1
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Lee J. Neonatal family-centered care: evidence and practice models. Clin Exp Pediatr 2024; 67:171-177. [PMID: 37321589 PMCID: PMC10990654 DOI: 10.3345/cep.2023.00367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 05/16/2023] [Accepted: 06/07/2023] [Indexed: 06/17/2023] Open
Abstract
Although advances in neonatology have reduced the mortality rate of high-risk infants, sick newborns or pre-mature infants undergo more intensive monitoring, pain-ful procedures, and lengthy hospitalization, leading to pro-longed separation from their parents. In recent decades, the importance of parent-infant closeness early in life has become more apparent, especially in preterm infants who are prone to neurodevelopmental deficits. There is an increasing body of evidence regarding the benefits of family-centered care (FCC) in neonatal intensive care units. Key aspects related to neonatal FCC include the parents' presence in the ward and their participation in infants' daily care and decision-making processes. In addition, an environment that supports a private and comfortable space for each family member and infant, such as a single-family room, should be provided. To successfully implement FCC in neonatal intensive care units, the culture of care and hospital policies should be changed to successfully implement FCC in neonatal intensive care units, and appropriate training for medical staff is also required.
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Affiliation(s)
- Juyoung Lee
- Department of Pediatrics, Inha University Hospital, Inha University College of Medicine, Incheon, Korea
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2
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Wood A, Coan JA. Beyond Nature Versus Nurture: the Emergence of Emotion. AFFECTIVE SCIENCE 2023; 4:443-452. [PMID: 37744982 PMCID: PMC10513962 DOI: 10.1007/s42761-023-00212-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 07/30/2023] [Indexed: 09/26/2023]
Abstract
Affective science is stuck in a version of the nature-versus-nurture debate, with theorists arguing whether emotions are evolved adaptations or psychological constructions. We do not see these as mutually exclusive options. Many adaptive behaviors that humans have evolved to be good at, such as walking, emerge during development - not according to a genetically dictated program, but through interactions between the affordances of the body, brain, and environment. We suggest emotions are the same. As developing humans acquire increasingly complex goals and learn optimal strategies for pursuing those goals, they are inevitably pulled to particular brain-body-behavior states that maximize outcomes and self-reinforce via positive feedback loops. We call these recurring, self-organized states emotions. Emotions display many of the hallmark features of self-organized attractor states, such as hysteresis (prior events influence the current state), degeneracy (many configurations of the underlying variables can produce the same global state), and stability. Because most bodily, neural, and environmental affordances are shared by all humans - we all have cardiovascular systems, cerebral cortices, and caregivers who raised us - similar emotion states emerge in all of us. This perspective helps reconcile ideas that, at first glance, seem contradictory, such as emotion universality and neural degeneracy.
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Affiliation(s)
- Adrienne Wood
- Department of Psychology, University of Virginia, Charlottesville, VA USA
| | - James A. Coan
- Department of Psychology, University of Virginia, Charlottesville, VA USA
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3
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Colombel N, Ferreira G, Sullivan RM, Coureaud G. Dynamic developmental changes in neurotransmitters supporting infant attachment learning. Neurosci Biobehav Rev 2023; 151:105249. [PMID: 37257712 PMCID: PMC10754360 DOI: 10.1016/j.neubiorev.2023.105249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 05/15/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023]
Abstract
Infant survival relies on rapid identification, remembering and behavioral responsiveness to caregivers' sensory cues. While neural circuits supporting infant attachment learning have largely remained elusive in children, use of invasive techniques has uncovered some of its features in rodents. During a 10-day sensitive period from birth, newborn rodents associate maternal odors with maternal pleasant or noxious thermo-tactile stimulation, which gives rise to a preference and approach behavior towards these odors, and blockade of avoidance learning. Here we review the neural circuitry supporting this neonatal odor learning, unique compared to adults, focusing specifically on the early roles of neurotransmitters such as glutamate, GABA (Gamma-AminoButyric Acid), serotonin, dopamine and norepinephrine, in the olfactory bulb, the anterior piriform cortex and amygdala. The review highlights the importance of deepening our knowledge of age-specific infant brain neurotransmitters and behavioral functioning that can be translated to improve the well-being of children during typical development and aid in treatment during atypical development in childhood clinical practice, and the care during rearing of domestic animals.
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Affiliation(s)
- Nina Colombel
- Ecole Normale Supérieure de Lyon, Lyon 1 Claude Bernard University, Lyon, France
| | - Guillaume Ferreira
- FoodCircus group, NutriNeuro Lab, INRAE 1286, Bordeaux University, Bordeaux, France
| | - Regina M Sullivan
- Emotional Brain Institute, The Nathan Kline Institute, Orangeburg, NY, USA; Child and Adolescent Psychiatry, New York University Langone Medical Center, New York, USA
| | - Gérard Coureaud
- Sensory NeuroEthology Group, Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon 1 University, Jean-Monnet University, Bron, France.
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4
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Abstract
Frameworks of emotional development have tended to focus on how environmental factors shape children's emotion understanding. However, individual experiences of emotion represent a complex interplay between both external environmental inputs and internal somatovisceral signaling. Here, we discuss the importance of afferent signals and coordination between central and peripheral mechanisms in affective response processing. We propose that incorporating somatovisceral theories of emotions into frameworks of emotional development can inform how children understand emotions in themselves and others. We highlight promising directions for future research on emotional development incorporating this perspective, namely afferent cardiac processing and interoception, immune activation, physiological synchrony, and social touch.
