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https://www.readbyqxmd.com/read/29455891/multi-objective-path-planning-for-unmanned-surface-vehicle-with-currents-effects
#1
Yong Ma, Mengqi Hu, Xinping Yan
This paper investigates the path planning problem for unmanned surface vehicle (USV), wherein the goal is to find the shortest, smoothest, most economical and safest path in the presence of obstacles and currents, which is subject to the collision avoidance, motion boundaries and velocity constraints. We formulate this problem as a multi-objective nonlinear optimization problem with generous constraints. Then, we propose the dynamic augmented multi-objective particle swarm optimization algorithm to achieve the solution...
February 15, 2018: ISA Transactions
https://www.readbyqxmd.com/read/29445839/vocalization-as-a-novel-endpoint-of-atypical-attachment-behavior-in-2-3-7-8-tetrachlorodibenzo-p-dioxin-exposed-infant-mice
#2
Eiki Kimura, Chiharu Tohyama
Mammalian attachment behaviors, such as crying, are essential for infant survival by receiving food, protection, and warmth from caregivers. Ultrasonic vocalization (USV) of infant rodents functions to promote maternal proximity. Impaired USV emission has been reported in mouse models of autism spectrum disorder, suggesting that USV is associated with higher brain function. In utero and lactational dioxin exposure is known to induce higher brain function abnormalities in adulthood; however, whether perinatal dioxin exposure affects behavior during infancy is unclear...
February 14, 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29428599/maternal-high-fructose-diet-and-neonatal-immune-challenge-alter-offspring-anxiety-like-behavior-and-inflammation-across-the-lifespan
#3
Syed Hussain F Bukhari, Olivia E Clark, Lauren L Williamson
AIMS: This study examined the interaction between maternal high fructose diet and neonatal inflammation in neonates (P7), juveniles (P26-34) and adults on measures of anxiety-like behavior and cognition. The study aimed to assess the potential synergistic effects of these two forms of early-life inflammation. MAIN METHODS: We fed Sprague-Dawley dams with high fructose (60%) diet or normal chow. Each litter was treated with either saline or lipopolysaccharide (LPS) on postnatal day (P)3 and P5 and two pups were tested for USVs after maternal separation on P7...
February 8, 2018: Life Sciences
https://www.readbyqxmd.com/read/29427829/alcohol-na%C3%A3-ve-usvs-distinguish-male-had-1-from-lad-1-rat-strains
#4
Nitish Mittal, Neha Thakore, James M Reno, Richard L Bell, W Todd Maddox, Timothy Schallert, Christine L Duvauchelle
Ultrasonic vocalizations (USVs) are mediated through specific dopaminergic and cholinergic neural pathways and serve as real-time measures of positive and negative emotional status in rodents. Although most USV studies focus primarily on USV counts, each USV possesses a number of characteristics shown to reflect activity in the associated neurotransmitter system. In the present study, we recorded spontaneously emitted USVs from alcohol-naïve high alcohol drinking (HAD-1) and low alcohol drinking (LAD-1) rats...
September 14, 2017: Alcohol
https://www.readbyqxmd.com/read/29383287/remote-collection-of-microorganisms-at-two-depths-in-a-freshwater-lake-using-an-unmanned-surface-vehicle-usv
#5
Craig Powers, Regina Hanlon, David G Schmale Iii
Microorganisms are ubiquitous in freshwater aquatic environments, but little is known about their abundance, diversity, and transport. We designed and deployed a remote-operated water-sampling system onboard an unmanned surface vehicle (USV, a remote-controlled boat) to collect and characterize microbes in a freshwater lake in Virginia, USA. The USV collected water samples simultaneously at 5 and 50 cm below the surface of the water at three separate locations over three days in October, 2016. These samples were plated on a non-selective medium (TSA) and on a medium selective for the genus Pseudomonas (KBC) to estimate concentrations of culturable bacteria in the lake...
