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Isler JR, Pini N, Lucchini M, Shuffrey LC, Morales S, Bowers ME, Leach SC, Sania A, Wang L, Condon C, Nugent JD, Elliott AJ, Friedrich C, Andrew R, Fox NA, Myers MM, Fifer WP. Longitudinal characterization of EEG power spectra during eyes open and eyes closed conditions in children. Psychophysiology 2023; 60:e14158. [PMID: 35968705 PMCID: PMC9729391 DOI: 10.1111/psyp.14158] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 05/18/2022] [Accepted: 07/11/2022] [Indexed: 11/28/2022]
Abstract
This study is the first to examine spectrum-wide (1 to 250 Hz) differences in electroencephalogram (EEG) power between eyes open (EO) and eyes closed (EC) resting state conditions in 486 children. The results extend the findings of previous studies by characterizing EEG power differences from 30 to 250 Hz between EO and EC across childhood. Developmental changes in EEG power showed spatial and frequency band differences as a function of age and EO/EC condition. A 64-electrode system was used to record EEG at 4, 5, 7, 9, and 11 years of age. Specific findings were: (1) the alpha peak shifts from 8 Hz at 4 years to 9 Hz at 11 years, (2) EC results in increased EEG power (compared to EO) at lower frequencies but decreased EEG power at higher frequencies for all ages, (3) the EEG power difference between EO and EC changes from positive to negative within a narrow frequency band which shifts toward higher frequencies with age, from 9 to 12 Hz at 4 years to 32 Hz at 11 years, (4) at all ages EC is characterized by an increase in lower frequency EEG power most prominently over posterior regions, (5) at all ages, during EC, decreases in EEG power above 30 Hz are mostly over anterior regions of the scalp. This report demonstrates that the simple challenge of opening and closing the eyes offers the potential to provide quantitative biomarkers of phenotypic variation in brain maturation by employing a brief, minimally invasive protocol throughout childhood.
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Affiliation(s)
- J. R. Isler
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY 10032 USA
| | - N. Pini
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY 10032 USA
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
| | - M. Lucchini
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY 10032 USA
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
| | - L. C. Shuffrey
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY 10032 USA
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
| | - S. Morales
- Department of Psychology, University of Southern California, Los Angeles, CA 90089 USA
| | - M. E. Bowers
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20742 USA
| | - S. C. Leach
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20742 USA
| | - A. Sania
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY 10032 USA
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
| | - L. Wang
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
- Data Science Institute, Columbia University, New York, NY 10027 USA
| | - C. Condon
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
| | - J. D. Nugent
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
| | | | - C. Friedrich
- Avera Research Institute, Sioux Falls, SD 57108 USA
| | - R. Andrew
- Avera Research Institute, Sioux Falls, SD 57108 USA
| | - N. A. Fox
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20742 USA
| | - M. M. Myers
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY 10032 USA
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY 10032 USA
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
| | - W. P. Fifer
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY 10032 USA
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY 10032 USA
- Division of Developmental Neuroscience, New York State Psychiatric Institute, New York, NY 10032 USA
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Lucchini M, Rodriguez D, Pini N, Thakur S, Fifer W, Barnett N. Determinants of infant sleep health: bedtime behavioral factors, socioeconomic status and parental perceived stress but not infant race/ethnicity are associated with infant sleep. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cantoni G, Padula P, Calderón G, Mills J, Herrero E, Sandoval P, Martinez V, Pini N, Larrieu E. Seasonal variation in prevalence of antibody to hantaviruses in rodents from southern Argentina. Trop Med Int Health 2001; 6:811-6. [PMID: 11679129 DOI: 10.1046/j.1365-3156.2001.00788.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We conducted a small mammal trapping study to investigate temporal variation in prevalence of infection in hantavirus reservoir populations in the Patagonian Andes mountain range, Rio Negro province, Argentina. Rodent blood samples collected in natural and periurban habitats and at the home of an hantavirus pulmonary syndrome (HPS) case patient were analysed by enzyme-linked immunosorbent assay. Organ tissue samples were tested by polymerase chain reaction (PCR) and nucleotide sequence analysis. Eight species of 1032 rodents were captured in 15 551 trap nights, giving an overall trap success of 6.6%. Hantavirus antibody was detected in 30 of 555 Oligoryzomys longicaudatus (reservoir of Andes virus), three of 411 Abrothrix longipilis, and one of 10 Loxodontomys micropus. Antibody prevalences in O. longicaudatus were 13.7% in spring 1996, 59.3% in summer 1996, 2.1% in autumn 1997, 12.4% in winter 1997 and 3.1% in spring 1997. A much higher antibody prevalence (33%) was found during trapping around the residence of an HPS case patient. Higher prevalences were found in older male O. longicaudatus. There was no apparent correlation of antibody prevalence with rodent population density, or of rodent population density or antibody prevalence with numbers of human cases. For an HPS case that occurred in our study area in 1997, we identified the probable rodent reservoir and likely site of exposure by matching the genetic sequences of virus obtained from a rodent and the HPS case patient.