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Affiliation(s)
- Kelly E Faig
- Department of Psychology, Hamilton College, 198 College Hill Road, Clinton, NY 13502
| | - Karen E Smith
- Department of Psychology, the University of Wisconsin, 1500 Highland Blvd, Madison, WI, 53705
| | - Stephanie J Dimitroff
- Department of Psychology, Universität Konstanz, Universitätsstraße 10, 78464 Konstanz, Germany
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5
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Bienboire-Frosini C, Marcet-Rius M, Orihuela A, Domínguez-Oliva A, Mora-Medina P, Olmos-Hernández A, Casas-Alvarado A, Mota-Rojas D. Mother-Young Bonding: Neurobiological Aspects and Maternal Biochemical Signaling in Altricial Domesticated Mammals. Animals (Basel) 2023; 13:ani13030532. [PMID: 36766424 PMCID: PMC9913798 DOI: 10.3390/ani13030532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
Mother-young bonding is a type of early learning where the female and their newborn recognize each other through a series of neurobiological mechanisms and neurotransmitters that establish a behavioral preference for filial individuals. This process is essential to promote their welfare by providing maternal care, particularly in altricial species, animals that require extended parental care due to their limited neurodevelopment at birth. Olfactory, auditory, tactile, and visual stimuli trigger the neural integration of multimodal sensory and conditioned affective associations in mammals. This review aims to discuss the neurobiological aspects of bonding processes in altricial mammals, with a focus on the brain structures and neurotransmitters involved and how these influence the signaling during the first days of the life of newborns.
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Affiliation(s)
- Cécile Bienboire-Frosini
- Department of Molecular Biology and Chemical Communication, Research Institute in Semiochemistry and Applied Ethology (IRSEA), 84400 Apt, France
| | - Míriam Marcet-Rius
- Animal Behaviour and Welfare Department, Research Institute in Semiochemistry and Applied Ethology (IRSEA), 84400 Apt, France
| | - Agustín Orihuela
- Facultad de Ciencias Agropecuarias, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico
| | - Adriana Domínguez-Oliva
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Universidad Autónoma Metropolitana, Xochimilco Campus, Mexico City 04960, Mexico
| | - Patricia Mora-Medina
- Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de Mexico (UNAM), Cuautitlán Izcalli 54740, Mexico
| | - Adriana Olmos-Hernández
- Division of Biotechnology—Bioterio and Experimental Surgery, Instituto Nacional de Rehabilitación-Luis Guillermo Ibarra Ibarra (INR-LGII), Tlalpan, Mexico City 14389, Mexico
| | - Alejandro Casas-Alvarado
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Universidad Autónoma Metropolitana, Xochimilco Campus, Mexico City 04960, Mexico
| | - Daniel Mota-Rojas
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Universidad Autónoma Metropolitana, Xochimilco Campus, Mexico City 04960, Mexico
- Correspondence:
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6
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Murasawa H, Soumiya H, Kobayashi H, Imai J, Nagase T, Fukumitsu H. Neonatal bilateral whisker trimming in male mice age-dependently alters brain neurotransmitter levels and causes adolescent onsets of social behavior abnormalities. Biomed Res 2023; 44:147-160. [PMID: 37544736 DOI: 10.2220/biomedres.44.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Tactile perception via whiskers is important in rodent behavior. Whisker trimming during the neonatal period affects mouse behaviors related to both whisker-based tactile cognition and social performance. However, the molecular basis of these phenomena is not completely understood. To solve this issue, we investigated developmental changes in transmitters and metabolites in various brain regions of male mice subjected to bilateral whisker trimming during the neonatal period (10 days after birth [BWT10 mice]). We discovered significantly lower levels of 3-methoxy-4-hydroxyphenyl glycol (MHPG), the major noradrenaline metabolite, in various brain regions of male BWT10 mice at both early/late adolescent stages (at P4W and P8W). However, reduced levels of dopamine (DA) and their metabolites were more significantly identified at P8W in the nuclear origins of monoamine (midbrain and medulla oblongata) and the limbic system (frontal cortex, amygdala, and hippocampus) than at P4W. Furthermore, the onset of social behavior deficits (P6W) was observed later to the impairment of whisker-based tactile cognitive behaviors (P4W). Taken together, these findings suggest that whisker-mediated tactile cognition may contribute toprogressive abnormalities in social behaviors in BWT10 mice accompanied by impaired development of dopaminergic systems.
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Affiliation(s)
- Hiroyasu Murasawa
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University
- Hashima Laboratory, Nihon Bioresearch Inc
| | - Hitomi Soumiya
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University
| | - Hiroyuki Kobayashi
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University
- Hashima Laboratory, Nihon Bioresearch Inc
| | - Jun Imai
- Hashima Laboratory, Nihon Bioresearch Inc
| | | | - Hidefumi Fukumitsu
- Laboratory of Molecular Biology, Department of Biofunctional Analysis, Gifu Pharmaceutical University
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7
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Mota-Rojas D, Bienboire-Frosini C, Marcet-Rius M, Domínguez-Oliva A, Mora-Medina P, Lezama-García K, Orihuela A. Mother-young bond in non-human mammals: Neonatal communication pathways and neurobiological basis. Front Psychol 2022; 13:1064444. [DOI: 10.3389/fpsyg.2022.1064444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 11/14/2022] [Indexed: 11/30/2022] Open
Abstract
Mother-young bonding is a process by which the young establish social preferences for their mother. It fosters reproductive success and the survival of offspring by providing food, heat, and maternal care. This process promotes the establishment of the mother-young bond through the interaction of olfactory, auditory, tactile, visual, and thermal stimuli. The neural integration of multimodal sensory stimuli and attachment is coordinated into motor responses. The sensory and neurobiological mechanisms involved in filial recognition in precocial and altricial mammals are summarized and analyzed in this review.
