Freund N, Jordan CJ, Lukkes JL, Norman KJ, Andersen SL
Juvenile exposure to methylphenidate and guanfacine in rats: effects on early delay discounting and later cocaine-taking behavior.
Psychopharmacology (Berl). 2018 Nov

Mundorf A.*, Schmitz J.*, Güntürkün O., Freund N.⁠⁠*, Ocklenburg S.*
Methylation of MORC1: A possible biomarker for depression?
J Psychiatr Res. 2018 Aug;103:208-211
*joint first/last author


Beyer DKE & Freund N
Animal models for bipolar disorder: from bedside to the cage.
International Journal of Bipolar Disorders 2017 Oct 13;5(1):35

Lukkes JL, Meda S, Thompson BS, Freund N, Andersen SL
Early life stress and later peer distress on depressive behavior in adolescent female rats: Effects of a novel intervention on GABA and D2 receptors.
Behav Brain Res. 2017 14;330:37-45. 


Lukkes JL, Sonntag KC, Freund N , Thompson BS, Meda S, Andersen, SL
Preventative treatment in an animal model of ADHD: Behavioral and biochemical effects of methylphenidate and its interactions with ovarian hormones in female rats.
European Neuropsychopharmacology, 2016; 26(9): 1496-1506

Freund N, Thompson BS, Sonntag K, Medea S, Andersen SL
When the party is over: depressive-like states following termination of cortical D1 receptor overexpression.
Psychopharmacology 2016; 233(7):1191-1201

Lukkes JL, Thompson BS, Freund N, Andersen SL
The developmental inter-relationships between activity, novelty preferences, and delay disounting in male and female rats.
Dev Psychobiol. 2016; 58(2): 231-242

Freund N*, Valencia-Alfonso CE*, Kirsch J, Brodmann K, Manns M, Güntürkün O
Asymmetric top-down modulation of ascending visual pathways in pigeons.
Neuropsychologia 2016; 38:37-47


Freund N, Thompson BS, Norman KJ, Einhorn P, Andersen SL
Developmental emergence of an obsessive-compulsive phenotype and binge behavior in rats.
Psychopharmacology 2015; 232 (17), 3173-3181


Freund, N, MacGillivray HT, Thompson BS, Lukkes JL, Stanis JJ, Brenhousen HC,
Andersen SL
Sex-dependent changes in ADHD-like behaviors in juvenile rats following cortical dopamine depletion.
Behavioural brain research 2014; 270, 357-363

Puig MV, Rose J, Schmidt R, Freund N
Dopamine modulation of learning and memory in the prefrontal cortex: insights from studies in primates, rodents, and birds.
Front Neural Circuits 2014; 8:93

Sonntag KC, Brenhouse HC, Freund N, Thompson BS, Puhl M, Andersen SL
Viral over-expression of D1 dopamine receptors in the prefrontal cortex increase high-risk behaviors in adults: comparison with adolescents.
Psychopharmacology 2014; 231(8):1615-26.


N Freund, BS Thompson, J Denormandie, K Vaccarro, SL Andersen
Windows of vulnerability: maternal separation, age, and fluoxetine on adolescent depressive-like behavior in rats
Neuroscience 2013; 249, 88-97

Ströckens F*, Freund N*, Manns M, Ocklenburg S, Güntürkün O
Visual asymmetries and the ascending thalamofugal pathway in pigeons.
Brain Struct Funct. 2013; 218:1197-1209


Leussis MP, Freund N, Brenhouse HC, Thompson BS, Andersen
Depressive-like behavior in adolescent rats after maternal separation: Sex differences and controllability.
Dev Neurosci. 2012; 34(2-3):210-217

Hirnstein M, Freund N, Hausmann M
Sex differences in gender stereotype threat? Stereotype threat paradoxically enhances verbal fluency performance in men.
Z Psychol. 2012; 220: 70-77


Freund N, Manns M, Rose J
A method for the evaluation of intracranial tetrodotoxin injections.
J Neurosci Methods. 2010; 186:25-28


Manns M, Freund N, Güntürkün O
Breaking the balance: Ocular BDNF-Injections Induce Visual Asymmetry in Pigeons.
Dev Neurobiol. 2008, 68: 1123-1134

Manns M, Freund N, Güntürkün O
Development of the Diencephalic Relay Structures of the Thalamofugal System in Pigeons.
Brain Res Bull. 2008, 75: 424-427


Manns M, Freund N, Patzke N, Güntürkün O
Organization of telencephalotectal projections in pigeons: Impact for lateralized top-down control.
Neuroscience. 2007 ; 144(2):645-53


Kalenscher T, Ohmann T, Windmann S, Freund N, Güntürkün O
Single forebrain neurons represent interval timing and reward amount during response scheduling.
Eur J Neurosci. 2006; 24(10):2923-31


*equally contributed