Molecular Dissection of Neural Circuits Underlying Parental Behavior in Mice

Molecular Dissection of Neural Circuits Underlying Parental Behavior in Mice
Author: Zheng Wu
Publisher:
Total Pages:
Release: 2013
Genre:
ISBN:

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Mice display robust and stereotyped behaviors towards pups: virgin males typically attack pups, while virgin females and sexually experienced males display parental care. I show here that virgin males that are genetically impaired in vomeronasal sensing do not attack pups and are parental, suggesting a key role of the vomeronasal system in controlling male infanticide. In addition, we have identified putative vomeronasal receptors (or receptor groups) for the detection of pup odors, thus uncovering new tools for the molecular and genetic dissection of male infanticide. Further, we have uncovered galanin-expressing neurons in the medial preoptic area (MPOA) as key regulators of male and female parental behavior. Genetic ablation of MPOA galanin- neurons results in dramatic impairment of parental responses in both virgin females and sexually experienced males. In addition, optogenetic activation of these cells in virgin males suppresses infanticide and induces pup grooming. Thus, MPOA galanin-expressing neurons emerge as an essential node of regulation of innate behavior in the hypothalamus that orchestrates male and female parenting while opposing vomeronasal circuits underlying infanticide. Our results provide an entry point for the genetic and circuit-level dissection of mouse parental behavior and its modulation by social experience.

The Neurobiology of Parental Behavior

The Neurobiology of Parental Behavior
Author: Michael Numan
Publisher: Springer Science & Business Media
Total Pages: 428
Release: 2006-05-17
Genre: Science
ISBN: 0387217991

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In addition to filling a need within the field of parental behavior, this book contributes importantly to the growing area of emotional and motivational neuroscience. A major part of neuroscience research at the whole organism level has been focused on cognitive neuroscience, with an emphasis on the neurobiology of learning and memory, but there has been a recent upsurge in research which is attempting to define the neural basis of basic motivational and emotional systems which regulate such behaviors as food intake, aggression, reproduction, reward-seeking behaviors, and anxiety-related behaviors. In this book the emphasis is on the research findings obtained from rodents, sheep and primates. The authors' goal, of course, was to provide a foundation that may help us understand the neurobiology of human parental behavior. Indeed, the last chapter attempts to integrate the non-human research data with some human data in order to make some inroads toward an understanding of postpartum depression, child abuse, and child neglect. Clearly, motivational and emotional neuroscience has close ties to psychiatry, and this connection will be very evident in the final chapter. By understanding the neurobiology of parental behavior we are also delving into neurobiological factors which may have an impact on core human characteristics involved in sociality, social attachment, nurturing behavior, and love. In this very violent world, it is hard to conceive of a group of characteristics that are more worthy of study.

Galanin

Galanin
Author: Tomas Hökfelt
Publisher: Springer Science & Business Media
Total Pages: 285
Release: 2010-08-18
Genre: Science
ISBN: 3034602286

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Galanin is a neuropeptide found both in the central and peripheral nervous system. The 29-amino acid peptide (named after its N-terminal glycine and C-terminal alanine) was identified in 1983 by its C-terminal amidation. This 'reverse' approach, that is to discover a substance through a distinct chemical feature, and only subsequently to characterize its biological activity, was novel and has been successful in the identification of several other peptides. After the structure of galanin was determined in 1983, functional studies were performed with material purified from natural sources until the synthetic form of the peptide became available. Galanin can act as transmitter, modulator and trophic factor, and is involved in a number of physiological processes such as hormone secretion, cardiovascular mechanisms, feeding and cognition. This peptide may also be of significance for a number of pathological processes/disorders including pain, depression, Alzheimer's disease, epilepsy, addiction and cancer. This wide diversity of actions is mediated by three galanin receptor subtypes. The studies reviewed in this volume give a fairly complete overview of the spectrum of the biological actions and functions of galanin and its receptors and on possible therapeutic applications in a number of pathological conditions.