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Affiliation(s)
- G Cantoni
- Secretaría de Estado de Salud, Provincia de Río Negro, Argentina
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Lázaro ME, Resa AJ, Barclay CM, Calanni L, Samengo L, Martinez L, Padula PJ, Pini N, Lasala MB, Elsner B, Enria DA. [Hantavirus pulmonary syndrome in southern Argentina]. Medicina (B Aires) 2001; 60:289-301. [PMID: 11050803] [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: 02/18/2023] Open
Abstract
Andes virus was identified in 1995 as the etiologic agent of Hantavirus Pulmonary Syndrome (HPS) in Southern Argentina. We describe herein the main clinical characteristics of 25 HPS confirmed cases acquired in this area between 1993 and September 1999. The mean age was 34 years (range 11-70), with 72% males. Clinical characteristics were similar to those previously reported for Sin Nombre virus (SNV) cases. However, in this group of patients we also observed conjuntival injection in 10/25 (42%), facial flushing in 8/25 (33%), pharyngeal congestion in 7/25 (29%) and petechiae in 3/25 (12%). On the other hand, BUN was increased in 83% of cases (mean 0.77 g/l range 0.31-2.01). Mean serum creatinine concentration was 26.8 mg/l (range: 8.1-110 mg/l) with serum creatinine being higher than 20 mg/l in 8/15 patients (53%). Urinalysis was abnormal in 12/12 cases and was characterized by presence of proteins, red blood cells and granular casts. Aminotransferases were increased in 90% of cases with levels 5-10 times over normal values in 50% of cases. Serum creatine kinase concentration was elevated in 11/14 cases. Two patients required hemodialysis. Case fatality rate was 44% (11/25) and 10 of these cases died among the first 10 days of illness. Mononuclear myocarditis was observed in two cases, a finding that has not been reported for SNV cases. During the 1996 HPS outbreak in Southern Argentina due to Andes virus, there were epidemiological and molecular evidences of person-to-person transmission, a feature not previously shown for other members of the hantavirus genus. These data would also be indicative of some distinctive clinical characteristics of HPS caused by Andes virus, with more frequent renal involvement than in SNV cases.
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Calderón G, Pini N, Bolpe J, Levis S, Mills J, Segura E, Guthmann N, Cantoni G, Becker J, Fonollat A, Ripoll C, Bortman M, Benedetti R, Enria D. Hantavirus reservoir hosts associated with peridomestic habitats in Argentina. Emerg Infect Dis 1999; 5:792-7. [PMID: 10603213 PMCID: PMC2640793 DOI: 10.3201/eid0506.990608] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Five species of sigmodontine rodents have been identified in Argentina as the putative reservoirs of six circulating hantavirus genotypes. Two species of Oligoryzomys are associated with the genotypes causing hantavirus pulmonary syndrome, Oligoryzomys flavescens for Lechiguanas and O. longicaudatus for Andes and Oran genotypes. Reports of human cases of hantavirus pulmonary syndrome prompted rodent trapping (2,299 rodents of 32 species during 27,780 trap nights) at potential exposure sites in three disease-endemic areas. Antibody reactive to Sin Nombre virus was found in six species, including the known hantavirus reservoir species. Risk for peridomestic exposure to host species that carry recognized human pathogens was high in all three major disease-endemic areas.
