Benjamin Smarr

Title(s)	Assistant Professor, Bioengineering
School	Vc-academic Affairs
Address	9500 Gilman Drive # La Jolla CA 92093
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Research

Research Activities and Funding

Understanding the impact of environmental disruption in biological timing systems through signal processing.
NIH K99ES027509Sep 30, 2017 - Aug 31, 2019
Role: Principal Investigator

The role of circadian stability during development in adult health and behavior
NIH F32HD081957Nov 16, 2014 - Oct 31, 2017
Role: Principal Investigator

Bibliographic

Publications

Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.

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Utilizing Wearable Device Data for Syndromic Surveillance: A Fever Detection Approach. Sensors (Basel). 2024 Mar 12; 24(6). Kasl P, Keeler Bruce L, Hartogensis W, Dasgupta S, Pandya LS, Dilchert S, Hecht FM, Gupta A, Altintas I, Mason AE, Smarr BL. PMID: 38544080; PMCID: PMC10975930.

View in: PubMed Mentions: Fields:
Bio Biotechnology Tec Technology
Translation:Humans PHPublic Health
Divergent Circadian Foraging Strategies in Response to Diurnal Predation Versus Persistent Rain in Asian Weaver Ant, Oecophylla smaragdina, Suggest Possible Energetic Trade-offs. J Biol Rhythms. 2024 Mar 08; 7487304241233778. Dolai A, Soltani S, Smarr B, Das A. PMID: 38459718.

View in: PubMed Mentions: Fields:
Phy Physiology
Translation:Animals
Elevated body temperature is associated with depressive symptoms: results from the TemPredict Study. Sci Rep. 2024 02 05; 14(1):1884. Mason AE, Kasl P, Soltani S, Green A, Hartogensis W, Dilchert S, Chowdhary A, Pandya LS, Siwik CJ, Foster SL, Nyer M, Lowry CA, Raison CL, Hecht FM, Smarr BL. PMID: 38316806; PMCID: PMC10844227.

View in: PubMed Mentions: 2 Fields:
Sci Science
Translation:Humans
Correction: Variability of temperature measurements recorded by a wearable device by biological sex. Biol Sex Differ. 2023 Nov 13; 14(1):82. Bruce LK, Kasl P, Soltani S, Viswanath VK, Hartogensis W, Dilchert S, Hecht FM, Chowdhary A, Anglo C, Pandya L, Dasgupta S, Altintas I, Gupta A, Mason AE, Smarr BL. PMID: 37957715; PMCID: PMC10641950.

View in: PubMed Mentions: Fields:
Phy Physiology
Variability of temperature measurements recorded by a wearable device by biological sex. Biol Sex Differ. 2023 11 01; 14(1):76. Bruce LK, Kasl P, Soltani S, Viswanath VK, Hartogensis W, Dilchert S, Hecht FM, Chowdhary A, Anglo C, Pandya L, Dasgupta S, Altintas I, Gupta A, Mason AE, Smarr BL. PMID: 37915069; PMCID: PMC10619297.

View in: PubMed Mentions: 1 Fields:
Phy Physiology
Translation:Humans Animals
Assessing Adherence to Multi-Modal Oura Ring Wearables From COVID-19 Detection Among Healthcare Workers. Cureus. 2023 Sep; 15(9):e45362. Shiba SK, Temple CA, Krasnoff J, Dilchert S, Smarr BL, Robishaw J, Mason AE. PMID: 37849583; PMCID: PMC10578453.

View in: PubMed Mentions: 1
Despite shutdown hardships, remote learning may support some healthier student sleep behaviors. Sleep. 2023 07 11; 46(7). Smarr BL. PMID: 37144822; PMCID: PMC10334731.

View in: PubMed Mentions: Fields:
Psy Psychophysiology
Translation:Humans
Modified Wavelet Analyses Permit Quantification of Dynamic Interactions Between Ultradian and Circadian Rhythms. J Biol Rhythms. 2022 Dec; 37(6):631-654. Riggle JP, Kay LM, Onishi KG, Falk DT, Smarr BL, Zucker I, Prendergast BJ. PMID: 36380564.

View in: PubMed Mentions: Fields:
Phy Physiology
Translation:Animals
Methods for detecting probable COVID-19 cases from large-scale survey data also reveal probable sex differences in symptom profiles. Front Big Data. 2022; 5:1043704. Klein A, Puldon K, Dilchert S, Hartogensis W, Chowdhary A, Anglo C, Pandya LS, Hecht FM, Mason AE, Smarr BL. PMID: 36438983; PMCID: PMC9685297.

