alpha power appear to precede behavioral changes in response execution. Both behavioral and electrophysiological correlates combined provide a more comprehensive characterization of cognitive control deficits in aMCI.
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Affiliation(s)
- Lydia T Nguyen
- Neuroscience Program, University of Illinois at Urbana-ChampaignChampaign, IL, United States
| | - Raksha A Mudar
- Neuroscience Program, University of Illinois at Urbana-ChampaignChampaign, IL, United States.,Department of Speech and Hearing Science, University of Illinois at Urbana-ChampaignChampaign, IL, United States
| | - Hsueh-Sheng Chiang
- School of Behavioral and Brain Sciences, The University of Texas at DallasRichardson, TX, United States
| | - Julie M Schneider
- School of Behavioral and Brain Sciences, The University of Texas at DallasRichardson, TX, United States
| | - Mandy J Maguire
- School of Behavioral and Brain Sciences, The University of Texas at DallasRichardson, TX, United States
| | - Michael A Kraut
- Department of Radiology, The Johns Hopkins University School of MedicineBaltimore, MD, United States
| | - John Hart
- School of Behavioral and Brain Sciences, The University of Texas at DallasRichardson, TX, United States
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20
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Schwarz AL, VAN Kleeck A, Maguire MJ, Abdi H. Do acting out verbs with dolls and comparison learning between scenes boost toddlers' verb comprehension? J Child Lang 2017; 44:719-733. [PMID: 26975897 DOI: 10.1017/s0305000916000076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
To better understand how toddlers integrate multiple learning strategies to acquire verbs, we compared sensorimotor recruitment and comparison learning because both strategies are thought to boost children's access to scene-level information. For sensorimotor recruitment, we tested having toddlers use dolls as agents and compared this strategy with having toddlers observe another person enact verbs with dolls. For comparison learning, we compared providing pairs of: (a) training scenes in which animate objects with similar body-shapes maintained agent/patient roles with (b) scenes in which objects with dissimilar body-shapes switched agent/patient roles. Only comparison learning boosted verb comprehension.
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Chiang HS, Eroh J, Spence JS, Motes MA, Maguire MJ, Krawczyk DC, Brier MR, Hart J, Kraut MA. Common and differential electrophysiological mechanisms underlying semantic object memory retrieval probed by features presented in different stimulus types. Int J Psychophysiol 2016; 106:77-86. [DOI: 10.1016/j.ijpsycho.2016.06.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 06/04/2016] [Accepted: 06/17/2016] [Indexed: 11/16/2022]
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22
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Mudar RA, Chiang HS, Eroh J, Nguyen LT, Maguire MJ, Spence JS, Kung F, Kraut MA, Hart J. The Effects of Amnestic Mild Cognitive Impairment on Go/NoGo Semantic Categorization Task Performance and Event-Related Potentials. J Alzheimers Dis 2016; 50:577-90. [DOI: 10.3233/jad-150586] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Raksha A. Mudar
- Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign, Champaign, IL, USA
- Neuroscience Program, University of Illinois at Urbana-Champaign, Champaign, IL, USA
- Center for BrainHealth, The University of Texas at Dallas, Dallas, TX, USA
| | - Hsueh-Sheng Chiang
- Center for BrainHealth, The University of Texas at Dallas, Dallas, TX, USA
| | - Justin Eroh
- Center for BrainHealth, The University of Texas at Dallas, Dallas, TX, USA
| | - Lydia T. Nguyen
- Neuroscience Program, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - Mandy J. Maguire
- Center for BrainHealth, The University of Texas at Dallas, Dallas, TX, USA
| | - Jeffrey S. Spence
- Center for BrainHealth, The University of Texas at Dallas, Dallas, TX, USA
| | - Fanting Kung
- Department of Speech and Hearing Science, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - Michael A. Kraut
- Department of Radiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - John Hart
- Center for BrainHealth, The University of Texas at Dallas, Dallas, TX, USA
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Abel AD, Maguire MJ, Naqvi FM, Kim AY. Lexical Retrieval of Nouns and Verbs in a Sentence Completion Task. J Psycholinguist Res 2015; 44:545-553. [PMID: 24898421 DOI: 10.1007/s10936-014-9304-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This study explored noun and verb retrieval using a sentence completion task to expand upon previous findings from picture naming tasks. Participants completed sentences missing either a target noun or verb in the final position. Non-target responses were coded for substitution type, imageability and frequency. Like picture naming, nouns and verbs differed in non-target substitution type-within-category substitutions were primarily nouns and out-of-category substitutions were primarily verbs. Imageability predicted multiple substitution types for both word classes, whereas frequency predicted noun substitution types but not verbs. Findings support theories of noun and verb differences in semantic retrieval, showing the robustness of this effect across methodologies, and shed new light on the influence of imageability and frequency during semantic retrieval.
