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https://www.readbyqxmd.com/read/28544863/how-social-status-shapes-person-perception-and-evaluation-a-social-neuroscience-perspective
#1
Bradley D Mattan, Jennifer T Kubota, Jasmin Cloutier
Inferring the relative rank (i.e., status) of others is essential to navigating social hierarchies. A survey of the expanding social psychological and neuroscience literatures on status reveals a diversity of focuses (e.g., perceiver vs. agent), operationalizations (e.g., status as dominance vs. wealth), and methodologies (e.g., behavioral, neuroscientific). Accommodating this burgeoning literature on status in person perception, the present review offers a novel social neuroscientific framework that integrates existing work with theoretical clarity...
May 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28542710/behavioral-inferences-from-the-high-levels-of-dental-chipping-in-homo-naledi
#2
Ian Towle, Joel D Irish, Isabelle De Groote
OBJECTIVES: A variety of mechanical processes can result in antemortem dental chipping. In this study, chipping data in the teeth of Homo naledi are compared with those of other pertinent dental samples to give insight into their etiology. MATERIALS AND METHODS: Permanent teeth with complete crowns evidencing occlusal wear were examined macroscopically. The location, number, and severity of fractures were recorded and compared to those found in samples of two other South African fossil hominin species and in samples of nonhuman primates (n = 3) and recent humans (n = 7)...
May 24, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28541056/visible-spatial-contiguity-of-social-information-and-reward-affects-social-learning-in-brown-capuchins-sapajus-apella-and-children-homo-sapiens
#3
Lara A Wood, Andrew Whiten
Animal social learning is typically studied experimentally by the presentation of artificial foraging tasks. Although productive, results are often variable even for the same species. We present and test the hypothesis that one cause of variation is that spatial distance between rewards and the means of reward release causes conflicts for participants' attentional focus. We investigated whether spatial contiguity between a visible reward and the means of release would affect behavioral responses that evidence social learning, testing 21 brown capuchins (Sapajus apella), a much-studied species with variant evidence for social learning, and one hundred eighty 2- to 4-year-old human children (Homo sapiens), a benchmark species known for a strong social learning disposition...
May 25, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28539584/hunger-enhances-consistent-economic-choices-in-non-human-primates
#4
Hiroshi Yamada
Hunger and thirst are fundamental biological processes that drive consumption behavior in humans and non-human animals. While the existing literature in neuroscience suggests that these satiety states change how consumable rewards are represented in the brain, it remains unclear as to how they change animal choice behavior and the underlying economic preferences. Here, I used combined techniques from experimental economics, psychology, and neuroscience to measure food preferences of marmoset monkeys (Callithrix jacchus), a recently developed primate model for neuroscience...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28536272/social-laughter-triggers-endogenous-opioid-release-in-humans
#5
Sandra Manninen, Lauri Tuominen, Robin Dunbar, Tomi Karjalainen, Jussi Hirvonen, Eveliina Arponen, Riitta Hari, Iiro P Jääskeläinen, Mikko Sams, Lauri Nummenmaa
The size of human social networks significantly exceeds the network that can be maintained by social grooming or touching in other primates. It has been proposed that endogenous opioid release following social laughter would provide a neurochemical pathway supporting long-term relationships in humans (Dunbar, 2012) yet this hypothesis currently lacks direct neurophysiological support. We used positron emission tomography (PET) and μ-opioid-receptor (MOR) specific ligand [11C]carfentanil to quantify laughter-induced endogenous opioid release in 12 healthy males...
May 23, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28531265/utility-of-nonhuman-primates-in-substance-use-disorders-research
#6
Matthew L Banks, Paul W Czoty, Sidney S Negus
Substance use disorders (i.e., drug addiction) constitute a global and insidious public health issue. Preclinical biomedical research has been invaluable in elucidating the environmental, biological, and pharmacological determinants of drug abuse and in the process of developing innovative pharmacological and behavioral treatment strategies. For more than 70 years, nonhuman primates have been utilized as research subjects in biomedical research related to drug addiction. There are already several excellent published reviews highlighting species differences in both pharmacodynamics and pharmacokinetics between rodents and nonhuman primates in preclinical substance abuse research...
