scholarly journals Differential neural activity patterns mediate learning across contexts in a social cichlid fish

2021 ◽  
Author(s):  
Mariana Rodriguez-Santiago ◽  
Alex L Jordan ◽  
Hans A Hofmann
Keyword(s):  
Social Context ◽  
Neural Activity ◽  
Discrimination Task ◽  
Basolateral Amygdala ◽  
Activity Patterns ◽  
Cichlid Fish ◽  
Brain Regions ◽  
Social Contexts ◽  
Early Gene ◽  
The Social

Learning and decision-making are greatly influenced by the social context surrounding individuals. When navigating a complex social world, individuals must quickly ascertain where to gain important resources and which group members are useful sources of such information. Such dynamic behavioral processes require neural mechanisms that are flexible across contexts. Here we examined how the social context influences the learning response during a visual cue discrimination task and the neural activity patterns that underlie acquisition of this novel information. Using the cichlid fish, Astatotilapia burtoni, we show that learning of the task is faster in social groups than in a non-social context. We quantified the expression of Fos, an immediate-early gene, across candidate brain regions known to play a role in social behavior and learning, such as the putative teleost homologues of the mammalian hippocampus, basolateral amygdala, and medial amygdala/BNST complex. We found that neural activity patterns differ between social and non-social contexts. Our results suggest that while the same brain regions may be involved in the learning of a discrimination task independent of social context, activity in each region encodes specific aspects of the task based on context.

scholarly journals Immediate early gene activation throughout the brain is associated with dynamic changes in social context

2018 ◽  
Author(s):  
Cait M. Williamson ◽  
Inbal S. Klein ◽  
Won Lee ◽  
James P. Curley
Keyword(s):  
Social Context ◽  
Dynamic Change ◽  
Gene Activation ◽  
Brain Regions ◽  
Early Gene ◽  
Alpha Male ◽  
The Social ◽  
Rapid Ascent ◽  
Behavior Network ◽  
The Brain

ABSTRACTSocial competence is dependent on successful processing of social context information. The social opportunity paradigm is a methodology in which dynamic shifts in social context are induced through removal of the alpha male in a dominance hierarchy, leading to rapid ascent in the hierarchy of the beta male and of other subordinate males in the social group. In the current study, we use the social opportunity paradigm to determine what brain regions respond to this dynamic change in social context, allowing an individual to recognize the absence of the alpha male and subsequently perform status-appropriate social behaviors. Replicating our previous work, we show that following removal of the alpha male, beta males rapidly ascend the social hierarchy and attain dominant status by increasing aggression towards more subordinate individuals. Analysis of patterns of Fos immunoreactivity throughout the brain indicates that in individuals undergoing social ascent, there is increased activity in regions of the social behavior network, as well as the infralimbic and prelimbic regions of the prefrontal cortex and areas of the hippocampus. Our findings demonstrate that male mice are able to respond to changes in social context and provide insight into the how the brain processes these complex behavioral changes.

scholarly journals Individual behavioural traits not social context affects learning about novel objects in archerfish

2021 ◽  
Vol 75 (3) ◽  
Author(s):  
Nick A. R. Jones ◽  
Helen C. Spence-Jones ◽  
Mike Webster ◽  
Luke Rendell
Keyword(s):  
Social Context ◽  
Social Environment ◽  
Social Contexts ◽  
Negative Effects ◽  
Behavioural Phenotype ◽  
Social Species ◽  
The Social ◽  
Social Animals ◽  
Novel Objects ◽  
The Individual