View in: PubMed Mentions:
Analysis of wearable time series data in endocrine and metabolic research. Curr Opin Endocr Metab Res. 2022 Aug; 25:100380. Grant AD, Upton TJ, Terry JR, Smarr BL, Zavala E. PMID: 36632470; PMCID: PMC9823090.

View in: PubMed Mentions: 2
Female mice exhibit less overall variance, with a higher proportion of structured variance, than males at multiple timescales of continuous body temperature and locomotive activity records. Biol Sex Differ. 2022 07 23; 13(1):41. Smarr B, Kriegsfeld LJ. PMID: 35870975; PMCID: PMC9308033.

View in: PubMed Mentions: 7 Fields:
Phy Physiology
Translation:Humans Animals
Feasibility of continuous distal body temperature for passive, early pregnancy detection. PLOS Digit Health. 2022 May; 1(5):e0000034. Grant A, Smarr B. PMID: 36812529; PMCID: PMC9931282.

View in: PubMed Mentions: 4
Author Correction: Detection of COVID-19 using multimodal data from a wearable device: results from the first TemPredict Study. Sci Rep. 2022 Mar 16; 12(1):4568. Mason AE, Hecht FM, Davis SK, Natale JL, Hartogensis W, Damaso N, Claypool KT, Dilchert S, Dasgupta S, Purawat S, Viswanath VK, Klein A, Chowdhary A, Fisher SM, Anglo C, Puldon KY, Veasna D, Prather JG, Pandya LS, Fox LM, Busch M, Giordano C, Mercado BK, Song J, Jaimes R, Baum BS, Telfer BA, Philipson CW, Collins PP, Rao AA, Wang EJ, Bandi RH, Choe BJ, Epel ES, Epstein SK, Krasnoff JB, Lee MB, Lee SW, Lopez GM, Mehta A, Melville LD, Moon TS, Mujica-Parodi LR, Noel KM, Orosco MA, Rideout JM, Robishaw JD, Rodriguez RM, Shah KH, Siegal JH, Gupta A, Altintas I, Smarr BL. PMID: 35296773; PMCID: PMC8926096.

View in: PubMed Mentions: 1 Fields:
Sci Science
Author Correction: Feasibility of continuous fever monitoring using wearable devices. Sci Rep. 2022 Mar 15; 12(1):4427. Smarr BL, Aschbacher K, Fisher SM, Chowdhary A, Dilchert S, Puldon K, Rao A, Hecht FM, Mason AE. PMID: 35292699; PMCID: PMC8924266.

View in: PubMed Mentions: Fields:
Sci Science
Detection of COVID-19 using multimodal data from a wearable device: results from the first TemPredict Study. Sci Rep. 2022 03 02; 12(1):3463. Mason AE, Hecht FM, Davis SK, Natale JL, Hartogensis W, Damaso N, Claypool KT, Dilchert S, Dasgupta S, Purawat S, Viswanath VK, Klein A, Chowdhary A, Fisher SM, Anglo C, Puldon KY, Veasna D, Prather JG, Pandya LS, Fox LM, Busch M, Giordano C, Mercado BK, Song J, Jaimes R, Baum BS, Telfer BA, Philipson CW, Collins PP, Rao AA, Wang EJ, Bandi RH, Choe BJ, Epel ES, Epstein SK, Krasnoff JB, Lee MB, Lee SW, Lopez GM, Mehta A, Melville LD, Moon TS, Mujica-Parodi LR, Noel KM, Orosco MA, Rideout JM, Robishaw JD, Rodriguez RM, Shah KH, Siegal JH, Gupta A, Altintas I, Smarr BL. PMID: 35236896; PMCID: PMC8891385.

View in: PubMed Mentions: 22 Fields:
Sci Science
Translation:Humans Cells
Metrics from Wearable Devices as Candidate Predictors of Antibody Response Following Vaccination against COVID-19: Data from the Second TemPredict Study. Vaccines (Basel). 2022 Feb 09; 10(2). Mason AE, Kasl P, Hartogensis W, Natale JL, Dilchert S, Dasgupta S, Purawat S, Chowdhary A, Anglo C, Veasna D, Pandya LS, Fox LM, Puldon KY, Prather JG, Gupta A, Altintas I, Smarr BL, Hecht FM. PMID: 35214723; PMCID: PMC8877860.

