Forskningsgrupper
Forskningsprosjekter
Aktive forskningsprosjekter
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    Subjektiv devaluering av utsette påskjønningar
    
            
Prosjektet ønskjer å avdekkja underliggjande mekanismar som kontrollerer val av påskjønningar ein får med ein gong framfor framtidige, større påskjønningar.
 
Avsluttede forskningsprosjekter
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    Pro-sosial åtferd hos rotter
    
            
Prosjektet studerte prososial og empatisk åtferd hos rotter ved å ha éi rotte fanga i eit plastrøyr og ei fri rotte som kunne frigjera den fanga rotta.
 
Publikasjoner og forskningsresultater
Vitenskapelige publikasjoner
                Sjøberg, Espen A.; Ottåsen, Hans Martin; Wilner, Raquel Gloria; 
    Johansen, Espen Borgå
                 (2023).
                 Previous experience with delays affects delay discounting in animal model of ADHD.
                
                
            
                
                
                                     Behavioral and Brain Functions.
            
                    
                 Vol. 19.
                        
    https://doi.org/10.1186/s12993-022-00199-z
        
                Blystad, Magnus Helgheim; Hansen, Patrick Asare; Andersen, Danielle; 
    Johansen, Espen Borgå
                 (2023).
                 The social release paradigm: investigations of restrainer aversion.
                
                
            
                
                
                                     Revista Mexicana de Analisis de la Conducta.
            
                    
                 Vol. 49.
                        
    https://doi.org/10.5514/rmac.v49.i1.86204
        
                Sjøberg, Espen A.; Ramos, Sergio; López-Tolsa, Gabriela; 
    Johansen, Espen Borgå
; Pellon, Ricardo
                 (2021).
                 The irrelevancy of the inter-trial interval in delay-discounting experiments on an animal model of ADHD.
                
                
            
                
                
                                     Behavioural Brain Research.
            
                    
                 Vol. 408.
                        
    https://doi.org/10.1016/j.bbr.2021.113236
        
                Blystad, Magnus Helgheim; Andersen, Danielle; 
    Johansen, Espen Borgå
                 (2019).
                 Female rats release a trapped cagemate following shaping of the door opening response: Opening latency when the restrainer was baited with food, was empty, or contained a cagemate.
                
                
            
                
                
                                     PLOS ONE.
            
                    
                 Vol. 14.
                        
    https://doi.org/10.1371/journal.pone.0223039
        
                Sjøberg, Espen A.; 
    Johansen, Espen Borgå
                 (2018).
                 Impulsivity or Sub-optimal Reward Maximization in Delay Discounting? A Critical Discussion.
                
                
            
                
                
                                     Human Ethology.
            
                    
                 Vol. 33.
                        
    https://doi.org/10.22330/heb/332/022-036
        
                Fasmer, Ole Bernt; 
    Johansen, Espen Borgå
                 (2016).
                 Patterns of motor activity in spontaneously hypertensive rats compared to Wistar Kyoto rats.
                
                
            
                
                
                                     Behavioral and Brain Functions.
            
                    
                 Vol. 12:32.
                        
    https://doi.org/10.1186/s12993-016-0117-9
        
                Dervola, Kine-Susann Noren; 
    Johansen, Espen Borgå
; Walaas, S. Ivar; Fonnum, Frode
                 (2015).
                 Gender-dependent and genotype-sensitive monoaminergic changes induced by polychlorinated biphenyl 153 in the rat brain.
                
                
            
                
                
                                     Neurotoxicology.
            
                    
                 Vol. 50.
                        
    https://doi.org/10.1016/j.neuro.2015.07.004
        
                
    Johansen, Espen Borgå
; Fonnum, Frode; Lausund, Per; Walaas, S. Ivar; Bærland, Nora Elise; Wøien, Grete; Sagvolden, Terje
                 (2014).
                 Behavioral changes following PCB 153 exposure in the Spontaneously Hypertensive rat - an animal model of Attention-Deficit/Hyperactivity disorder.
                
                
            
                
                
                                     Behavioral and Brain Functions.
            
                    
                
                        
    https://doi.org/10.1186/1744-9081-10-1
        
                Sagvolden, Terje; 
    Johansen, Espen Borgå
                 (2012).
                 Rat Models of ADHD.
                
                
            Stanford, Clare; Tannock, Rosemary (Red.).
                         Behavioral neuroscience of attention deficit hyperactivity disorder and its treatment.                 s. 301-316.    
                 Springer Science+Business Media B.V..
                                    
            
                    
                
                        
    https://doi.org/10.1007/7854_2011_126
        
                Dervola, Kine-Susann Noren; Roberg, Bjørg Åse; Wøien, Grete; Bogen, Inger Lise; Sandvik, Torbjørn; Sagvolden, Terje; Drevon, Christian A; 
    Johansen, Espen Borgå
; Walaas, S. Ivar
                 (2012).
                 Marine omega-3 polyunsaturated fatty acids induce sex-specific changes in reinforcer-controlled behavior and neurotransmitter metabolism in a spontaneously hypertensive rat model of ADHD.
                
                
            
                
                
                                     Behavioral and Brain Functions.
            
                    
                 Vol. 8.
                        
    https://doi.org/10.1186/1744-9081-8-56