Abstract Learning can enable rapid behavioural responses to changing conditions but can depend on the social context and behavioural phenotype of the individual. Learning rates have been linked to consistent individual differences in behavioural traits, especially in situations which require engaging with novelty, but the social environment can also play an important role. The presence of others can modulate the effects of individual behavioural traits and afford access to social information that can reduce the need for ‘risky’ asocial learning. Most studies of social effects on learning are focused on more social species; however, such factors can be important even for less-social animals, including non-grouping or facultatively social species which may still derive benefit from social conditions. Using archerfish, Toxotes chatareus, which exhibit high levels of intra-specific competition and do not show a strong preference for grouping, we explored the effect of social contexts on learning. Individually housed fish were assayed in an ‘open-field’ test and then trained to criterion in a task where fish learnt to shoot a novel cue for a food reward—with a conspecific neighbour visible either during training, outside of training or never (full, partial or no visible presence). Time to learn to shoot the novel cue differed across individuals but not across social context. This suggests that social context does not have a strong effect on learning in this non-obligatory social species; instead, it further highlights the importance that inter-individual variation in behavioural traits can have on learning. Significance statement Some individuals learn faster than others. Many factors can affect an animal’s learning rate—for example, its behavioural phenotype may make it more or less likely to engage with novel objects. The social environment can play a big role too—affecting learning directly and modifying the effects of an individual’s traits. Effects of social context on learning mostly come from highly social species, but recent research has focused on less-social animals. Archerfish display high intra-specific competition, and our study suggests that social context has no strong effect on their learning to shoot novel objects for rewards. Our results may have some relevance for social enrichment and welfare of this increasingly studied species, suggesting there are no negative effects of short- to medium-term isolation of this species—at least with regards to behavioural performance and learning tasks.

A Qualitative Study on Friends and the Social Context of Sexual Victimization: Implications for Campus-Based Interventions

2020 ◽  
pp. 107780122095427
Author(s):  
Jessica A. Blayney ◽  
Tiffany Jenzer ◽  
Jennifer P. Read ◽  
Jennifer Livingston ◽  
Maria Testa ◽  
...  
Keyword(s):  
Social Context ◽  
Qualitative Study ◽  
Sexual Victimization ◽  
Social Contexts ◽  
Social Consequences ◽  
Potential Danger ◽  
The Social ◽  
Barriers To Implementation ◽  
College Drinkers

Sexual victimization (SV) risk can begin in social contexts, ones where friends are present, though it is unclear how friends might be integrated into SV prevention. Using focus groups, female college drinkers described (a) the role of friends in preventing SV, (b) the strategies friends use to reduce vulnerability, and (c) the barriers to implementation. Friends-based strategies (keeping tabs on one another, using signals to convey potential danger, interrupting escalating situations, taking responsibility for friends, relying on male friends) and barriers (intoxication, preoccupation, situation ambiguity, social consequences) were discussed. Interventions can draw on these strategies, but must address the critical barriers.

scholarly journals Prestimulus feedback connectivity biases the content of visual experiences

2019 ◽  
Vol 116 (32) ◽  
pp. 16056-16061 ◽  
Author(s):  
Elie Rassi ◽  
Andreas Wutz ◽  
Nadia Müller-Voggel ◽  
Nathan Weisz
Keyword(s):  
Neural Activity ◽  
Activity Patterns ◽  
Low Frequency ◽  
Brain Regions ◽  
Stimulus Onset ◽  
Neural Excitability ◽  
Gamma Frequency ◽  
Face Area ◽  
Oscillatory Power ◽  
The Impact

Ongoing fluctuations in neural excitability and in networkwide activity patterns before stimulus onset have been proposed to underlie variability in near-threshold stimulus detection paradigms—that is, whether or not an object is perceived. Here, we investigated the impact of prestimulus neural fluctuations on the content of perception—that is, whether one or another object is perceived. We recorded neural activity with magnetoencephalography (MEG) before and while participants briefly viewed an ambiguous image, the Rubin face/vase illusion, and required them to report their perceived interpretation in each trial. Using multivariate pattern analysis, we showed robust decoding of the perceptual report during the poststimulus period. Applying source localization to the classifier weights suggested early recruitment of primary visual cortex (V1) and ∼160-ms recruitment of the category-sensitive fusiform face area (FFA). These poststimulus effects were accompanied by stronger oscillatory power in the gamma frequency band for face vs. vase reports. In prestimulus intervals, we found no differences in oscillatory power between face vs. vase reports in V1 or in FFA, indicating similar levels of neural excitability. Despite this, we found stronger connectivity between V1 and FFA before face reports for low-frequency oscillations. Specifically, the strength of prestimulus feedback connectivity (i.e., Granger causality) from FFA to V1 predicted not only the category of the upcoming percept but also the strength of poststimulus neural activity associated with the percept. Our work shows that prestimulus network states can help shape future processing in category-sensitive brain regions and in this way bias the content of visual experiences.

