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  1. Article ; Online: Ewelina Knapska.

    Knapska, Ewelina

    Current biology : CB

    2021  Volume 31, Issue 16, Page(s) R976–R977

    Abstract: Interview with Ewelina Knapska, who studies the neurobiological basis of emotions at the Nencki ...

    Abstract Interview with Ewelina Knapska, who studies the neurobiological basis of emotions at the Nencki Institute of Experimental Biology.
    MeSH term(s) Academies and Institutes ; Emotions
    Language English
    Publishing date 2021-08-24
    Publishing country England
    Document type Interview
    ZDB-ID 1071731-6
    ISSN 1879-0445 ; 0960-9822
    ISSN (online) 1879-0445
    ISSN 0960-9822
    DOI 10.1016/j.cub.2021.07.034
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3208: Show issues Location:
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  2. Article ; Online: Cheerful tails: Delving into positive emotional contagion.

    Brosnan, Adam / Knapska, Ewelina

    Neuroscience and biobehavioral reviews

    2024  Volume 161, Page(s) 105674

    Abstract: This review delves into the phenomenon of positive emotional contagion (PEC) in rodents, an area that remains relatively understudied compared to the well-explored realm of negative emotions such as fear or pain. Rodents exhibit clear preferences for ... ...

    Abstract This review delves into the phenomenon of positive emotional contagion (PEC) in rodents, an area that remains relatively understudied compared to the well-explored realm of negative emotions such as fear or pain. Rodents exhibit clear preferences for individuals expressing positive emotions over neutral counterparts, underscoring the importance of detecting and responding to positive emotional signals from others. We thoroughly examine the adaptive function of PEC, highlighting its pivotal role in social learning and environmental adaptation. The developmental aspect of the ability to interpret positive emotions is explored, intricately linked to maternal care and social interactions, with oxytocin playing a central role in these processes. We discuss the potential involvement of the reward system and draw attention to persisting gaps in our understanding of the neural mechanisms governing PEC. Presenting a comprehensive overview of the existing literature, we focus on food-related protocols such as the Social Transmission of Food Preferences paradigm and tickling behaviour. Our review emphasizes the pressing need for further research to address lingering questions and advance our comprehension of positive emotional contagion.
    Language English
    Publishing date 2024-04-11
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 282464-4
    ISSN 1873-7528 ; 0149-7634
    ISSN (online) 1873-7528
    ISSN 0149-7634
    DOI 10.1016/j.neubiorev.2024.105674
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  3. Article ; Online: Withdrawal: Matrix metalloproteinase (MMP) 9 transcription in mouse brain induced by fear learning.

    Ganguly, Krishnendu / Rejmak, Emilia / Mikosz, Marta / Nikolaev, Evgeni / Knapska, Ewelina / Kaczmarek, Leszek

    The Journal of biological chemistry

    2024  Volume 300, Issue 1, Page(s) 105592

    Language English
    Publishing date 2024-01-05
    Publishing country United States
    Document type Journal Article ; Retraction of Publication
    ZDB-ID 2997-x
    ISSN 1083-351X ; 0021-9258
    ISSN (online) 1083-351X
    ISSN 0021-9258
    DOI 10.1016/j.jbc.2023.105592
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  4. Article ; Online: Blueprints for measuring natural behavior.

    Puścian, Alicja / Knapska, Ewelina

    iScience

    2022  Volume 25, Issue 7, Page(s) 104635

    Abstract: Until recently laboratory tasks for studying behavior were highly artificial, simplified, and designed without consideration for the environmental or social context. Although such an approach offers good control over behavior, it does not allow for ... ...

    Abstract Until recently laboratory tasks for studying behavior were highly artificial, simplified, and designed without consideration for the environmental or social context. Although such an approach offers good control over behavior, it does not allow for researching either voluntary responses or individual differences. Importantly for neuroscience studies, the activity of the neural circuits involved in producing unnatural, artificial behavior is variable and hard to predict. In addition, different ensembles may be activated depending on the strategy the animal adopts to deal with the spurious problem. Thus, artificial and simplified tasks based on responses, which do not occur spontaneously entail problems with modeling behavioral impairments and underlying brain deficits. To develop valid models of human disorders we need to test spontaneous behaviors consistently engaging well-defined, evolutionarily conserved neuronal circuits. Such research focuses on behavioral patterns relevant for surviving and thriving under varying environmental conditions, which also enable high reproducibility across different testing settings.
    Language English
    Publishing date 2022-06-18
    Publishing country United States
    Document type Journal Article ; Review
    ISSN 2589-0042
    ISSN (online) 2589-0042
    DOI 10.1016/j.isci.2022.104635
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  5. Article ; Online: Blueprints for measuring natural behavior

    Alicja Puścian / Ewelina Knapska

    iScience, Vol 25, Iss 7, Pp 104635- (2022)

    2022  

    Abstract: Summary: Until recently laboratory tasks for studying behavior were highly artificial, simplified, and designed without consideration for the environmental or social context. Although such an approach offers good control over behavior, it does not allow ... ...