May 20, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28528492/sagittal-plane-kinematics-of-the-jaw-and-hyolingual-apparatus-during-swallowing-in-macaca-mulatta
#7
Yuki Nakamura, Jose Iriarte-Diaz, Fritzie Arce-McShane, Courtney P Orsbon, Kevin A Brown, McKenna Eastment, Limor Avivi-Arber, Barry J Sessle, Makoto Inoue, Nicholas G Hatsopoulos, Callum F Ross, Kazutaka Takahashi
Studies of mechanisms of feeding behavior are important in a society where aging- and disease-related feeding disorders are increasingly prevalent. It is important to evaluate the clinical relevance of animal models of the disease and the control. Our present study quantifies macaque hyolingual and jaw kinematics around swallowing cycles to determine the extent to which macaque swallowing resembles that of humans. One female and one male adult Macaca mulatta were trained to feed in a primate chair. Videofluoroscopy was used to record kinematics in a sagittal view during natural feeding on solid food, and the kinematics of the hyoid bone, thyroid cartilage, mandibular jaw, and anterior-, middle-, and posterior-tongue...
May 20, 2017: Dysphagia
https://www.readbyqxmd.com/read/28525759/modeling-rett-syndrome-using-talen-edited-mecp2-mutant-cynomolgus-monkeys
#8
Yongchang Chen, Juehua Yu, Yuyu Niu, Dongdong Qin, Hailiang Liu, Gang Li, Yingzhou Hu, Jiaojian Wang, Yi Lu, Yu Kang, Yong Jiang, Kunhua Wu, Siguang Li, Jingkuan Wei, Jing He, Junbang Wang, Xiaojing Liu, Yuping Luo, Chenyang Si, Raoxian Bai, Kunshan Zhang, Jie Liu, Shaoyong Huang, Zhenzhen Chen, Shuang Wang, Xiaoying Chen, Xinhua Bao, Qingping Zhang, Fuxing Li, Rui Geng, Aibin Liang, Dinggang Shen, Tianzi Jiang, Xintian Hu, Yuanye Ma, Weizhi Ji, Yi Eve Sun
Gene-editing technologies have made it feasible to create nonhuman primate models for human genetic disorders. Here, we report detailed genotypes and phenotypes of TALEN-edited MECP2 mutant cynomolgus monkeys serving as a model for a neurodevelopmental disorder, Rett syndrome (RTT), which is caused by loss-of-function mutations in the human MECP2 gene. Male mutant monkeys were embryonic lethal, reiterating that RTT is a disease of females. Through a battery of behavioral analyses, including primate-unique eye-tracking tests, in combination with brain imaging via MRI, we found a series of physiological, behavioral, and structural abnormalities resembling clinical manifestations of RTT...
May 18, 2017: Cell
https://www.readbyqxmd.com/read/28521141/indirect-pathway-of-caudal-basal-ganglia-for-rejection-of-valueless-visual-objects
#9
Hyoung F Kim, Hidetoshi Amita, Okihide Hikosaka
The striatum controls behavior in two ways: facilitation and suppression through the direct and indirect pathways, respectively. However, it is still unclear what information is processed in these pathways. To address this question, we studied two pathways originating from the primate caudate tail (CDt). We found that the CDt innervated the caudal-dorsal-lateral part of the substantia nigra pars reticulata (cdlSNr), directly or indirectly through the caudal-ventral part of the globus pallidus externus (cvGPe)...
May 17, 2017: Neuron
https://www.readbyqxmd.com/read/28516338/intergroup-variation-in-robbing-and-bartering-by-long-tailed-macaques-at-uluwatu-temple-bali-indonesia
#10
Fany Brotcorne, Gwennan Giraud, Noëlle Gunst, Agustín Fuentes, I Nengah Wandia, Roseline C Beudels-Jamar, Pascal Poncin, Marie-Claude Huynen, Jean-Baptiste Leca
Robbing and bartering (RB) is a behavioral practice anecdotally reported in free-ranging commensal macaques. It usually occurs in two steps: after taking inedible objects (e.g., glasses) from humans, the macaques appear to use them as tokens, returning them to humans in exchange for food. While extensively studied in captivity, our research is the first to investigate the object/food exchange between humans and primates in a natural setting. During a 4-month study in 2010, we used both focal and event sampling to record 201 RB events in a population of long-tailed macaques (Macaca fascicularis), including four neighboring groups ranging freely around Uluwatu Temple, Bali (Indonesia)...