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8
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Kubová H, Mikulecká A, Mareš P. The outcome of early life status epilepticus—lessons from laboratory animals. Epilepsia Open 2022; 8 Suppl 1:S90-S109. [PMID: 36352789 PMCID: PMC10173850 DOI: 10.1002/epi4.12664] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 10/18/2022] [Indexed: 11/11/2022] Open
Abstract
Status epilepticus (SE) is the most common neurologic emergency in children. Both clinical and laboratory studies have demonstrated that SE in early life can cause brain damage and permanent behavioral abnormalities, trigger epileptogenesis, and interfere with normal brain development. In experimental rodent models, the consequences of seizures are dependent upon age, the model used, and seizure duration. In studies involving neonatal and infantile animals, the model used, experimental design, conditions during the experiment, and manipulation of animals can significantly affect the course of the experiments as well as the results obtained. Standardization of laboratory approaches, harmonization of scientific methodology, and improvement in data collection can improve the comparability of data among laboratories.
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Affiliation(s)
- Hana Kubová
- Developmental Epileptology Institute of Physiology of the Czech Academy of Science Prague Czech Republic
| | - Anna Mikulecká
- Developmental Epileptology Institute of Physiology of the Czech Academy of Science Prague Czech Republic
| | - Pavel Mareš
- Developmental Epileptology Institute of Physiology of the Czech Academy of Science Prague Czech Republic
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9
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A possible anti-anxiety effect of appetitive aggression and a possible link to the work of Donald Winnicott. Scand J Child Adolesc Psychiatr Psychol 2022; 10:102-113. [PMID: 36133733 PMCID: PMC9454322 DOI: 10.2478/sjcapp-2022-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Various pleasant sensations that give a particularly intense pleasure are able to improve anxiety. In the present study I consider the possibility that their anti-anxiety action depends on the strong pleasure they provide, and I propose a possible mechanism of this action. According to some studies, also appetitive aggression (an aggression that provokes a strong pleasure and that is performed only for the pleasure it provides) can improve anxiety, and in this article I consider the possibility that the pleasure of appetitive aggression is able to reduce anxiety by the same mechanism I have proposed for other intense pleasurable sensations. The aggression performed by a child against the mother or against a substitute for the mother in the first period of life (a period in which this aggression is not dangerous) is a recurring theme throughout the work of of Donald Winnicott. Winnicott stresses that this aggression is necessary for the normal development of the child, and that the child must be free to practise it. According to Winnicott, this aggression is highly pleasurable and is not a response to unpleasant or hostile external situations. For these characteristics it seems to correspond to appetitive aggression in the adult that has been found to be able to reduce anxiety. Consequently, aggression performed by the child in the first period of life may also relieve anxiety, in the same way that appetitive aggression helps against anxiety in the adult. In his writings, Winnicott returns several times to an unthinkable or archaic anxiety that children experience when they feel abandoned by their mother for a period that is too long for them, and all children, according to Winnicott, live on the brink of this anxiety. In this study I propose the hypothesis that aggression in the early period of life may be necessary for children because the intense pleasure it provides may help them against this continuously impending anxiety.
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10
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White AM, An X, Debiec J. Intact maternal buffering of stress response in infant rats despite altered responsivity towards maternal olfactory cues in the valproic acid model of autism-like behavior. Front Behav Neurosci 2022; 16:959485. [PMID: 36072089 PMCID: PMC9441625 DOI: 10.3389/fnbeh.2022.959485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/19/2022] [Indexed: 12/04/2022] Open
Abstract
Disrupted processing of social cues and altered social behaviors are among the core symptoms of autism spectrum disorders (ASDs), and they emerge as early as the first year of life. These differences in sensory abilities may affect the ability of children with ASDs to securely attach to a caregiver and experience caregiver buffering of stress. Prenatal exposure to valproic acid (VPA) has been used to model some aspects of ASDs in rodents. Here, we asked whether prenatal VPA exposure altered infant rats’ behavioral responsivity to maternal olfactory cues in an Odor Preference Test (OPT) and affected maternal buffering of infants’ stress responsivity to shock. In the odor preference test, 1-week old rats treated with VPA during pregnancy appeared to have impaired social recognition and/or may be less motivated to approach social odors in early infancy. These effects were particularly prominent in female pups. In 2-week old rats, VPA-exposed pups and saline-exposed pups showed similar preferences for home cage bedding. Although VPA-exposed pups may initially have a deficit in this attachment-related behavior they do recover typical responses to home cage bedding in later infancy. Both control and VPA-exposed pups showed robust stress hormone responses to repeated shocks, an effect which was blocked when a calm mother was present during shock exposure. No sex differences in the effect of maternal presence on the stress response to shock and no interactions between sex and prenatal drug exposure were observed. Although VPA-exposed pups may show impaired responsivity to maternal cues in early infancy, maternal presence is still capable of regulating the stress response in VPA-exposed pups. In this study we demonstrate the importance of utilizing multiple batteries of tests in assessing behavior, dissecting the behavior on one test into different components. Our results inform about the underlying behavioral characteristics of some of the ASD phenotypes, including sex differences reported by clinical studies, and could shed light on potential opportunities for intervention.