2018: PeerJ
https://www.readbyqxmd.com/read/29377611/developmental-social-communication-deficits-in-the-shank3-rat-model-of-phelan-mcdermid-syndrome-and-autism-spectrum-disorder
#6
Elizabeth L Berg, Nycole A Copping, Josef K Rivera, Michael C Pride, Milo Careaga, Melissa D Bauman, Robert F Berman, Pamela J Lein, Hala Harony-Nicolas, Joseph D Buxbaum, Jacob Ellegood, Jason P Lerch, Markus Wöhr, Jill L Silverman
Mutations in the SHANK3 gene have been discovered in autism spectrum disorder (ASD), and the intellectual disability, Phelan-McDermid Syndrome. This study leveraged a new rat model of Shank3 deficiency to assess complex behavioral phenomena, unique to rats, which display a richer social behavior repertoire than mice. Uniquely detectable emissions of ultrasonic vocalizations (USV) in rats serve as situation-dependent affective signals and accomplish important communicative functions. We report, for the first time, a call and response acoustic playback assay of bidirectional social communication in juvenile Shank3 rats...
January 29, 2018: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29291091/laryngeal-airway-reconstruction-indicates-that-rodent-ultrasonic-vocalizations-are-produced-by-an-edge-tone-mechanism
#7
Tobias Riede, Heather L Borgard, Bret Pasch
Some rodents produce ultrasonic vocalizations (USVs) for social communication using an aerodynamic whistle, a unique vocal production mechanism not found in other animals. The functional anatomy and evolution of this sound production mechanism remains unclear. Using laryngeal airway reconstruction, we identified anatomical specializations critical for USV production. A robust laryngeal cartilaginous framework supports a narrow supraglottal airway. An intralaryngeal airsac-like cavity termed the ventral pouch was present in three muroid rodents (suborder Myomorpha), but was absent in a heteromyid rodent (suborder Castorimorpha) that produces a limited vocal repertoire and no documented USVs...
November 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29236704/sex-dependent-modulation-of-ultrasonic-vocalizations-in-house-mice-mus-musculus-musculus
#8
Sarah M Zala, Doris Reitschmidt, Anton Noll, Peter Balazs, Dustin J Penn
House mice (Mus musculus) emit ultrasonic vocalizations (USVs), which are surprisingly complex and have features of bird song, but their functions are not well understood. Previous studies have reported mixed evidence on whether there are sex differences in USV emission, though vocalization rate or other features may depend upon whether potential receivers are of the same or opposite sex. We recorded the USVs of wild-derived adult house mice (F1 of wild-caught Mus musculus musculus), and we compared the vocalizations of males and females in response to a stimulus mouse of the same- or opposite-sex...
2017: PloS One
https://www.readbyqxmd.com/read/29209998/rodent-ultrasonic-vocalizations-as-biomarkers-of-future-alcohol-use-a-predictive-analytic-approach
#9
Nitish Mittal, W Todd Maddox, Timothy Schallert, Christine L Duvauchelle
Excessive alcohol consumption has a vast, negative impact on society. Rodent models have been successful in furthering our understanding of the biological underpinnings that drive alcohol consumption. Rodents emit ultrasonic vocalizations (USVs) that are each composed of several acoustic characteristics (e.g., frequency, duration, bandwidth, power). USVs reflect neurotransmitter activity in the ascending limb of the mesolimbic dopaminergic and cholinergic neurotransmitter systems and serve as noninvasive, real-time biomarkers of dopaminergic and cholinergic neurotransmission in the limbic system...
December 5, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29201556/ns-pten-knockout-mice-show-sex-and-age-specific-differences-in-ultrasonic-vocalizations
#10
Matthew S Binder, Joaquin N Lugo
Objective: The goal of this study was to identify changes in quantitative and qualitative aspects of neonatal ultrasonic vocalizations USVs in neuron-subset specific (NS-Pten) knockout males and females when compared with wild-type male and female mice. Background: One signaling cascade that plays a crucial role in the development of an autistic-like phenotype is the PI3K/Akt/mTOR pathway. Mouse models that illustrate this connection include Fmr1, Tsc1, and NS-Pten-deficient mice...