May 17, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28500509/observations-of-termitarium-geophagy-by-rylands-bald-faced-saki-monkeys-pithecia-rylandsi-in-madre-de-dios-peru
#11
Dara B Adams, Jennifer A Rehg, Mrinalini Watsa
Geophagy, or soil consumption, has been documented in diverse animal taxa, including many primates. Physiological functions such as mineral supplementation, detoxification of secondary compounds, and antacid properties are possible causes for this behavior. We report on observations of geophagy at arboreal termitaria by free-ranging Pithecia rylandsi at La Estación Biológica Los Amigos (EBLA) in Perú between 2008 and 2015. Characteristics of geophagy events, including saki monkey behavior at the termitaria, were recorded and geochemical analyses were conducted on consumed termitaria, nearby topsoils, and unvisited termitaria...
May 12, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28495386/development-of-molecular-tools-based-on-the-dopamine-d3-receptor-ligand-fauc-329-showing-inhibiting-effects-on-drug-and-food-maintained-behavior
#12
Anne Stößel, Regine Brox, Nirupam Purkayastha, Harald Hübner, Carsten Hocke, Olaf Prante, Peter Gmeiner
Dopamine D3 receptor-mediated networks have been associated with a wide range of neuropsychiatric diseases, drug addiction and food maintained behavior, which makes D3 a highly promising biological target. The previously described dopamine D3 receptor ligand FAUC 329 (1) showed protective effects against dopamine depletion in a MPTP mouse model of Parkinson's disease. We used the radioligand [(18)F]2, a [(18)F]fluoroethoxy substituted analog of the lead compound 1 as a molecular tool for visualization of D3-rich brain regions including the islands of Calleja...
April 29, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28488186/functional-organization-of-the-medial-temporal-lobe-memory-system-following-neonatal-hippocampal-lesion-in-rhesus-monkeys
#13
Loïc J Chareyron, Pamela Banta Lavenex, David G Amaral, Pierre Lavenex
Hippocampal damage in adult humans impairs episodic and semantic memory, whereas hippocampal damage early in life impairs episodic memory but leaves semantic learning relatively preserved. We have previously shown a similar behavioral dissociation in nonhuman primates. Hippocampal lesion in adult monkeys prevents allocentric spatial relational learning, whereas spatial learning persists following neonatal lesion. Here, we quantified the number of cells expressing the immediate-early gene c-fos, a marker of neuronal activity, to characterize the functional organization of the medial temporal lobe memory system following neonatal hippocampal lesion...
May 9, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28488135/obat-an-open-source-and-low-cost-operant-box-for-auditory-discriminative-tasks
#14
Mauricio Watanabe Ribeiro, José Firmino Rodrigues Neto, Edgard Morya, Fabrício Lima Brasil, Mariana Ferreira Pereira de Araújo
Operant-conditioning boxes are widely used in animal training, allowing researchers to shape specific behaviors through reinforcements and/or punishments. Commercially available devices are expensive and run with proprietary software and hardware, hampering adaptations for the specific needs of an experiment. Therefore, many low-cost and open-source devices have recently been developed, but there are still few options for studying auditory behaviors. To overcome this problem, we developed a device based on a computer and an Arduino Mega 2560 board, named OBAT (Operant Box for Auditory Tasks), designed to present two different auditory stimuli to small primates...