    Abstract Summary: Until recently laboratory tasks for studying behavior were highly artificial, simplified, and designed without consideration for the environmental or social context. Although such an approach offers good control over behavior, it does not allow for researching either voluntary responses or individual differences. Importantly for neuroscience studies, the activity of the neural circuits involved in producing unnatural, artificial behavior is variable and hard to predict. In addition, different ensembles may be activated depending on the strategy the animal adopts to deal with the spurious problem. Thus, artificial and simplified tasks based on responses, which do not occur spontaneously entail problems with modeling behavioral impairments and underlying brain deficits. To develop valid models of human disorders we need to test spontaneous behaviors consistently engaging well-defined, evolutionarily conserved neuronal circuits. Such research focuses on behavioral patterns relevant for surviving and thriving under varying environmental conditions, which also enable high reproducibility across different testing settings.
    Keywords Biological sciences ; Neuroscience ; Behavioral neuroscience ; Science ; Q
    Subject code 150
    Language English
    Publishing date 2022-07-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Emotional contagion and prosocial behavior in rodents.

    Keysers, Christian / Knapska, Ewelina / Moita, Marta A / Gazzola, Valeria

    Trends in cognitive sciences

    2022  Volume 26, Issue 8, Page(s) 688–706

    Abstract: Empathy is critical to adjusting our behavior to the state of others. The past decade dramatically deepened our understanding of the biological origin of this capacity. We now understand that rodents robustly show emotional contagion for the distress of ... ...

    Abstract Empathy is critical to adjusting our behavior to the state of others. The past decade dramatically deepened our understanding of the biological origin of this capacity. We now understand that rodents robustly show emotional contagion for the distress of others via neural structures homologous to those involved in human empathy. Their propensity to approach others in distress strengthens this effect. Although rodents can also learn to favor behaviors that benefit others via structures overlapping with those of emotional contagion, they do so less reliably and more selectively. Together, this suggests evolution selected mechanisms for emotional contagion to prepare animals for dangers by using others as sentinels. Such shared emotions additionally can, under certain circumstances, promote prosocial behavior.
    MeSH term(s) Altruism ; Animals ; Emotions ; Empathy ; Humans ; Rodentia ; Social Behavior
    Language English
    Publishing date 2022-06-03
    Publishing country England
    Document type Journal Article ; Review ; Research Support, Non-U.S. Gov't
    ZDB-ID 2010989-1
    ISSN 1879-307X ; 1364-6613
    ISSN (online) 1879-307X
    ISSN 1364-6613
    DOI 10.1016/j.tics.2022.05.005
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  7. Article ; Online: Epileptiform GluN2B-driven excitation in hippocampus as a therapeutic target against temporal lobe epilepsy.

    Gorlewicz, Adam / Pijet, Barbara / Orlova, Kristina / Kaczmarek, Leszek / Knapska, Ewelina

    Experimental neurology

    2022  Volume 354, Page(s) 114087

    Abstract: GluN2B is an NMDAR subunit that displays restricted expression in the mature hippocampus - a structure playing a major role in temporal lobe epilepsy. However, the contribution of GluN2B to the pathophysiology of the condition has not been fully explored. ...

    Abstract GluN2B is an NMDAR subunit that displays restricted expression in the mature hippocampus - a structure playing a major role in temporal lobe epilepsy. However, the contribution of GluN2B to the pathophysiology of the condition has not been fully explored. Here we combined status epilepticus models of temporal lobe epilepsy, protein expression studies, and patch-clamp experiments to demonstrate the profound change in the nature of glutamatergic transmission mediated in the epileptiform hippocampus by a subpopulation of GluN2B-containing NMDAR receptors. Satisfactory control of chronic seizures in temporal lobe epilepsy is still impossible for about 40% of patients. Therefore, new therapeutic approaches against the condition are desired. Using video-EEG recordings in animals and ex vivo extracellular recordings in brain sections, we present here the potential of ifenprodil (GluN2B selective NMDAR antagonist) for altering the course of epileptogenesis and ictogenesis in temporal lobe epilepsy. In sum, we identify GluN2B as one of the factors in the pathogenesis of recurrent seizures and provide a rationale for clinical studies on ifenprodil as a new candidate therapeutic against temporal lobe epilepsy.
    MeSH term(s) Animals ; Brain/pathology ; Disease Models, Animal ; Epilepsy, Temporal Lobe/metabolism ; Hippocampus/pathology ; Humans ; Seizures ; Status Epilepticus/metabolism
    Language English
    Publishing date 2022-04-22
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 207148-4
    ISSN 1090-2430 ; 0014-4886
    ISSN (online) 1090-2430
    ISSN 0014-4886
    DOI 10.1016/j.expneurol.2022.114087
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    Zs.A 184: Show issues Location:
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  8. Article ; Online: Optogenetic and chemogenetic approaches reveal differences in neuronal circuits that mediate initiation and maintenance of social interaction.