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Affiliation(s)
- Amanda M. White
- Michigan Neuroscience Institute, University of Michigan, Ann Arbor, MI, United States
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, United States
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI, United States
- *Correspondence: Amanda M. White
| | - Xianli An
- Michigan Neuroscience Institute, University of Michigan, Ann Arbor, MI, United States
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, United States
- Department of Psychology, School of Educational Science, Yangzhou University, Yangzhou, China
| | - Jacek Debiec
- Michigan Neuroscience Institute, University of Michigan, Ann Arbor, MI, United States
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, United States
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI, United States
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11
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Gard AM, Hein TC, Mitchell C, Brooks-Gunn J, McLanahan SS, Monk CS, Hyde LW. Prospective longitudinal associations between harsh parenting and corticolimbic function during adolescence. Dev Psychopathol 2022; 34:981-996. [PMID: 33487207 PMCID: PMC8310533 DOI: 10.1017/s0954579420001583] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Childhood adversity is thought to undermine youth socioemotional development via altered neural function within regions that support emotion processing. These effects are hypothesized to be developmentally specific, with adversity in early childhood sculpting subcortical structures (e.g., amygdala) and adversity during adolescence impacting later-developing structures (e.g., prefrontal cortex; PFC). However, little work has tested these theories directly in humans. Using prospectively collected longitudinal data from the Fragile Families and Child Wellbeing Study (FFCWS) (N = 4,144) and neuroimaging data from a subsample of families recruited in adolescence (N = 162), the current study investigated the trajectory of harsh parenting across childhood (i.e., ages 3 to 9) and how initial levels versus changes in harsh parenting across childhood were associated with corticolimbic activation and connectivity during socioemotional processing. Harsh parenting in early childhood (indexed by the intercept term from a linear growth curve model) was associated with less amygdala, but not PFC, reactivity to angry facial expressions. In contrast, change in harsh parenting across childhood (indexed by the slope term) was associated with less PFC, but not amygdala, activation to angry faces. Increases in, but not initial levels of, harsh parenting were also associated with stronger positive amygdala-PFC connectivity during angry face processing.
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Affiliation(s)
- Arianna M. Gard
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Tyler C. Hein
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
- Serious Mental Illness Treatment Resource Evaluation Center, Office of Mental Health and Suicide Prevention, Department of Veterans Affairs, Ann Arbor, MI, USA
| | - Colter Mitchell
- Survey Research Center of the Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
| | - Jeanne Brooks-Gunn
- Teachers College and the College of Physicians and Surgeons, Columbia University, New York, NY, USA
- Columbia Population Research Center, Columbia University, New York, NY, USA
| | - Sarah S. McLanahan
- Department of Sociology and Public Affairs, Princeton University, Princeton, NJ, USA
- Center for Research on Child Wellbeing, Princeton University, Princeton, NJ, USA
- Office of Population Research, Princeton University, Princeton, NJ, USA
| | - Christopher S. Monk
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
- Survey Research Center of the Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
- Center for Human Growth and Development, University of Michigan, Ann Arbor, MI, USA
| | - Luke W. Hyde
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
- Survey Research Center of the Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
- Center for Human Growth and Development, University of Michigan, Ann Arbor, MI, USA
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12
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Grasser LR, Jovanovic T. Safety learning during development: Implications for development of psychopathology. Behav Brain Res 2021; 408:113297. [PMID: 33862062 PMCID: PMC8102395 DOI: 10.1016/j.bbr.2021.113297] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 03/23/2021] [Accepted: 04/11/2021] [Indexed: 12/13/2022]
Abstract
Fear and safety learning are necessary adaptive behaviors that develop over the course of maturation. While there is a large body of literature regarding the neurobiology of fear and safety learning in adults, less is known regarding safety learning during development. Given developmental changes in the brain, there are corresponding changes in safety learning that are quantifiable; these may serve to predict risk and point to treatment targets for fear and anxiety-related disorders in children and adolescents. For healthy, typically developing youth, the main developmental variation observed is reduced discrimination between threat and safety cues in children compared to adolescents and adults, while lower expression of extinction learning is exhibited in adolescents compared to adults. Such distinctions may be related to faster maturation of the amygdala relative to the prefrontal cortex, as well as incompletely developed functional circuits between the two. Fear and anxiety-related disorders, childhood maltreatment, and behavioral problems are all associated with alterations in safety learning for youth, and this dysfunction may proceed into adulthood with corresponding abnormalities in brain structure and function-including amygdala hypertrophy and hyperreactivity. As impaired inhibition of fear to safety may reflect abnormalities in the developing brain and subsequent psychopathology, impaired safety learning may be considered as both a predictor of risk and a treatment target. Longitudinal neuroimaging studies over the course of development, and studies that query change with interventions are needed in order to improve outcomes for individuals and reduce long-term impact of developmental psychopathology.
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Affiliation(s)
- Lana Ruvolo Grasser
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, 3901 Chrysler Dr, Tolan Park Suite 2C Room 273, Detroit, MI 48201 United States.
| | - Tanja Jovanovic
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, 3901 Chrysler Dr, Tolan Park Suite 2C, Detroit, MI 48201 United States.