May 9, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28487016/the-expression-level-of-c19mc-mirnas-in-early-pregnancy-and-in-response-to-viral-infection
#15
Tina M F Dumont, Jean-Francois Mouillet, Avaraham Bayer, Christina L Gardner, William B Klimstra, Dana G Wolf, Simcha Yagel, Fabiola Balmir, Anna Binstock, Joseph S Sanfilippo, Carolyn B Coyne, Jacob C Larkin, Yoel Sadovsky
INTRODUCTION: We have previously shown that miRNAs produced from the Chromosome 19 MiRNA Cluster (C19MC), which are expressed almost exclusively in primate trophoblasts and are released into the maternal circulation, reduce viral replication in non-placental cells and can modulate migratory behavior of extravillous trophoblast. We sought to define the expression pattern of C19MC miRNA in early pregnancy and in response to viral infection in vitro and in vivo. METHODS: We prospectively followed women undergoing in vitro fertilization (IVF) and determined their blood level of C19MC miRNA using RT-qPCR...
May 2017: Placenta
https://www.readbyqxmd.com/read/28484857/muscle-architectural-properties-in-the-common-marmoset-callithrix-jacchus
#16
Naomichi Ogihara, Motoharu Oishi, Ryogo Kanai, Hikaru Shimada, Takahiro Kondo, Kimika Yoshino-Saito, Junichi Ushiba, Hideyuki Okano
The common marmoset, Callithrix jacchus, is a small New World monkey that has recently gained attention as an important experimental animal model in the field of neuroscience as well in rehabilitative and regenerative medicine. This attention reflects the closer phylogenetic relationship between humans and common marmosets compared to that between humans and other experimental animals. When studying the neuronal mechanism behind various types of neurological motor disorders using the common marmoset, possible differences in muscle parameters (e...
May 8, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28483638/linking-adhd-to-the-neural-circuitry-of-attention
#17
REVIEW
Adrienne Mueller, David S Hong, Steven Shepard, Tirin Moore
Attention deficit hyperactivity disorder (ADHD) is a complex condition with a heterogeneous presentation. Current diagnosis is primarily based on subjective experience and observer reports of behavioral symptoms - an approach that has significant limitations. Many studies show that individuals with ADHD exhibit poorer performance on cognitive tasks than neurotypical controls, and at least seven main functional domains appear to be implicated in ADHD. We discuss the underlying neural mechanisms of cognitive functions associated with ADHD, with emphasis on the neural basis of selective attention, demonstrating the feasibility of basic research approaches for further understanding cognitive behavioral processes as they relate to human psychopathology...
June 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28483344/the-exceptional-vulnerability-of-humans-to-alzheimer-s-disease
#18
REVIEW
Lary C Walker, Mathias Jucker
Like many humans, non-human primates deposit copious misfolded Aβ protein in the brain as they age. Nevertheless, the complete behavioral and pathologic phenotype of Alzheimer's disease, including Aβ plaques, neurofibrillary (tau) tangles, and dementia, has not yet been identified in a non-human species. Recent research suggests that the crucial link between Aβ aggregation and tauopathy is somehow disengaged in aged monkeys. Understanding why Alzheimer's disease fails to develop in species that are biologically proximal to humans could disclose new therapeutic targets in the chain of events leading to neurodegeneration and dementia...
May 5, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28473258/representational-specializations-of-the-hippocampus-in-phylogenetic-perspective
#19
REVIEW
Elisabeth A Murray, Steven P Wise, Kim S Graham
In a major evolutionary transition that occurred more than 520 million years ago, the earliest vertebrates adapted to a life of mobile, predatory foraging guided by distance receptors concentrated on their heads. Vision and olfaction served as the principal sensory systems for guiding their search for nutrients and safe haven. Among their neural innovations, these animals had a telencephalon that included a homologue of the hippocampus. Experiments on goldfish, turtles, lizards, rodents, macaque monkeys and humans have provided insight into the initial adaptive advantages provided by the hippocampus homologue...
May 1, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28472500/naturally-occurring-nonhuman-primate-models-of-psychosocial-processes
#20
John P Capitanio
Human research into psychological processes such as anxiety, depression, or loneliness typically involves accruing cases in which the phenomenon of interest is naturally occurring, and then comparing such a sample with control cases. In contrast, animal research designed to model similar processes to test mechanistic hypotheses typically involves inducing the phenomenon of interest via some exogenously (i.e., human) administered procedure. In the present review, the author proposes that naturally occurring animal models can complement induced models in understanding complex psychological phenomena...
May 2, 2017: ILAR Journal
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