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Affiliation(s)
- Alyson D Abel
- Callier Center for Communication Disorders, School of Behavioral and Brain Sciences, The University of Texas at Dallas, 1966 Inwood Rd., Dallas, TX, 75235, USA,
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24
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Maguire MJ, Magnon G, Fitzhugh AE. Improving data retention in EEG research with children using child-centered eye tracking. J Neurosci Methods 2014; 238:78-81. [PMID: 25251555 DOI: 10.1016/j.jneumeth.2014.09.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 08/24/2014] [Accepted: 09/12/2014] [Indexed: 10/24/2022]
Abstract
BACKGROUND Event Related Potentials (ERPs) elicited by visual stimuli have increased our understanding of developmental disorders and adult cognitive abilities for decades; however, these studies are very difficult with populations who cannot sustain visual attention such as infants and young children. Current methods for studying such populations include requiring a button response, which may be impossible for some participants, and experimenter monitoring, which is subject to error, highly variable, and spatially imprecise. NEW METHOD We developed a child-centered methodology to integrate EEG data acquisition and eye-tracking technologies that uses "attention-getters" in which stimulus display is contingent upon the child's gaze. The goal was to increase the number of trials retained. Additionally, we used the eye-tracker to categorize and analyze the EEG data based on gaze to specific areas of the visual display, compared to analyzing based on stimulus presentation. RESULTS COMPARED WITH EXISTING METHODS The number of trials retained was substantially improved using the child-centered methodology compared to a button-press response in 7-8 year olds. In contrast, analyzing the EEG based on eye gaze to specific points within the visual display as opposed to stimulus presentation provided too few trials for reliable interpretation. CONCLUSIONS By using the linked EEG-eye-tracker we significantly increased data retention. With this method, studies can be completed with fewer participants and a wider range of populations. However, caution should be used when epoching based on participants' eye gaze because, in this case, this technique provided substantially fewer trials.
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25
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Motes MA, Gamino JF, Chapman SB, Rao NK, Maguire MJ, Brier MR, Kraut MA, Hart J. Inhibitory control gains from higher-order cognitive strategy training. Brain Cogn 2013; 84:44-62. [PMID: 24286804 DOI: 10.1016/j.bandc.2013.10.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 10/26/2013] [Accepted: 10/26/2013] [Indexed: 11/25/2022]
Abstract
The present study examined the transfer of higher-order cognitive strategy training to inhibitory control. Middle school students enrolled in a comprehension- and reasoning-focused cognitive strategy training program and passive controls participated. The training program taught students a set of steps for inferring essential gist or themes from materials. Both before and after training or a comparable duration in the case of the passive controls, participants completed a semantically cued Go/No-Go task that was designed to assess the effects of depth of semantic processing on response inhibition and components of event-related potentials (ERP) related to response inhibition. Depth of semantic processing was manipulated by varying the level of semantic categorization required for response selection and inhibition. The SMART-trained group showed inhibitory control gains and changes in fronto-central P3 ERP amplitudes on inhibition trials; whereas, the control group did not. The results provide evidence of the transfer of higher-order cognitive strategy training to inhibitory control and modulation of ERPs associated with semantically cued inhibitory control. The findings are discussed in terms of implications for cognitive strategy training, models of cognitive abilities, and education.