Profiling “User Bases” of Online Social Contexts

2020 ◽  
pp. 113-126
Keyword(s):  
Social Media ◽  
Social Context ◽  
Social Norms ◽  
Teaching And Learning ◽  
Social Contexts ◽  
Current User ◽  
Social Spaces ◽  
The Social ◽  
Common Practices

One aspect of profiling to enhance teaching and learning involves the various contexts in which learners will engage, such as particular social media ecosystems and their attendant microcultures (the social norms and common practices in these spaces), particularly if learners will be engaging with individuals outside of the formal classroom. Understanding the larger online social context helps define the affordances and constraints of what can be effectively taught and learned. This involves profiling the current user base of the online social spaces where the learners will be engaging and interacting and co-creating knowledge.

scholarly journals Familiarity and Audience Effects on Giving: A Functional Magnetic Resonance Imaging Study

2020 ◽  
Vol 32 (8) ◽  
pp. 1577-1589
Author(s):  
Suzanne van de Groep ◽  
Kiki Zanolie ◽  
Eveline A. Crone
Keyword(s):  
Social Context ◽  
Contextual Information ◽  
Imaging Study ◽  
Neural Correlates ◽  
Brain Regions ◽  
Self And Other ◽  
Audience Effects ◽  
The Social ◽  
Fairness Concerns ◽  
The Right

Giving is often characterized by the conflicting decision to give up something of value to benefit others. Recent evidence indicated that giving is highly context-dependent. To unravel the neural correlates of social context, in this study, young adults ( n = 32) performed a novel giving fMRI paradigm, in which they divided coins between self and known (friends) or unknown (unfamiliar) others. A second manipulation included presence of others; giving decisions were made with an audience or anonymously. Results showed that participants gave more coins to a friend than to an unfamiliar other and generally gave more in the presence of an audience. On a neural level, medial prefrontal cortex and the right insula were most active for relatively generous decisions. These findings possibly reflect that aversion of norm deviation or fairness concerns drive differences in the frequency of giving. Next, activation in separate subregions of the TPJ-IPL (i.e., a region that comprises the TPJ and inferior parietal lobule) was found for target and audience contexts. Overall, our findings suggest that donation size and social contextual information are processed in separable brain regions and that TPJ-IPL plays an important role in balancing self- and other-oriented motives related to the social context.

scholarly journals Dialog Structure Through the Lens of Gender, Gender Environment, and Power

2017 ◽  
Vol 8 (2) ◽  
pp. 21-55
Author(s):  
Vinodkumar Prabhakaran ◽  
Owen Rambow
Keyword(s):  
Social Context ◽  
Human Behavior ◽  
Social Contexts ◽  
Social Scientists ◽  
Gender Information ◽  
The Social ◽  
Computer Scientists ◽  
Automatic Methods ◽  
And Gender ◽  
Textual Content

Understanding how the social context of an interaction affects our dialog behavior is of great interest to social scientists who study human behavior, as well as to computer scientists who build automatic methods to infer those social contexts. In this paper, we study the interaction of power, gender, and dialog behavior in organizational interactions. In order to perform this study, we first construct the Gender Identified Enron Corpus of emails, in which we semi-automatically assign the gender of around 23,000 individuals who authored around 97,000 email messages in the Enron corpus. This corpus, which is made freely available, is orders of magnitude larger than previously existing gender identified corpora in the email domain. Next, we use this corpus to perform a largescale data-oriented study of the interplay of gender and manifestations of power. We argue that, in addition to one’s own gender, the “gender environment” of an interaction, i.e., the gender makeup of one’s interlocutors, also affects the way power is manifested in dialog. We focus especially on manifestations of power in the dialog structure — both, in a shallow sense that disregards the textual content of messages (e.g., how often do the participants contribute, how often do they get replies etc.), as well as the structure that is expressed within the textual content (e.g., who issues requests and how are they made, whose requests get responses etc.). We find that both gender and gender environment affect the ways power is manifested in dialog, resulting in patterns that reveal the underlying factors. Finally, we show the utility of gender information in the problem of automatically predicting the direction of power between pairs of participants in email interactions.