Design Thinking in Consulting

Design Thinking in Consulting
Author: Mohan Kancharla
Publisher: Notion Press
Total Pages: 242
Release: 2021-06-01
Genre: Business & Economics
ISBN: 1637816383

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Consulting is an Art, not a Science – Design on the other hand is beyond Art; it’s about pragmatic compromise, not perfection. Design Thinking in literal terms means thinking as a designer would. Design Thinking as a method is empirical in the sense that it is both experimental and experiential. However, like all methods, it’s not what it is but what you do with it that counts! Design Thinking is an approach to innovation that is powerful, effective and broadly accessible, which can be integrated into all aspects of products, services, business and society. Design Thinking in Consulting is structured in three parts along the lines of Roger Martin’s ‘Knowledge Funnel’ moving from Mystery to Heuristic to Algorithm. Part I | Consulting Overview of Consulting with a specific focus on Consulting Spectrum and Consulting Cycle for the purpose of this book – The Mystery. Part II | Design Thinking Introduction to Design Thinking, the various schools of thought, approaches, tools and techniques analyzed and articulated as a matrix of Principles vs Practices for the purpose of this book – The Heuristic. Part III | Design Thinking in Consulting In separate chapters for each of the Consulting Phases, the above Design Thinking Principles and Practices are evaluated to be fit for purpose and further extrapolated to relevant segments of the Consulting Spectrum for the purpose of this book – The Algorithm.

Drosophila Eye Development

Drosophila Eye Development
Author: Kevin Moses
Publisher: Springer Science & Business Media
Total Pages: 296
Release: 2002-03-12
Genre: Medical
ISBN: 9783540425908

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1 Kevin Moses It is now 25 years since the study of the development of the compound eye in Drosophila really began with a classic paper (Ready et al. 1976). In 1864, August Weismann published a monograph on the development of Diptera and included some beautiful drawings of the developing imaginal discs (Weismann 1864). One of these is the first description of the third instar eye disc in which Weismann drew a vertical line separating a posterior domain that included a regular pattern of clustered cells from an anterior domain without such a pattern. Weismann suggested that these clusters were the precursors of the adult ommatidia and that the line marks the anterior edge of the eye. In his first suggestion he was absolutely correct - in his second he was wrong. The vertical line shown was not the anterior edge of the eye, but the anterior edge of a moving wave of patterning and cell type specification that 112 years later (1976) Ready, Hansen and Benzer would name the "morphogenetic furrow". While it is too late to hear from August Weismann, it is a particular pleasure to be able to include a chapter in this Volume from the first author of that 1976 paper: Don Ready! These past 25 years have seen an astonishing explosion in the study of the fly eye (see Fig.

Neurobehavioral Genetics

Neurobehavioral Genetics
Author: Byron C. Jones
Publisher: CRC Press
Total Pages: 522
Release: 2006-08-30
Genre: Medical
ISBN: 1420003569

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A complete background to concepts and principles of behavioral genetics, Neurobehavioral Genetics: Methods and Applications, Second Edition features a broad spectrum of the most current techniques in neurobehavioral genetics in a single source. International researchers incorporate several new developments in the field, including: De

Innate

Innate
Author: Kevin J. Mitchell
Publisher: Princeton University Press
Total Pages: 305
Release: 2020-03-31
Genre: Psychology
ISBN: 0691204152