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13
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Masuo Y, Satou T, Takemoto H, Koike K. Smell and Stress Response in the Brain: Review of the Connection between Chemistry and Neuropharmacology. Molecules 2021; 26:molecules26092571. [PMID: 33924992 PMCID: PMC8124235 DOI: 10.3390/molecules26092571] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/16/2021] [Accepted: 04/17/2021] [Indexed: 11/24/2022] Open
Abstract
The stress response in the brain is not fully understood, although stress is one of the risk factors for developing mental disorders. On the other hand, the stimulation of the olfactory system can influence stress levels, and a certain smell has been empirically known to have a stress-suppressing effect, indeed. In this review, we first outline what stress is and previous studies on stress-responsive biomarkers (stress markers) in the brain. Subsequently, we confirm the olfactory system and review previous studies on the relationship between smell and stress response by species, such as humans, rats, and mice. Numerous studies demonstrated the stress-suppressing effects of aroma. There are also investigations showing the effects of odor that induce stress in experimental animals. In addition, we introduce recent studies on the effects of aroma of coffee beans and essential oils, such as lavender, cypress, α-pinene, and thyme linalool on the behavior and the expression of stress marker candidates in the brain. The transfer of volatile components into the brain is also discussed while using the results of thyme linalool as an example. These studies may provide a good opportunity to connect chemical research at the molecular level with neuropharmacological approaches in the future.
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Affiliation(s)
- Yoshinori Masuo
- Laboratory of Neuroscience, Department of Biology, Faculty of Science, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan
- Correspondence: ; Tel.: +81-47-472-5257
| | - Tadaaki Satou
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, International University of Health and Welfare, 2600-1 Kitakanemaru, Ohtawara, Tochigi 324-8501, Japan;
| | - Hiroaki Takemoto
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan; (H.T.); (K.K.)
| | - Kazuo Koike
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan; (H.T.); (K.K.)
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14
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Laham BJ, Diethorn EJ, Gould E. Newborn mice form lasting CA2-dependent memories of their mothers. Cell Rep 2021; 34:108668. [PMID: 33503421 PMCID: PMC7985754 DOI: 10.1016/j.celrep.2020.108668] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/26/2020] [Accepted: 12/29/2020] [Indexed: 01/02/2023] Open
Abstract
Some of the most enduring social connections begin when infants first recognize their caregivers, memories that form the basis of many family relationships. It remains unknown whether these early social memories persist into adulthood in mice and, if so, which brain regions support them. Here we show that mice form memories of their mother within days after birth and that these memories persist into adulthood. Pups display greater interest in the mother than in an unfamiliar dam before weaning, after which this preference reverses. Inhibition of CA2 neurons in the pup temporarily blocks the ability to discriminate between the mother and an unfamiliar dam, whereas doing so in adulthood prevents the formation of short-term memories about conspecifics, as well as social discrimination related to long-term memories of the mother. These results suggest that the CA2 supports memories of the mother during infancy and adulthood with a developmental switch in social preference.
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Affiliation(s)
- Blake J Laham
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA
| | - Emma J Diethorn
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA
| | - Elizabeth Gould
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA.
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15
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Salles J, Lacassagne E, Eddiry S, Franchitto N, Salles JP, Tauber M. What can we learn from PWS and SNORD116 genes about the pathophysiology of addictive disorders? Mol Psychiatry 2021; 26:51-59. [PMID: 33082508 DOI: 10.1038/s41380-020-00917-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/16/2020] [Accepted: 10/05/2020] [Indexed: 02/07/2023]
Abstract
Addictive disorders have been much investigated and many studies have underlined the role of environmental factors such as social interaction in the vulnerability to and maintenance of addictive behaviors. Research on addiction pathophysiology now suggests that certain behavioral disorders are addictive, one example being food addiction. Yet, despite the growing body of knowledge on addiction, it is still unknown why only some of the individuals exposed to a drug become addicted to it. This observation has prompted the consideration of genetic heritage, neurodevelopmental trajectories, and gene-environment interactions in addiction vulnerability. Prader-Willi syndrome (PWS) is a rare neurodevelopmental disorder in which children become addicted to food and show early social impairment. PWS is caused by the deficiency of imprinted genes located on the 15q11-q13 chromosome. Among them, the SNORD116 gene was identified as the minimal gene responsible for the PWS phenotype. Several studies have also indicated the role of the Snord116 gene in animal and cellular models to explain PWS pathophysiology and phenotype (including social impairment and food addiction). We thus present here the evidence suggesting the potential involvement of the SNORD116 gene in addictive disorders.
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Affiliation(s)
- Juliette Salles
- Université de Toulouse III, F-31000, Toulouse, France.,CHU de Toulouse, Service de psychiatrie et psychologie, psychiatrie Toulouse, F-31000, Toulouse, France.,Inserm Unité 1043, CNRS 5828, Université Paul Sabatier, Toulouse III, F-31000, Toulouse, France.,CHU de Toulouse, Institut des Handicaps Neurologiques, Psychiatriques et Sensoriels, F-31000, Toulouse, France
| | - Emmanuelle Lacassagne
- Inserm Unité 1043, CNRS 5828, Université Paul Sabatier, Toulouse III, F-31000, Toulouse, France
| | - Sanaa Eddiry
- Inserm Unité 1043, CNRS 5828, Université Paul Sabatier, Toulouse III, F-31000, Toulouse, France
| | - Nicolas Franchitto
- Université de Toulouse III, F-31000, Toulouse, France.,CHU de Toulouse, Service d'addictologie clinique, urgences réanimation médecine, F-31000, Toulouse, France
| | - Jean-Pierre Salles
- Inserm Unité 1043, CNRS 5828, Université Paul Sabatier, Toulouse III, F-31000, Toulouse, France
| | - Maithé Tauber
- Université de Toulouse III, F-31000, Toulouse, France. .,Inserm Unité 1043, CNRS 5828, Université Paul Sabatier, Toulouse III, F-31000, Toulouse, France. .,CHU de Toulouse, Institut des Handicaps Neurologiques, Psychiatriques et Sensoriels, F-31000, Toulouse, France. .,CHU de Toulouse, Centre de référence du Syndrome de Prader-Willi et autres syndromes avec troubles du comportement alimentaire, Unité d'endocrinologie, obésités, maladies osseuses, génétique et gynécologie médicale, F-31000, Toulouse, France.