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Affiliation(s)
- Michael A Motes
- Center for BrainHealth, School of Behavioral & Brain Sciences, University of Texas at Dallas, United States.
| | - Jacquelyn F Gamino
- Center for BrainHealth, School of Behavioral & Brain Sciences, University of Texas at Dallas, United States
| | - Sandra B Chapman
- Center for BrainHealth, School of Behavioral & Brain Sciences, University of Texas at Dallas, United States
| | - Neena K Rao
- Center for BrainHealth, School of Behavioral & Brain Sciences, University of Texas at Dallas, United States
| | - Mandy J Maguire
- Center for BrainHealth, School of Behavioral & Brain Sciences, University of Texas at Dallas, United States; Callier Center for Communication Disorders, School of Behavioral & Brain Sciences, University of Texas at Dallas, United States
| | - Matthew R Brier
- Medical Scientist Training Program and Program in Neuroscience, Washington University in St. Louis, United States
| | - Michael A Kraut
- Department of Radiology, Johns Hopkins University School of Medicine, United States
| | - John Hart
- Center for BrainHealth, School of Behavioral & Brain Sciences, University of Texas at Dallas, United States; Department of Neurology, University of Texas Southwestern Medical Center at Dallas, United States
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26
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Maguire MJ, Abel AD. What changes in neural oscillations can reveal about developmental cognitive neuroscience: language development as a case in point. Dev Cogn Neurosci 2013; 6:125-36. [PMID: 24060670 DOI: 10.1016/j.dcn.2013.08.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 07/19/2013] [Accepted: 08/17/2013] [Indexed: 11/30/2022] Open
Abstract
EEG is a primary method for studying temporally precise neuronal processes across the lifespan. Most of this work focuses on event related potentials (ERPs); however, using time-locked time frequency analysis to decompose the EEG signal can identify and distinguish multiple changes in brain oscillations underlying cognition (Bastiaansen et al., 2010). Further this measure is thought to reflect changes in inter-neuronal communication more directly than ERPs (Nunez and Srinivasan, 2006). Although time frequency has elucidated cognitive processes in adults, applying it to cognitive development is still rare. Here, we review the basics of neuronal oscillations, some of what they reveal about adult cognitive function, and what little is known relating to children. We focus on language because it develops early and engages complex cortical networks. Additionally, because time frequency analysis of the EEG related to adult language comprehension has been incredibly informative, using similar methods with children will shed new light on current theories of language development and increase our understanding of how neural processes change over the lifespan. Our goal is to emphasize the power of this methodology and encourage its use throughout developmental cognitive neuroscience.
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Affiliation(s)
- Mandy J Maguire
- Callier Center for Communication Disorders, School of Behavioral and Brain Sciences, University of Texas at Dallas, United States.
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27
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Hart J, Maguire MJ, Motes M, Mudar RA, Chiang HS, Womack KB, Kraut MA. Semantic memory retrieval circuit: role of pre-SMA, caudate, and thalamus. Brain Lang 2013; 126:89-98. [PMID: 22964132 DOI: 10.1016/j.bandl.2012.08.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 07/06/2012] [Accepted: 08/13/2012] [Indexed: 06/01/2023]
Abstract
We propose that pre-supplementary motor area (pre-SMA)-thalamic interactions govern processes fundamental to semantic retrieval of an integrated object memory. At the onset of semantic retrieval, pre-SMA initiates electrical interactions between multiple cortical regions associated with semantic memory subsystems encodings as indexed by an increase in theta-band EEG power. This starts between 100-150 ms after stimulus presentation and is sustained throughout the task. We posit that this activity represents initiation of the object memory search, which continues in searching for an object memory. When the correct memory is retrieved, there is a high beta-band EEG power increase, which reflects communication between pre-SMA and thalamus, designates the end of the search process and resultant in object retrieval from multiple semantic memory subsystems. This high beta signal is also detected in cortical regions. This circuit is modulated by the caudate nuclei to facilitate correct and suppress incorrect target memories.