View in: PubMed Mentions: 11
Lower variability in female students than male students at multiple timescales supports the use of sex as a biological variable in human studies. Biol Sex Differ. 2021 04 22; 12(1):32. Smarr BL, Ishami AL, Schirmer AE. PMID: 33888158; PMCID: PMC8061019.

View in: PubMed Mentions: 6 Fields:
Phy Physiology
Translation:Humans
Maternal stress during pregnancy alters fetal cortico-cerebellar connectivity in utero and increases child sleep problems after birth. Sci Rep. 2021 01 26; 11(1):2228. van den Heuvel MI, Hect JL, Smarr BL, Qawasmeh T, Kriegsfeld LJ, Barcelona J, Hijazi KE, Thomason ME. PMID: 33500446; PMCID: PMC7838320.

View in: PubMed Mentions: 25 Fields:
Sci Science
Translation:Humans
Feasibility of continuous fever monitoring using wearable devices. Sci Rep. 2020 12 14; 10(1):21640. Smarr BL, Aschbacher K, Fisher SM, Chowdhary A, Dilchert S, Puldon K, Rao A, Hecht FM, Mason AE. PMID: 33318528; PMCID: PMC7736301.

View in: PubMed Mentions: 48 Fields:
Sci Science
Translation:Humans
Using Circadian Rhythm Patterns of Continuous Core Body Temperature to Improve Fertility and Pregnancy Planning. J Circadian Rhythms. 2020 Sep 24; 18:5. Webster WW, Smarr B. PMID: 33024445; PMCID: PMC7518073.

View in: PubMed Mentions: 8
Circadian dysfunction in the Q175 model of Huntington's disease: Network analysis. J Neurosci Res. 2019 12; 97(12):1606-1623. Smarr B, Cutler T, Loh DH, Kudo T, Kuljis D, Kriegsfeld L, Ghiani CA, Colwell CS. PMID: 31359503; PMCID: PMC7105276.

View in: PubMed Mentions: 9 Fields:
Neu Neurology
Translation:Animals Cells
Male and female mice show equal variability in food intake across 4-day spans that encompass estrous cycles. PLoS One. 2019; 14(7):e0218935. Smarr B, Rowland NE, Zucker I. PMID: 31306437; PMCID: PMC6629064.

View in: PubMed Mentions: 7 Fields:
Med Medicine (General)Sci Science
Translation:Animals
Evidence for a Coupled Oscillator Model of Endocrine Ultradian Rhythms. J Biol Rhythms. 2018 10; 33(5):475-496. Grant AD, Wilsterman K, Smarr BL, Kriegsfeld LJ. PMID: 30132387; PMCID: PMC6425759.

View in: PubMed Mentions: 16 Fields:
Phy Physiology
Translation:Humans Animals
3.4 million real-world learning management system logins reveal the majority of students experience social jet lag correlated with decreased performance. Sci Rep. 2018 03 29; 8(1):4793. Smarr BL, Schirmer AE. PMID: 29599506; PMCID: PMC5876324.

View in: PubMed Mentions: 19 Fields:
Sci Science
Translation:Humans
Artifact Rejection Methodology Enables Continuous, Noninvasive Measurement of Gastric Myoelectric Activity in Ambulatory Subjects. Sci Rep. 2018 03 22; 8(1):5019. Gharibans AA, Smarr BL, Kunkel DC, Kriegsfeld LJ, Mousa HM, Coleman TP. PMID: 29568042; PMCID: PMC5864836.

View in: PubMed Mentions: 22 Fields:
Sci Science
Translation:Humans
Maternal and Early-Life Circadian Disruption Have Long-Lasting Negative Consequences on Offspring Development and Adult Behavior in Mice. Sci Rep. 2017 06 12; 7(1):3326. Smarr BL, Grant AD, Perez L, Zucker I, Kriegsfeld LJ. PMID: 28607386; PMCID: PMC5468226.

View in: PubMed Mentions: 30 Fields:
Sci Science
Translation:Animals Cells
Sex differences in variability across timescales in BALB/c mice. Biol Sex Differ. 2017; 8:7. Smarr BL, Grant AD, Zucker I, Prendergast BJ, Kriegsfeld LJ. PMID: 28203366; PMCID: PMC5301430.