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16
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Smith KE, Pollak SD. Early life stress and development: potential mechanisms for adverse outcomes. J Neurodev Disord 2020; 12:34. [PMID: 33327939 PMCID: PMC7745388 DOI: 10.1186/s11689-020-09337-y] [Citation(s) in RCA: 144] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 11/13/2020] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Chronic and/or extreme stress in early life, often referred to as early adversity, childhood trauma, or early life stress, has been associated with a wide range of adverse effects on development. However, while early life stress has been linked to negative effects on a number of neural systems, the specific mechanisms through which early life stress influences development and individual differences in children's outcomes are still not well understood. MAIN TEXT The current paper reviews the existing literature on the neurobiological effects of early life stress and their ties to children's psychological and behavioral development. CONCLUSIONS Early life stress has persistent and pervasive effects on prefrontal-hypothalamic-amygdala and dopaminergic circuits that are at least partially mediated by alterations in hypothalamic-pituitary-adrenal axis function. However, to date, this research has primarily utilized methods of assessment that focus solely on children's event exposures. Incorporating assessment of factors that influence children's interpretation of stressors, along with stressful events, has the potential to provide further insight into the mechanisms contributing to individual differences in neurodevelopmental effects of early life stress. This can aid in further elucidating specific mechanisms through which these neurobiological changes influence development and contribute to risk for psychopathology and health disorders.
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Affiliation(s)
- Karen E Smith
- Department of Psychology and Waisman Center, University of Wisconsin-Madison, 1500 S Highland Blvd, Rm 399, Madison, WI, 53705, USA.
| | - Seth D Pollak
- Department of Psychology and Waisman Center, University of Wisconsin-Madison, 1500 S Highland Blvd, Rm 399, Madison, WI, 53705, USA
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17
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Jones L, Laudiano-Dray MP, Whitehead K, Meek J, Fitzgerald M, Fabrizi L, Pillai Riddell R. The impact of parental contact upon cortical noxious-related activity in human neonates. Eur J Pain 2020; 25:149-159. [PMID: 32965725 PMCID: PMC8436758 DOI: 10.1002/ejp.1656] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 07/13/2020] [Accepted: 08/28/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Neonates display strong behavioural, physiological and cortical responses to tissue-damaging procedures. Parental contact can successfully regulate general behavioural and physiological reactivity of the infant, but it is not known whether it can influence noxious-related activity in the brain. Brain activity is highly dependent upon maternal presence in animal models, and therefore this could be an important contextual factor in human infant pain-related brain activity. METHODS Global topographic analysis was used to identify the presence and inter-group differences in noxious-related activity in three separate parental contexts. EEG was recorded during a clinically required heel lance in three age and sex-matched groups of neonates (a) while held by a parent in skin-to-skin (n = 9), (b) while held by a parent with clothing (n = 9) or (c) not held at all, but in individualized care (n = 9). RESULTS The lance elicited a sequence of 4-5 event-related potentials (ERPs), including the noxious ERP (nERP), which was smallest for infants held skin-to-skin and largest for infants held with clothing (p=0.016). The nERP was then followed by additional and divergent long-latency ERPs (> 750 ms post-lance), not previously described, in each of the groups, suggesting the engagement of different higher level cortical processes depending on parental contact. CONCLUSIONS These results show the importance of considering contextual factors in determining infant brain activity and reveal the powerful influence of parental contact upon noxious-related activity across the developing human brain. SIGNIFICANCE This observational study found that the way in which the neonatal brain processes a noxious stimulus is altered by the type of contact the infant has with their mother. Specifically, being held in skin-to-skin reduces the magnitude of noxious-related cortical activity. This work has also shown that different neural mechanisms are engaged depending on the mother/infant context, suggesting maternal contact can change how a baby's brain processes a noxious stimulus.
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Affiliation(s)
- Laura Jones
- Department of Neuroscience, Physiology & Pharmacology, University College London, London, UK
| | | | - Kimberley Whitehead
- Department of Neuroscience, Physiology & Pharmacology, University College London, London, UK
| | - Judith Meek
- Elizabeth Garrett Anderson Obstetric Wing, University College London Hospitals, London, UK
| | - Maria Fitzgerald
- Department of Neuroscience, Physiology & Pharmacology, University College London, London, UK
| | - Lorenzo Fabrizi
- Department of Neuroscience, Physiology & Pharmacology, University College London, London, UK
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18
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19
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Svendsen S, Griffin J, Forkey H. Using the Attachment Relationship and Positive Parenting Principles to Build Childhood Resilience. Adv Pediatr 2020; 67:15-28. [PMID: 32591059 DOI: 10.1016/j.yapd.2020.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Sasha Svendsen
- Child Protection Program and Foster Children Evaluation Services (FaCES), Department of Pediatrics, UMass Memorial Children's Medical Center, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA.