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Affiliation(s)
- John Hart
- Berman Laboratory for Learning and Memory, Center for BrainHealth, Dallas, TX 75235, USA.
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28
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Maguire MJ, Magnon G, Ogiela DA, Egbert R, Sides L. The N300 ERP component reveals developmental changes in object and action identification. Dev Cogn Neurosci 2012; 5:1-9. [PMID: 23287022 DOI: 10.1016/j.dcn.2012.11.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Revised: 11/11/2012] [Accepted: 11/29/2012] [Indexed: 10/27/2022] Open
Abstract
Semantic mastery includes quickly identifying object and action referents in the environment. Given the relational nature of action verbs compared to object nouns, how do these processes differ in children and adults? To address this question the Event Related Potentials (EPRs) of 8-9 year olds and adults were recorded as they performed a picture-matching task in which a noun (chair) or verb (sit) was followed by a picture of an object and action (a man sitting in a chair). Adults and children displayed similar central N400 congruency effects in response to objects and actions. Developmental differences were revealed in the N300. Adults displayed N300 differences between congruent and incongruent items for both objects and actions. Children, however, exhibited an N300 congruency effect only for objects, indicating that although object noun representations may be adult-like, action verb representations continue to solidify through middle childhood. Surprisingly, adults also exhibited a posterior congruency effect that was not found in children. This is similar to the late positive component (LPC) reported by other studies of semantic picture processing, but the lack of such a response in children raises important questions about the development of semantic integration.
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Affiliation(s)
- Mandy J Maguire
- University of Texas at Dallas, Callier Center for Communication Disorders, TX 75235, USA.
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Maguire MJ, McClelland MM, Donovan CM, Tillman GD, Krawczyk DC. Tracking cognitive phases in analogical reasoning with event-related potentials. J Exp Psychol Learn Mem Cogn 2011; 38:273-81. [PMID: 22103786 DOI: 10.1037/a0025485] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Analogical reasoning consists of multiple phases. Four-term analogies (A:B::C:D) have an encoding period in which the A:B pair is evaluated prior to a mapping phase. The electrophysiological timing associated with analogical reasoning has remained unclear. We used event-related potentials to identify neural timing related to analogical reasoning relative to perceptual and semantic control conditions. Spatiotemporal principal-components analyses revealed differences primarily in left frontal electrodes during encoding and mapping phases of analogies relative to the other conditions. The timing of the activity differed depending upon the phase of the problem. During the encoding of A:B terms, analogies elicited a positive deflection compared to the control conditions between 400 and 1,200 ms, but for the mapping phase analogical processing elicited a negative deflection that occurred earlier and for a shorter time period, between 350 and 625 ms. These results provide neural and behavioral evidence that 4-term analogy problems involve a highly active evaluation phase of the A:B pair.
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Affiliation(s)
- Mandy J Maguire
- Center for Brain Health, University of Texas at Dallas, 2200 West Mockingbird Lane, Dallas, TX 75235, USA.
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Maguire MJ, Brumberg J, Ennis M, Shipley TF. Similarities in Object and Event Segmentation: A Geometric Approach to Event Path Segmentation. Spatial Cognition & Computation 2011. [DOI: 10.1080/13875868.2011.566955] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Maguire MJ, White J, Brier MR. How semantic categorization influences inhibitory processing in middle-childhood: an Event Related Potentials study. Brain Cogn 2011; 76:77-86. [PMID: 21440972 DOI: 10.1016/j.bandc.2011.02.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Revised: 01/11/2011] [Accepted: 02/25/2011] [Indexed: 11/29/2022]
Abstract
Throughout middle-childhood, inhibitory processes, which underlie many higher order cognitive tasks, are developing. Little is known about how inhibitory processes change as a task becomes conceptually more difficult during these important years. In adults, as Go/NoGo tasks become more difficult there is a systematic decrease in the P3NoGo response, indicating the use of effective inhibitory strategies (Maguire et al., 2009). This paper investigates the age at which children employ similar inhibitory strategies by studying behavioral and Event Related Potential (ERP) measures of response inhibition for three Go/NoGo tasks. Seventeen 7-8 year-olds and twenty 10-11-year-olds completed three Go/NoGo tasks that differed in the level of categorization necessary to respond. Both age groups displayed slower reaction times as the tasks became more difficult. Further, both groups displayed the predicted Go vs. NoGo P3 amplitude differences in the two simplest tasks, but no significant P3 differences for the most complex task. The reason for this pattern of responses was different in the different age groups. Similar to adults in previous work, the oldest children showed an attenuation of the P3 NoGo response with task difficulty, and no corresponding changes in the Go amplitude. The younger children displayed the opposite pattern, a significant increase in the Go amplitude with task difficulty, and no changes in the NoGo response. These response patterns indicate that efficient inhibitory strategies are developing throughout middle-childhood.