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Affiliation(s)
- G Calderón
- Instituto Nacional de Enfermedades Virales Humanas "Dr. Julio I. Maiztegui", Buenos Aires, Argentina
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Levis S, Morzunov SP, Rowe JE, Enria D, Pini N, Calderon G, Sabattini M, St Jeor SC. Genetic diversity and epidemiology of hantaviruses in Argentina. J Infect Dis 1998; 177:529-38. [PMID: 9498428 DOI: 10.1086/514221] [Citation(s) in RCA: 139] [Impact Index Per Article: 5.3] [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: 11/03/2022] Open
Abstract
Phylogenetic analysis of a 292-nucleotide (nt) fragment of the hantavirus M genome segment from 36 rodent and 13 human samples from three known foci of hantavirus infection in Argentina was conducted. A 1654-nt fragment of the M genome segment was analyzed for 1 representative of 7 genetically distinct hantavirus lineages identified. Additionally, the nt sequence of the complete M genome segments of Lechiguanas, Oran, and Hu39694 hantavirus genotypes was determined. nt sequence comparisons reveal that 7 hantavirus lineages from Argentina differ from each other by 11.5%-21.8% and from Sin Nombre, Bayou, and Black Creek Canal viruses by 23.8%-26.5%. Phylogenetic analyses demonstrate that they form a unique, separate branch within the clade containing other New World sigmodontine-borne hantaviruses. Most Oligoryzomys-borne hantavirus genotypes clearly map together. The Oligoryzomys-borne genotypes Lechiguanas, Oran, and Andes appear to be associated with human disease. Oligoryzomys longicaudatus was identified as the likely rodent reservoir for Andes virus.
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Affiliation(s)
- S Levis
- Department of Microbiology, University of Nevada at Reno, 89557, USA
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Wells RM, Sosa Estani S, Yadon ZE, Enria D, Padula P, Pini N, Mills JN, Peters CJ, Segura EL. An unusual hantavirus outbreak in southern Argentina: person-to-person transmission? Hantavirus Pulmonary Syndrome Study Group for Patagonia. Emerg Infect Dis 1997; 3:171-4. [PMID: 9204298 PMCID: PMC2627608 DOI: 10.3201/eid0302.970210] [Citation(s) in RCA: 146] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Hantavirus pulmonary syndrome is a rodent-borne zoonosis first recognized in the United States in 1993. Person-to-person transmission has not been reported; however, in the outbreak of 20 cases reported here, epidemiologic evidence strongly suggests this route of transmission.
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Affiliation(s)
- R M Wells
- Centers For Disease Control and Prevention, Atlanta, Georgia, USA
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Enría D, Padula P, Segura EL, Pini N, Edelstein A, Posse CR, Weissenbacher MC. Hantavirus pulmonary syndrome in Argentina. Possibility of person to person transmission. Medicina (B Aires) 1996; 56:709-11. [PMID: 9284576] [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] Open
Abstract
In March 1995 the first case of a familiar outbreak of Hantavirus pulmonary syndrome (HPS) was notified in El Bolson, in the South of Argentina. Until December 15, 1996, a total of 77 cases of HPS had been notified with 48% mortality, distributed in three geographical areas of the country, South, North and Center. During 1996, of the 19 cases from El Bolsón, three were local physicians, one of whom -during the prodrome of her illness- travelled to Buenos Aires to be attended. In the hospital, two of the physicians who assisted her, developed HPS 27 and 28 days after the first contact. These data suggest for the first time the possibility of interhuman transmission of the Hantavirus responsible for the pulmonary syndrome.
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Affiliation(s)
- D Enría
- Instituto Nacional de Enfermedades Virales Humanas Dr. Julio I. Maiztegui, Pergamino, Argentina
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