| | - Jessica Griffin
- Child Trauma Training Center, Department of Psychiatry, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA
| | - Heather Forkey
- Child Protection Program and Foster Children Evaluation Services (FaCES), Department of Pediatrics, UMass Memorial Children's Medical Center, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA
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20
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Colucci P, De Castro V, Peloso A, Splendori M, Trezza V, Campolongo P. Perinatal exposure to omega-3 fatty acid imbalance leads to early behavioral alterations in rat pups. Behav Brain Res 2020; 392:112723. [DOI: 10.1016/j.bbr.2020.112723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/16/2020] [Accepted: 05/19/2020] [Indexed: 01/05/2023]
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21
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Dulor Finkler A, Espinoza Pardo GV, Bolten Lucion A. Repeated cross‐fostering affects maternal behavior and olfactory preferences in rat pups. Dev Psychobiol 2020; 62:283-296. [DOI: 10.1002/dev.21907] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 07/14/2019] [Accepted: 07/16/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Andrea Dulor Finkler
- Graduate Program in Neuroscience Institute of Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
- Department of Physiology Institute of Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
- Universidade Luterana do Brasil Canoas Brazil
| | - Grace Violeta Espinoza Pardo
- Department of Physiology Institute of Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
- Centre for Interdisciplinary Science and Society Studies Universidad de Ciencias y Humanidades Lima Peru
| | - Aldo Bolten Lucion
- Graduate Program in Neuroscience Institute of Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
- Department of Physiology Institute of Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
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22
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Miranda-Morales RS, D'Aloisio G, Anunziata F, Abate P, Molina JC. Fetal Alcohol Programming of Subsequent Alcohol Affinity: A Review Based on Preclinical, Clinical and Epidemiological Studies. Front Behav Neurosci 2020; 14:33. [PMID: 32210775 PMCID: PMC7077749 DOI: 10.3389/fnbeh.2020.00033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 02/17/2020] [Indexed: 12/20/2022] Open
Abstract
The anatomo-physiological disruptions inherent to different categories of the Fetal Alcohol Spectrum Disorder do not encompass all the negative consequences derived from intrauterine ethanol (EtOH) exposure. Preclinical, clinical and epidemiological studies show that prenatal EtOH exposure also results in early programming of alcohol affinity. This affinity has been addressed through the examination of how EtOH prenatally exposed organisms recognize and prefer the drug’s chemosensory cues and their predisposition to exhibit heightened voluntary EtOH intake during infancy and adolescence. In altricial species these processes are determined by the interaction of at least three factors during stages equivalent to the 2nd and 3rd human gestational trimester: (i) fetal processing of the drug’s olfactory and gustatory attributes present in the prenatal milieu; (ii) EtOH’s recruitment of central reinforcing effects that also imply progressive sensitization to the drug’s motivational properties; and (iii) an associative learning process involving the prior two factors. This Pavlovian learning phenomenon is dependent upon the recruitment of the opioid system and studies also indicate a significant role of EtOH’s principal metabolite (acetaldehyde, ACD) which is rapidly generated in the brain via the catalase system. The central and rapid accumulation of this metabolite represents a major factor involved in the process of fetal alcohol programming. According to recent investigations, it appears that ACD exerts early positive reinforcing consequences and antianxiety effects (negative reinforcement). Finally, this review also acknowledges human clinical and epidemiological studies indicating that moderate and binge-like drinking episodes during gestation result in neonatal recognition of EtOH’s chemosensory properties coupled with a preference towards these cues. As a whole, the studies under discussion emphasize the notion that even subteratogenic EtOH exposure during fetal life seizes early functional sensory and learning capabilities that pathologically shape subsequent physiological and behavioral reactivity towards the drug.
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Affiliation(s)
- Roberto Sebastián Miranda-Morales
- Instituto de Investigación Médica Mercedes y Martín Ferreyra, INIMEC-CONICET- Universidad Nacional de Córdoba, Córdoba, Argentina.,Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Genesis D'Aloisio
- Instituto de Investigación Médica Mercedes y Martín Ferreyra, INIMEC-CONICET- Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Florencia Anunziata
- Instituto de Investigación Médica Mercedes y Martín Ferreyra, INIMEC-CONICET- Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Paula Abate
- Instituto de Investigaciones Psicológicas, Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Juan Carlos Molina
- Instituto de Investigación Médica Mercedes y Martín Ferreyra, INIMEC-CONICET- Universidad Nacional de Córdoba, Córdoba, Argentina.,Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
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23
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Gecse E, Gilányi B, Csaba M, Hajdú G, Sőti C. A cellular defense memory imprinted by early life toxic stress. Sci Rep 2019; 9:18935. [PMID: 31831768 PMCID: PMC6908573 DOI: 10.1038/s41598-019-55198-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 11/14/2019] [Indexed: 01/09/2023] Open
Abstract
Stress exposure early in life is implicated in various behavioural and somatic diseases. Experiences during the critical perinatal period form permanent, imprinted memories promoting adult survival. Although imprinting is widely recognized to dictate behaviour, whether it actuates specific transcriptional responses at the cellular level is unknown. Here we report that in response to early life stresses, Caenorhabditis elegans nematodes form an imprinted cellular defense memory. We show that exposing newly-born worms to toxic antimycin A and paraquat, respectively, stimulates the expression of toxin-specific cytoprotective reporters. Toxin exposure also induces avoidance of the toxin-containing bacterial lawn. In contrast, adult worms do not exhibit aversive behaviour towards stress-associated bacterial sensory cues. However, the mere re-encounter with the same cues reactivates the previously induced cytoprotective reporters. Learned adult defenses require memory formation during the L1 larval stage and do not appear to confer increased protection against the toxin. Thus, exposure of C. elegans to toxic stresses in the critical period elicits adaptive behavioural and cytoprotective responses, which do not form imprinted aversive behaviour, but imprint a cytoprotective memory. Our findings identify a novel form of imprinting and suggest that imprinted molecular defenses might underlie various pathophysiological alterations related to early life stress.