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Affiliation(s)
- Mandy J Maguire
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Callier Center for Communication Disorders, Dallas, TX 75235, USA.
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32
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Brier MR, Ferree TC, Maguire MJ, Moore P, Spence J, Tillman GD, Hart, Jr. J, Kraut MA. Frontal theta and alpha power and coherence changes are modulated by semantic complexity in Go/NoGo tasks. Int J Psychophysiol 2010; 78:215-24. [DOI: 10.1016/j.ijpsycho.2010.07.011] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2010] [Revised: 07/26/2010] [Accepted: 07/30/2010] [Indexed: 11/25/2022]
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Tillman GD, Green TA, Ferree TC, Calley CS, Maguire MJ, Briggs R, Hart J, Haley RW, Kraut MA. Impaired response inhibition in ill Gulf War veterans. J Neurol Sci 2010; 297:1-5. [PMID: 20719339 DOI: 10.1016/j.jns.2010.07.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2010] [Revised: 07/19/2010] [Accepted: 07/26/2010] [Indexed: 11/15/2022]
Abstract
Poor performance on tasks requiring response inhibition has been observed among chronically ill veterans of the 1991 Persian Gulf War. Semantic difficulties have also been reported. We collected event-related potential (ERP) and behavioral data from 25 Gulf War veterans who complained of cognitive difficulties and from 23 matched controls, who were deployed but not symptomatic, while they performed a GO-NOGO task that required both a semantic decision and inhibitory processing. A significantly greater false-alarm rate among the ill veterans was accompanied in the ERP data by significantly reduced amplitude in the NOGO P3, consistent with previous ERP studies of other patient groups that have shown poor inhibitory response performance. This supports the contention that the ill veterans' deficit lies more in inhibiting than in detecting task-related differences in the stimuli.
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Affiliation(s)
- Gail D Tillman
- School of Behavioral and Brain Sciences, Center for BrainHealth, The University of Texas at Dallas, Dallas, TX, United States
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Maguire MJ, Brier MR, Ferree TC. EEG theta and alpha responses reveal qualitative differences in processing taxonomic versus thematic semantic relationships. Brain Lang 2010; 114:16-25. [PMID: 20403632 DOI: 10.1016/j.bandl.2010.03.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2009] [Revised: 03/09/2010] [Accepted: 03/19/2010] [Indexed: 05/29/2023]
Abstract
Despite the importance of semantic relationships to our understanding of semantic knowledge, the nature of the neural processes underlying these abilities are not well understood. In order to investigate these processes, 20 healthy adults listened to thematically related (e.g., leash-dog), taxonomically related (e.g., horse-dog), or unrelated (e.g., desk-dog) noun pairs as their EEG was recorded. The data were analyzed using both event-related potentials (ERP) and event-related spectral perturbation (ERSP) analyses. The spatiotemporal ERP and ERSP results were analyzed further with principal component analysis (PCA). When comparing unrelated to related word pairs, the expected N400 effect was confirmed, as well as differences in theta and alpha oscillations. When comparing thematically and taxonomically related word pairs, the ERP revealed no significant differences, but the ERSP did. Specifically, theta power increased over right frontal areas for thematic versus taxonomic relationships and alpha power increased over parietal areas for taxonomic versus thematic relationships. The different oscillatory patterns over different brain regions suggest that thematic and taxonomic relationships engage distinct neural processes. Specifically, thematic relationships engage memory processes, while taxonomic relationships may require additional inhibitory or attention processes.