    Rojek-Sito, Karolina / Meyza, Ksenia / Ziegart-Sadowska, Karolina / Nazaruk, Kinga / Puścian, Alicja / Hamed, Adam / Kiełbiński, Michał / Solecki, Wojciech / Knapska, Ewelina

    PLoS biology

    2023  Volume 21, Issue 11, Page(s) e3002343

    Abstract: For social interaction to be successful, two conditions must be met: the motivation to initiate it and the ability to maintain it. This study uses both optogenetic and chemogenetic approaches to reveal the specific neural pathways that selectively ... ...

    Abstract For social interaction to be successful, two conditions must be met: the motivation to initiate it and the ability to maintain it. This study uses both optogenetic and chemogenetic approaches to reveal the specific neural pathways that selectively influence those two social interaction components.
    MeSH term(s) Optogenetics ; Social Interaction ; Cognition ; Motivation ; Neurons/physiology ; Neural Pathways/physiology
    Language English
    Publishing date 2023-11-29
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2126776-5
    ISSN 1545-7885 ; 1544-9173
    ISSN (online) 1545-7885
    ISSN 1544-9173
    DOI 10.1371/journal.pbio.3002343
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    Zs.A 6193: Show issues Location:
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  9. Article ; Online: What can rodents teach us about empathy?

    Meyza, Ksenia / Knapska, Ewelina

    Current opinion in psychology

    2018  Volume 24, Page(s) 15–20

    Abstract: While many consider empathy an exclusively human trait, non-human animals are capable of simple forms of empathy, such as emotional contagion, as well as consolation and helping behavior. Rodent models are particularly useful for describing the neuronal ... ...

    Abstract While many consider empathy an exclusively human trait, non-human animals are capable of simple forms of empathy, such as emotional contagion, as well as consolation and helping behavior. Rodent models are particularly useful for describing the neuronal background of these phenomena. They offer the possibility of employing single-cell resolution mapping of the neuronal activity as well as novel techniques for manipulation of in vivo activity, which are currently unavailable in human studies. Here, we review recent developments in the field of rodent empathy research with special emphasis on behavioral paradigms and data on neuronal correlates of emotional contagion. We hope that the use of rodent models will enhance our understanding of social deficits in neuropsychiatric disorders characterized with empathy impairments and the evolutionary continuity of the empathic trait.
    MeSH term(s) Animals ; Behavior, Animal ; Empathy ; Humans ; Rodentia ; Social Behavior
    Language English
    Publishing date 2018-03-13
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 2831565-0
    ISSN 2352-2518 ; 2352-250X ; 2352-250X
    ISSN (online) 2352-2518 ; 2352-250X
    ISSN 2352-250X
    DOI 10.1016/j.copsyc.2018.03.002
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  10. Article ; Online: The neural and computational systems of social learning.

    Olsson, Andreas / Knapska, Ewelina / Lindström, Björn

    Nature reviews. Neuroscience

    2020  Volume 21, Issue 4, Page(s) 197–212

    Abstract: Learning the value of stimuli and actions from others - social learning - adaptively contributes to individual survival and plays a key role in cultural evolution. We review research across species targeting the neural and computational systems of social ...

    Abstract Learning the value of stimuli and actions from others - social learning - adaptively contributes to individual survival and plays a key role in cultural evolution. We review research across species targeting the neural and computational systems of social learning in both the aversive and appetitive domains. Social learning generally follows the same principles as self-experienced value-based learning, including computations of prediction errors and is implemented in brain circuits activated across task domains together with regions processing social information. We integrate neural and computational perspectives of social learning with an understanding of behaviour of varying complexity, from basic threat avoidance to complex social learning strategies and cultural phenomena.
    MeSH term(s) Animals ; Brain/physiology ; Conditioning, Classical ; Humans ; Models, Neurological ; Reinforcement, Psychology ; Social Behavior ; Social Learning/physiology
    Language English
    Publishing date 2020-03-12
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 2034150-7
    ISSN 1471-0048 ; 1471-0048 ; 1471-003X
    ISSN (online) 1471-0048
    ISSN 1471-0048 ; 1471-003X
    DOI 10.1038/s41583-020-0276-4
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