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"What makes you the way you are--and what makes each of us different from everyone else? In Innate, leading neuroscientist and popular science blogger Kevin Mitchell traces human diversity and individual differences to their deepest level: in the wiring of our brains. Deftly guiding us through important new research, including his own groundbreaking work, he explains how variations in the way our brains develop before birth strongly influence our psychology and behavior throughout our lives, shaping our personality, intelligence, sexuality, and even the way we perceive the world. We all share a genetic program for making a human brain, and the program for making a brain like yours is specifically encoded in your DNA. But, as Mitchell explains, the way that program plays out is affected by random processes of development that manifest uniquely in each person, even identical twins. The key insight of Innate is that the combination of these developmental and genetic variations creates innate differences in how our brains are wired--differences that impact all aspects of our psychology--and this insight promises to transform the way we see the interplay of nature and nurture. Innate also explores the genetic and neural underpinnings of disorders such as autism, schizophrenia, and epilepsy, and how our understanding of these conditions is being revolutionized. In addition, the book examines the social and ethical implications of these ideas and of new technologies that may soon offer the means to predict or manipulate human traits. Compelling and original, Innate will change the way you think about why and how we are who we are."--Provided by the publisher.

The Evolution of Primary Sexual Characters in Animals

The Evolution of Primary Sexual Characters in Animals
Author: Janet Leonard
Publisher: Oxford University Press
Total Pages: 550
Release: 2010-07-16
Genre: Science
ISBN: 0199717036

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Primary sexual traits, those structures and processes directly involved in reproduction, are some of the most diverse, specialized, and bizarre in the animal kingdom. Moreover, reproductive traits are often species-specific, suggesting that they evolved very rapidly. This diversity, long the province of taxonomists, has recently attracted broader interest from evolutionary biologists, especially those interested in sexual selection and the evolution of reproductive strategies. Primary sexual characters were long assumed to be the product of natural selection, exclusively. A recent alternative suggests that sexual selection explains much of the diversity of "primary" sexual characters. A third approach to the evolution of reproductive interactions after copulation or insemination has been to consider the process one of sexual conflict. That is, the reproductive processes of a species may reflect, as does the mating system, evolution acting on males and on females, but in different directions. In this volume, authors explore a wide variety of primary sexual characters and selective pressures that have shaped them, from natural selection for offspring survival to species-isolating mechanisms, sperm competition, cryptic female choice and sexual arms races. Exploring diverse reproductive adaptations from a theoretical and practical perspective, The Evolution of Primary Sexual Characters will provide an unparalleled overview of sexual diversity in many taxa and an introduction to the issues in sexual selection that are changing our view of sexual processes.

The Oxford Handbook of Molecular Psychology

The Oxford Handbook of Molecular Psychology
Author: Turhan Canli
Publisher: Oxford Library of Psychology
Total Pages: 481
Release: 2015
Genre: Medical
ISBN: 0199753881

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This entry in the Oxford Library of Psychology compiles cutting- edge research organized around the concept "molecular psychology," which applies principles of molecular biology to the study of behavior and its neural underpinnings. Determining the biological bases for behavior, and the extent to which we can observe and explain their neural underpinnings, requires a bold, broadly defined research methodology. The interdisciplinary entries in this handbook are organized around the principle of "molecular psychology," which unites cutting-edge research from such wide-ranging disciplines as clinical neuroscience and genetics, psychology, behavioral neuroscience, and neuroethology. For the first time in a single volume, leaders in diverse research areas use molecular approaches to investigate social behavior, psychopathology, emotion, cognition and stress in healthy volunteers, patient populations, and an array of non-human species including rodents, insects, fish, and non-human primates. Chapters draw on molecular methods covering candidate genes, genome-wide association studies, copy number variations, gene expression studies, and epigenetics while addressing the ethical, legal, and social issues to emerge from this new and exciting research approach.

Neurogenesis and Neural Plasticity

Neurogenesis and Neural Plasticity
Author: Catherine Belzung
Publisher: Springer Science & Business Media
Total Pages: 447
Release: 2014-07-08
Genre: Medical
ISBN: 364236232X

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This volume brings together authors working on a wide range of topics to provide an up to date account of the underlying mechanisms and functions of neurogenesis and synaptogenesis in the adult brain. With an increasing understanding of the role of neurogenesis and synaptogenesis it is possible to envisage improvements or novel treatments for a number of diseases and the possibility of harnessing these phenomena to reduce the impact of ageing and to provide mechanisms to repair the brain.