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Affiliation(s)
- Mandy J Maguire
- Callier Center for Communication Disorders, University of Texas at Dallas, 75235, United States.
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Maguire MJ, Hirsh-Pasek K, Golinkoff RM, Imai M, Haryu E, Vanegas S, Okada H, Pulverman R, Sanchez-Davis B. A developmental shift from similar to language-specific strategies in verb acquisition: a comparison of English, Spanish, and Japanese. Cognition 2009; 114:299-319. [PMID: 19897183 DOI: 10.1016/j.cognition.2009.10.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2008] [Revised: 09/29/2009] [Accepted: 10/02/2009] [Indexed: 10/20/2022]
Abstract
The world's languages draw on a common set of event components for their verb systems. Yet, these components are differentially distributed across languages. At what age do children begin to use language-specific patterns to narrow possible verb meanings? English-, Japanese-, and Spanish-speaking adults, toddlers, and preschoolers were shown videos of an animated star performing a novel manner along a novel path paired with a language-appropriate nonsense verb. They were then asked to extend that verb to either the same manner or the same path as in training. Across languages, toddlers (2- and 2.5-year-olds) revealed a significant preference for interpreting the verb as a path verb. In preschool (3- and 5-year-olds) and adulthood, the participants displayed language-specific patterns of verb construal. These findings illuminate the way in which verb construal comes to reflect the properties of the input language.
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Affiliation(s)
- Mandy J Maguire
- University of Texas at Dallas, Callier Center for Communication Disorders, 1966 Inwood Rd., Dallas, TX 75235, USA.
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Affiliation(s)
- Mandy J Maguire
- School of Behavioral and Brain Sciences, University of Texas, Dallas, TX 75235, USA.
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Abstract
This article reviews literature on the characteristics and possible interpretations of the event-related potential (ERP) peaks commonly identified in research. The description of each peak includes typical latencies, cortical distributions, and possible brain sources of observed activity as well as the evoking paradigms and underlying psychological processes. The review is intended to serve as a tutorial for general readers interested in neuropsychological research and as a reference source for researchers using ERP techniques.
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Golinkoff RM, Chung HL, Hirsh-Pasek K, Liu J, Bertenthal BI, Brand R, Maguire MJ, Hennon E. Young children can extend motion verbs to point-light displays. Dev Psychol 2003. [PMID: 12090489 DOI: 10.1037//0012-1649.38.4.604] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In the first study using point-light displays (lights corresponding to the joints of the human body) to examine children's understanding of verbs, 3-year-olds were tested to see if they could perceive familiar actions that corresponded to motion verbs (e.g., walking). Experiment 1 showed that children could extend familiar motion verbs (e.g., walking and dancing) to videotaped point-light actions shown in the intermodal preferential looking paradigm. Children watched the action that matched the requested verb significantly more than they watched the action that did not match the verb. In Experiment 2, the findings of Experiment 1 were validated by having children spontaneously produce verbs for these actions. The use of point-light displays may illuminate the factors that contribute to verb learning.
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Golinkoff RM, Chung HL, Hirsh-Pasek K, Liu J, Bertenthal BI, Brand R, Maguire MJ, Hennon E. Young children can extend motion verbs to point-light displays. Dev Psychol 2002; 38:604-14. [PMID: 12090489 DOI: 10.1037/0012-1649.38.4.604] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In the first study using point-light displays (lights corresponding to the joints of the human body) to examine children's understanding of verbs, 3-year-olds were tested to see if they could perceive familiar actions that corresponded to motion verbs (e.g., walking). Experiment 1 showed that children could extend familiar motion verbs (e.g., walking and dancing) to videotaped point-light actions shown in the intermodal preferential looking paradigm. Children watched the action that matched the requested verb significantly more than they watched the action that did not match the verb. In Experiment 2, the findings of Experiment 1 were validated by having children spontaneously produce verbs for these actions. The use of point-light displays may illuminate the factors that contribute to verb learning.