November 2017: Brain and Behavior
https://www.readbyqxmd.com/read/29186532/loss-of-offspring-peg3-reduces-neonatal-ultrasonic-vocalisations-and-increases-maternal-anxiety-in-wild-type-mothers
#11
G I McNamara, H D J Creeth, D J Harrison, K E Tansey, R M Andrews, A R Isles, R M John
Depression and anxiety are the most common mental health conditions during pregnancy and can impair the normal development of mother-infant interactions. These adversities are associated with low birth weight and increased risk of behavioural disorders in children. We recently reported reduced expression of the imprinted gene PATERNALLY EXPRESSED GENE 3 (PEG3) in placenta of human infants born to depressed mothers. Expression of Peg3 in brain has previously been linked maternal behaviour in rodents, at least in some studies, with mutant dams neglecting their pups...
November 24, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29182715/modulation-of-rat-50-khz-ultrasonic-vocalizations-by-glucocorticoid-signaling-possible-relevance-to-reward-and-motivation
#12
Nicola Simola, Elena Paci, Marcello Serra, Giulia Costa, Micaela Morelli
Background: Rats emit 50-kHz ultrasonic vocalizations (USVs) to communicate positive emotional states, and these USVs are increasingly being investigated in preclinical studies on reward and motivation. Although it is the activation of dopamine receptors that initiates the emission of 50-kHz USVs, non-dopaminergic mechanisms may modulate calling in the 50 kHz frequency band. To further elucidate these mechanisms, the present study investigated whether the pharmacological manipulation of glucocorticoid signaling influenced calling...
November 22, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29146494/sex-specific-ultrasonic-vocalization-patterns-and-alcohol-consumption-in-high-alcohol-drinking-had-1-rats
#13
N Mittal, N Thakore, R L Bell, W T Maddox, T Schallert, C L Duvauchelle
Ultrasonic vocalizations (USVs) have been established as an animal model of emotional status and are often utilized in drug abuse studies as motivational and emotional indices. Further USV functionality has been demonstrated in our recent work showing accurate identification of selectively-bred high versus low alcohol-consuming male rats ascertained exclusively from 22 to 28kHz and 50-55kHz FM USV acoustic parameters. With the hypothesis that alcohol-sensitive sex differences could be revealed through USV acoustic parameters, the present study examined USVs and alcohol consumption in male and female selectively bred high-alcohol drinking (HAD-1) rats...
November 13, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/29108778/the-timing-and-duration-of-estradiol-treatment-in-a-rat-model-of-the-perimenopause-influences-on-social-behavior-and-the-neuromolecular-phenotype
#14
Alexandra N Garcia, Christina Depena, Kelsey Bezner, Weiling Yin, Andrea C Gore
This study tested the effects of timing and duration of estradiol (E2) treatment, factors that are clinically relevant to hormone replacement in perimenopausal women, on social behavior and expression of genes in brain regions that regulate these behaviors. Female rats were ovariectomized (OVX) at 1year of age, roughly equivalent to middle-age in women, and given E2 or vehicle for different durations (3 or 6months) and timing (immediately or after a 3-month delay) relative to OVX. Social and ultrasonic vocalization (USV) behaviors were assessed at the 3 and 6month timepoints, and the rats' brains were then used for gene expression profiling in hypothalamus (supraoptic nucleus, paraventricular nucleus), bed nucleus of the stria terminalis, medial amygdala, and prefrontal cortex using a 48-gene qPCR platform...
November 8, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/29052939/qtl-mapping-and-analysis-of-heritable-variation-in-affiliative-social-behavior-and-related-traits
#15
Allison T Knoll, Kevin Jiang, Pat Levitt
Humans exhibit broad heterogeneity in affiliative social behavior. Twin and family studies demonstrate that individual differences in core dimensions of social behavior are heritable, yet there are knowledge gaps in understanding the underlying genetic and neurobiological mechanisms. Animal genetic reference panels (GRPs) provide a tractable strategy for examining the behavioral and genetic architecture of complex traits. Here, using males from 50 mouse strains from the BXD GRP, four domains of affiliative social behavior-social approach, social recognition, direct social interaction (partner sniffing), and vocal communication-were examined in two widely used behavioral tasks-the 3-chamber and direct social interaction tasks...