scholarly journals Conversational Pragmatics: Memory Reporting Strategies in Different Social Contexts

2021 ◽  
Author(s):  
Beatriz Martín-Luengo ◽  
Karlos Luna ◽  
Yury Shtyrov
Keyword(s):  
Social Context ◽  
Social Contexts ◽  
General Knowledge ◽  
Incentive Structure ◽  
Amount Of Information ◽  
Incentive Structures ◽  
The Social ◽  
Underlying Processes ◽  
Different Levels

Conversational pragmatics studies, among others, factors that affect the information we share with others. Previous research showed that when participants are unsure about the correctness of an answer, they report fewer answers. This behavior strongly depends on the incentive structure of the social context where the question-response exchange takes place. In this research we studied how the different incentive structure of several types of social contexts affects conversational pragmatics and the amount of information we are willing to share. In addition, we also studied how different levels of knowledge may affect memory reporting in different social contexts. Participants answered easy, intermediate, and difficult general knowledge questions and decided whether they would report or withhold their selected answer in different social contexts: formal vs. informal, and constrained (a context that promotes providing only responses we are certain about) vs. loose (with an incentive structure that maximizes providing any type of answer). Overall, our results confirmed that social contexts are associated with a different incentive structure which affect memory reporting strategies, and that the effect of social contexts depended on the difficulty of the questions. Our results highlight the relevance of studying the different incentive structures of social contexts to understand the underlying processes of conversational pragmatics, and stress the importance of considering metamemory theories of memory reporting.

scholarly journals Single Image-Based Vignetting Correction for Improving the Consistency of Neural Activity Analysis in 2-Photon Functional Microscopy

2022 ◽  
Vol 15 ◽  
Author(s):  
Dong Li ◽  
Guangyu Wang ◽  
René Werner ◽  
Hong Xie ◽  
Ji-Song Guan ◽  
...  
Keyword(s):  
Neural Activity ◽  
Present Report ◽  
Activity Patterns ◽  
Quantitative Measure ◽  
Image Data ◽  
Early Gene ◽  
Single Image ◽  
Image Brightness ◽  
Image Intensity ◽  
Neuron Populations

High-resolution functional 2-photon microscopy of neural activity is a cornerstone technique in current neuroscience, enabling, for instance, the image-based analysis of relations of the organization of local neuron populations and their temporal neural activity patterns. Interpreting local image intensity as a direct quantitative measure of neural activity presumes, however, a consistent within- and across-image relationship between the image intensity and neural activity, which may be subject to interference by illumination artifacts. In particular, the so-called vignetting artifact—the decrease of image intensity toward the edges of an image—is, at the moment, widely neglected in the context of functional microscopy analyses of neural activity, but potentially introduces a substantial center-periphery bias of derived functional measures. In the present report, we propose a straightforward protocol for single image-based vignetting correction. Using immediate-early gene-based 2-photon microscopic neural image data of the mouse brain, we show the necessity of correcting both image brightness and contrast to improve within- and across-image intensity consistency and demonstrate the plausibility of the resulting functional data.

The Social Context

2017 ◽  
Author(s):  
Lasana T. Harris
Keyword(s):  
Social Cognition ◽  
Social Context ◽  
Social Behavior ◽  
Sudden Death ◽  
Thought Experiment ◽  
Modern Society ◽  
Social Contexts ◽  
Social Psychological ◽  
The Social

The seventh chapter argues for the importance of the social context in continuing to influence whether social cognition is engaged or not, and describes a version of the delayed sudden death virus outbreak thought experiment without the death and virus components, set in modern society. This chapter then reviews classical social psychological studies that illustrate the power of the social context in shaping social cognition and resulting behaviour. It describes different types of social contexts, and explores the role of consistency motives in guiding human behaviour. Finally, it makes an appeal for a spectrum metaphor for social behavior, rather than alternative metaphors that categorise the phenomenon too narrowly.

Sign in / Sign up

Export Citation Format

Share Document