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Maguire MJ. The changing face of Catholic Ireland: conservatism and liberalism in the Ann Lovett and Kerry babies scandals. Fem Stud 2001; 27:335-358. [PMID: 17933076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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Abstract
Selenoprotein P is an extracellular protein that has been postulated to have an oxidant defense function. It has survival-promoting properties for cultured neurons and its mRNA is present in the brain. This study sought to determine the primary structure of rat brain selenoprotein P and to assess its production by cultured brain cells. The cDNA of selenoprotein P was isolated from a rat brain cDNA library and was found to encode the same peptide sequence as rat liver cDNA. Thus the primary structure of brain selenoprotein P is the same as selenoprotein P from liver. Astrocytes and a cerebellar granule cell preparation (CGC) were obtained from rat brains and established in culture. The CGC was estimated to contain up to 5% glial cells. Both preparations were shown to contain selenoprotein P mRNA. During incubation with (75)Se-labeled selenite, both cell preparations secreted a (75)Se-labeled protein into the medium that corresponded in size to selenoprotein P. Also, the (75)Se-labeled protein could be precipitated from both media with an antiserum to selenoprotein P. This shows that astrocytes and the CGC secrete selenoprotein P. Selenoprotein P is made in the brain and may have an oxidant defense function there.
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Affiliation(s)
- X Yang
- Division of Gastroenterology, Department of Medicine and Clinical Nutrition Research Unit, Medical Center North C2104, Vanderbilt University School of Medicine, Nashville, TN 37232-2279, USA
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Burr ML, Merrett TG, Dunstan FD, Maguire MJ. The development of allergy in high-risk children. Clin Exp Allergy 1997; 27:1247-53. [PMID: 9420127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND It is uncertain as to what extent the development of allergic disease in childhood is predictable during early infancy. A number of environmental factors have been suspected of increasing the risk of acquiring allergy, but the evidence is conflicting. OBJECTIVE To observe the development of atopy and allergic disease in a cohort of high-risk children so as to determine the importance of certain environmental factors and to study the relationship between early and later manifestations. METHODS A cohort of infants, all at high risk of allergy, was followed up from birth to the age of 7 years. In half, selected at random, cow's milk protein was avoided for 4 months. Skin-prick tests were performed and serum IgE measured in infancy and at 7 years, when an AlaTOP test was also performed. RESULTS Skin sensitivity to egg in the first year of life was strongly associated with eczema, asthma, mite sensitivity and serum IgE at the age of 7 years, when mother's atopic history was associated with AlaTOP status, father's atopic history with skin sensitivity, and male sex with both. Maternal smoking during pregnancy was associated positively with IgE at 3 months and negatively with skin sensitivity at 7 years. The development of allergy was unrelated to infant feeding method or number of older siblings. CONCLUSION Allergic disease in childhood is to a large degree determined before birth or during infancy.