October 20, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29044126/understanding-pup-affective-state-through-ethologically-significant-ultrasonic-vocalization-frequency
#16
Julie Boulanger-Bertolus, Millie Rincón-Cortés, Regina M Sullivan, Anne-Marie Mouly
Throughout life, rats emit ultrasonic vocalizations (USV) when confronted with an aversive situation. However, the conditions classically used to elicit USV vary greatly with the animal's age (isolation from the dam in infancy, versus nociceptive stimulation in adults). The present study is the first to characterize USV responses to the same aversive event throughout development. Specifically, infant, juvenile and adult rats were presented with mild foot-shocks and their USV frequency, duration, and relationship with respiration and behavior were compared...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29035974/altered-ultrasonic-vocalization-in-neonatal-sapap3-deficient-mice
#17
Natalya S Tesdahl, Danielle K King, Latisha N McDaniel, Andrew A Pieper
Ultrasonic vocalizations (USVs) in neonatal mice provide a means of modeling communication deficits in neurodevelopmental disorders. Mature mice deficient in SAP90/PSD95-associated protein 3 (SAPAP3) display compulsive grooming and anxiety-like behavior, conditions that are often associated with neurodevelopmental disorders. To date, however, aspects of neurodevelopment have not been investigated in SAPAP3-deficient mice. Here, we examined whether neonatal SAPAP3-deficient mice display altered USVs. We recorded USVs from 5-day-old sapap3 and sapap3 mice, and also monitored developmental reflexes in these mice during the early postnatal period...
December 6, 2017: Neuroreport
https://www.readbyqxmd.com/read/28971233/mapping-trait-like-socio-affective-phenotypes-in-rats-through-50-khz-ultrasonic-vocalizations
#18
K -Alexander Engelhardt, Rainer K W Schwarting, Markus Wöhr
RATIONALE: Fifty-kilohertz ultrasonic vocalizations (USV) in rats are believed to express inter-individual differences in trait-like positive affective phenotypes. Emission of 50-kHz USV can be induced by amphetamine (AMPH) to model mania-like positive affect, raising the possibility that predispositions for high 50-kHz USV production confer susceptibility to mania-like states. Such 50-kHz USV presumably express the sender's motivation for social contact and elicit social approach behavior in receivers...
October 3, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28964733/effects-of-maternal-or-paternal-bisphenol-a-exposure-on-offspring-behavior
#19
Erin P Harris, Heather A Allardice, A Katrin Schenk, Emilie F Rissman
Bisphenol A (BPA) is an endocrine disrupting chemical used in the production of polycarbonate plastics and resins. Exposure to BPA during gestation has been proposed as a risk factor for the development of neurobehavioral disorders, such as autism spectrum disorder. To address the behavioral impact of developmental exposure to BPA, we tested offspring of mice exposed to a daily low dose of BPA during pregnancy. We also asked if preconception exposure of the sire affected behaviors in offspring. Sires that consumed BPA for 50days prior to mating weighed less than controls, but no effects on any reproductive measures were noted...
October 4, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28934723/neural-mechanisms-underlying-the-disruption-of-male-courtship-behavior-by-adult-exposure-to-di-2-ethylhexyl-phthalate-in-mice
#20
Carlos Dombret, Daphné Capela, Kevin Poissenot, Caroline Parmentier, Emma Bergsten, Cédric Pionneau, Solenne Chardonnet, Hélène Hardin-Pouzet, Valérie Grange-Messent, Matthieu Keller, Isabelle Franceschini, Sakina Mhaouty-Kodja
BACKGROUND: Courtship behavior plays a critical role in attracting females and reproduction success. However, the effects of exposure to a ubiquitous contaminant di(2-ethylhexyl) phthalate (DEHP) on these behaviors and, in particular, on courtship vocalizations have not been examined. OBJECTIVE: The effects of adult exposure to DEHP on courtship and mating behaviors and gonadotropic axis and neural mechanisms involved in DEHP-induced effects were analyzed in male mice...
September 1, 2017: Environmental Health Perspectives
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