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Affiliation(s)
- Eszter Gecse
- Department of Medical Chemistry, Semmelweis University, Budapest, Hungary
| | - Beatrix Gilányi
- Department of Medical Chemistry, Semmelweis University, Budapest, Hungary
| | - Márton Csaba
- Department of Medical Chemistry, Semmelweis University, Budapest, Hungary
| | - Gábor Hajdú
- Department of Medical Chemistry, Semmelweis University, Budapest, Hungary
| | - Csaba Sőti
- Department of Medical Chemistry, Semmelweis University, Budapest, Hungary.
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24
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Burgos-Robles A, Gothard KM, Monfils MH, Morozov A, Vicentic A. Conserved features of anterior cingulate networks support observational learning across species. Neurosci Biobehav Rev 2019; 107:215-228. [PMID: 31509768 PMCID: PMC6875610 DOI: 10.1016/j.neubiorev.2019.09.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 08/27/2019] [Accepted: 09/06/2019] [Indexed: 02/06/2023]
Abstract
The ability to observe, interpret, and learn behaviors and emotions from conspecifics is crucial for survival, as it bypasses direct experience to avoid potential dangers and maximize rewards and benefits. The anterior cingulate cortex (ACC) and its extended neural connections are emerging as important networks for the detection, encoding, and interpretation of social signals during observational learning. Evidence from rodents and primates (including humans) suggests that the social interactions that occur while individuals are exposed to important information in their environment lead to transfer of information across individuals that promotes adaptive behaviors in the form of either social affiliation, alertness, or avoidance. In this review, we first showcase anatomical and functional connections of the ACC in primates and rodents that contribute to the perception of social signals. We then discuss species-specific cognitive and social functions of the ACC and differentiate between neural activity related to 'self' and 'other', extending into the difference between social signals received and processed by the self, versus observing social interactions among others. We next describe behavioral and neural events that contribute to social learning via observation. Finally, we discuss some of the neural mechanisms underlying observational learning within the ACC and its extended network.
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Affiliation(s)
- Anthony Burgos-Robles
- Department of Biology, Neuroscience Institute, University of Texas at San Antonio, San Antonio, TX 78249, USA; Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Katalin M Gothard
- Department of Physiology, University of Arizona, Tucson, AZ 85724, USA
| | - Marie H Monfils
- Department of Psychology, Institute for Mental Health Research, University of Texas at Austin, Austin, TX 78712, USA
| | - Alexei Morozov
- Department of Psychiatry and Behavioral Medicine, Virginia Tech Carilion School of Medicine, Roanoke, VA 24016, USA
| | - Aleksandra Vicentic
- Division of Neuroscience and Basic Behavioral Science, National Institute of Mental Health, Rockville, MD 20852, USA.
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25
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Contreras MP, Born J, Inostroza M. The expression of allocentric object-place recognition memory during development. Behav Brain Res 2019; 372:112013. [DOI: 10.1016/j.bbr.2019.112013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 06/03/2019] [Accepted: 06/04/2019] [Indexed: 02/04/2023]
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26
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Cowan CSM, Richardson R. A Brief Guide to Studying Fear in Developing Rodents: Important Considerations and Common Pitfalls. ACTA ACUST UNITED AC 2019; 83:e44. [PMID: 30040208 DOI: 10.1002/cpns.44] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Development is a time of rapid change that sets the pathway to adult functioning across all aspects of physical and mental health. Developmental studies can therefore offer insight into the unique needs of individuals at different stages of normal development as well as the etiology of various disease states. The aim of this overview is to provide an introduction to the practical implementation of developmental studies in rats and mice, with an emphasis on the study of learned fear. We first discuss how developmental factors may influence experimental outcomes for any study. This is followed by a discussion of methodological issues to consider when conducting studies of developing rodents, highlighting examples from the literature on learned fear. Throughout, we offer some recommendations to guide researchers on best practice in developmental studies. © 2018 by John Wiley & Sons, Inc.
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Affiliation(s)
| | - Rick Richardson
- School of Psychology, The University of New South Wales, Sydney, Australia
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27
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Debiec J, Olsson A. Social Fear Learning: from Animal Models to Human Function. Trends Cogn Sci 2017; 21:546-555. [PMID: 28545935 DOI: 10.1016/j.tics.2017.04.010] [Citation(s) in RCA: 101] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Revised: 04/23/2017] [Accepted: 04/24/2017] [Indexed: 01/09/2023]
Abstract
Learning about potential threats is critical for survival. Learned fear responses are acquired either through direct experiences or indirectly through social transmission. Social fear learning (SFL), also known as vicarious fear learning, is a paradigm successfully used for studying the transmission of threat information between individuals. Animal and human studies have begun to elucidate the behavioral, neural and molecular mechanisms of SFL. Recent research suggests that social learning mechanisms underlie a wide range of adaptive and maladaptive phenomena, from supporting flexible avoidance in dynamic environments to intergenerational transmission of trauma and anxiety disorders. This review discusses recent advances in SFL studies and their implications for basic, social and clinical sciences.
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Affiliation(s)
- Jacek Debiec
- Molecular & Behavioral Neuroscience Institute and Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA.
| | - Andreas Olsson
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
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28
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Enduring Neural and Behavioral Effects of Early Life Adversity in Infancy: Consequences of Maternal Abuse and Neglect, Trauma and Fear. Curr Behav Neurosci Rep 2017. [DOI: 10.1007/s40473-017-0112-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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