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Affiliation(s)
- M L Burr
- Centre for Applied Public Health Medicine, University of Wales College of Medicine, Cardiff, UK
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Walmsley JA, Wilson RM, Garza LA, West RT, Lytle TE, Heldt RC, Maguire MJ. The effect of monovalent cations on the self-association of cytidylyl-(3-5')-guanosine and guanylyl-(3'5')-cytidine in aqueous solution. J Biomol Struct Dyn 1995; 13:319-37. [PMID: 8579791 DOI: 10.1080/07391102.1995.10508843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The hydrogen-bonding, base stacking, and formation of extended aggregates has been investigated for salts of guanylyl-3'-5')-cytidine, GpC, and cytidylyl-(3'-5')- guanosine, CpG, in which the cation was Na+, K+, or tetramethylammonium (TMA+). Variable temperature studies were done at 2-70 degrees C on aqueous solutions at pD4 and 8 using 1H NMR and FTIR. At low temperatures it has been found that at pD 8 both GpC and CpG form Watson-Crick dimers which stack upon each other to form larger species. A slight cation effect is observed below 35 degrees C which has the order: TMA+ > Na+ > K+. This order suggests that the cations are interacting with the phosphate and interactions with the bases are unlikely. The 1H NMR spectrum for TMACpG at pD 4 has been assigned and exhibits chemical shift differences from those at pD 8 which are consistent with protonation of the N3 of the cytidine residue. Based on NMR line broadening, CpG at pD 4 has a greater degree of self-association at low temperature than it or GpC have at pD 8. A different type of hydrogen bonding and self-association occur in CpG at pD 4 compared to pD 8, but the structures are uncertain. Due to hemi-protonation of the cytidine N3, parallel G-G/C-C+ base paired dimers or G-tetrads may be forming.
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Affiliation(s)
- J A Walmsley
- Division of Earth and Physical Sciences, University of Texas at San Antonio 78249, USA
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Abstract
The determinants of wheezing and allergy were investigated in 453 children with a family history of allergic disease. A randomised controlled trial examined the effects of withholding cows' milk protein during the first three months of life and replacing cows' milk with soya milk. The children were followed up to the age of 7 years. Withholding cows' milk did not reduce the incidence of allergy or wheezing. Children who had ever been breast fed had a lower incidence of wheeze than those who had not (59% and 74% respectively). The effect persisted to age 7 years in the non-atopics only, the risk of wheeze being halved in the breast fed children after allowing for employment status, sex passive smoking, and overcrowding. Allergic disease was not associated with exposure to tobacco smoke, house dust mite antigen, or cats. Breast feeding may confer long term protection against respiratory infection.
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Affiliation(s)
- M L Burr
- Centre for Applied Public Health Medicine, Cardiff, South Glamorgan
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Maguire MJ, Chawla V. An association between herbal medicine ingestion and renal failure in Zambian infants. J Trop Pediatr 1983; 29:213-4. [PMID: 6632042 DOI: 10.1093/tropej/29.4.213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Maguire MJ. The management of cerebral malaria in African children. East Afr Med J 1983; 60:260-5. [PMID: 6354691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Coleman AW, Maguire MJ, Coleman JR. Mithramycin- and 4'-6-diamidino-2-phenylindole (DAPI)-DNA staining for fluorescence microspectrophotometric measurement of DNA in nuclei, plastids, and virus particles. J Histochem Cytochem 1981; 29:959-68. [PMID: 6168681 DOI: 10.1177/29.8.6168681] [Citation(s) in RCA: 185] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The properties of two DNA-specific fluorochromes, 4'-6-diamidino-2-phenylindole (DAPI) and mithramycin, have been analyzed as reagents to quantitate cellular DNA by fluorescence microspectrophotometry. Optimal staining conditions and concentrations, and the effects of other cellular materials to which the dyes bind, have been evaluated in measurements of the DNA of rat, chick, and yeast nuclei, Gonyostomum chloroplasts, and T4 particles. Use of either fluorochrome permits a high degree of resolution of different DNA quantities in nuclei and in cell organelles, and the DAPI-DNA complex is sufficiently fluorescent to permit quantitation of the DNA content in genomes as small as those of individual T4 bacteriophage particles. Fluorescence of mithramycin- or DAPI-stained DNA is proportional to DNA quantity when DNA of the same has composition is compared. Quantitation does not appear to be affected discernably by the state of the DNA, whether in different stages of the cell cycle, in condensed chromosomes, or in noncycling, differentiated nuclei. The use of chicken red blood cells is recommended as an internal monitor for variations in staining conditions.
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Sehgal D, Chawla V, Maguire MJ. Hereditary anhidrotic ectodermal dysplasia in a Zambian family. East Afr Med J 1981; 58:374-9. [PMID: 7285838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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