View in: PubMed Mentions: 31 Fields:
Phy Physiology
Translation:Animals
Detection of Successful and Unsuccessful Pregnancies in Mice within Hours of Pairing through Frequency Analysis of High Temporal Resolution Core Body Temperature Data. PLoS One. 2016; 11(7):e0160127. Smarr BL, Zucker I, Kriegsfeld LJ. PMID: 27467519; PMCID: PMC4965159.

View in: PubMed Mentions: 21 Fields:
Med Medicine (General)Sci Science
Translation:Animals
Digital sleep logs reveal potential impacts of modern temporal structure on class performance in different chronotypes. J Biol Rhythms. 2015 Feb; 30(1):61-7. Smarr BL. PMID: 25564433.

View in: PubMed Mentions: 10 Fields:
Phy Physiology
Translation:Humans
A time to remember: the role of circadian clocks in learning and memory. Behav Neurosci. 2014 Jun; 128(3):283-303. Smarr BL, Jennings KJ, Driscoll JR, Kriegsfeld LJ. PMID: 24708297; PMCID: PMC4385793.

View in: PubMed Mentions: 77 Fields:
Beh Behavioral Sciences Neu Neurology
Translation:Animals Cells
Oestrogen-independent circadian clock gene expression in the anteroventral periventricular nucleus in female rats: possible role as an integrator for circadian and ovarian signals timing the luteinising hormone surge. J Neuroendocrinol. 2013 Dec; 25(12):1273-1279. Smarr BL, Gile JJ, de la Iglesia HO. PMID: 24028332; PMCID: PMC3954464.

View in: PubMed Mentions: 24 Fields:
End Endocrinology Neu Neurology
Translation:Animals Cells
Forced desynchrony reveals independent contributions of suprachiasmatic oscillators to the daily plasma corticosterone rhythm in male rats. PLoS One. 2013; 8(7):e68793. Wotus C, Lilley TR, Neal AS, Suleiman NL, Schmuck SC, Smarr BL, Fischer BJ, de la Iglesia HO. PMID: 23894346; PMCID: PMC3718825.

View in: PubMed Mentions: 18 Fields:
Med Medicine (General)Sci Science
Translation:Animals Cells
Re-examining "temporal niche". Integr Comp Biol. 2013 Jul; 53(1):165-74. Smarr BL, Schwartz MD, Wotus C, de la Iglesia HO. PMID: 23674555; PMCID: PMC3687136.

View in: PubMed Mentions: 8 Fields:
Bio Biology Zoo Zoology
Translation:Animals
The dorsomedial suprachiasmatic nucleus times circadian expression of Kiss1 and the luteinizing hormone surge. Endocrinology. 2012 Jun; 153(6):2839-50. Smarr BL, Morris E, de la Iglesia HO. PMID: 22454148; PMCID: PMC3359594.

View in: PubMed Mentions: 34 Fields:
End Endocrinology
Translation:Animals Cells
The combination of chemical fixation procedures with high pressure freezing and freeze substitution preserves highly labile tissue ultrastructure for electron tomography applications. J Struct Biol. 2008 Mar; 161(3):359-71. Sosinsky GE, Crum J, Jones YZ, Lanman J, Smarr B, Terada M, Martone ME, Deerinck TJ, Johnson JE, Ellisman MH. PMID: 17962040; PMCID: PMC2459253.

View in: PubMed Mentions: 54 Fields:
Cel Cell Biology Mol Molecular Biology
Translation:Animals Cells
Light and electron microscopic localization of multiple proteins using quantum dots. Methods Mol Biol. 2007; 374:43-53. Deerinck TJ, Giepmans BN, Smarr BL, Martone ME, Ellisman MH. PMID: 17237528.

View in: PubMed Mentions: 14 Fields:
Mol Molecular Biology
Translation:Animals
Redefining the concept of reactive astrocytes as cells that remain within their unique domains upon reaction to injury. Proc Natl Acad Sci U S A. 2006 Nov 14; 103(46):17513-8. Wilhelmsson U, Bushong EA, Price DL, Smarr BL, Phung V, Terada M, Ellisman MH, Pekny M. PMID: 17090684; PMCID: PMC1859960.

View in: PubMed Mentions: 264 Fields:
Sci Science
Translation:Animals Cells
Correlated light and electron microscopic imaging of multiple endogenous proteins using Quantum dots. Nat Methods. 2005 Oct; 2(10):743-9. Giepmans BN, Deerinck TJ, Smarr BL, Jones YZ, Ellisman MH. PMID: 16179920.

View in: PubMed Mentions: 128 Fields:
Cli Clinical Laboratory Techniques
Translation:Animals Cells