Recent Conference Presentations

Sevinç C*, Kingir E*, Aykan D, Polat S, Ünal G (2021) The effects of chronic oral ketamine on depression-like behavior, explicit memory and c-Fos expression in rats. 19th National (Turkish) Congress of Neuroscience [Poster Presentation]

Tuna T*, Banks T*, Stroud M, Nair SS, Unal G (2021) Localization and contribution of basal forebrain GABAergic input to the basolateral amygdala. Neuroscience 2021, Chicago, IL, USA [Poster Presentation] 

Unal G (2021) Systems neuroscience: Combination of molecular and functional techniques in basic brain research. 17th Medical Biology and Genetics Congress [Invited Talk]

Unal G (2021) Testing novel protocols in rodent models to extend the acute antidepressant effect of ketamine. 57th National (Turkish) Congress of Psychiatry, Ankara, Turkey [Invited Talk]

Akan M, Unal G (2021) The antidepressant effect of acute transdermal ketamine on behavioral despair in Wistar rats. INSIGHT Conference 2021, Berlin, Germany [Poster Presentation]

Nas O, Ünal G (2021) Rats and robots: A mutual learning paradigm. 6th Experimental-Cognitive Psychology Symposium, Ankara, Turkey [Oral Presentation]

Banks T, Tuna T, Canfield P, Unal G, Nair SS (2021) Computational model of the generation of the amygdala theta rhythm. 10th International IEEE EMBS Conference on Neural Engineering [Poster Presentation] 

Tuna T, Unal G (2021) Basal forebrain GABAergic projections to the amygdala and the BNST in Wistar rats: A retrograde tract-tracing study. SfN Global Connectome: A Virtual Event [Poster Presentation] 

Unal G (2020) A new modulator pathway: Basal forebrain GABAergic innervation of the limbic circuits. 18th National Congress of Neuroscience, Bilkent University, Ankara, Turkey [Oral Presentation] 

Andac S*, Akmese C*, Unal G (2020) Open source software use in rodent behavioral testing for markerless tracking and multi-dimensional analysis. 18th National Congress of Neuroscience, Bilkent University, Ankara, Turkey [Poster Presentation] 

Ecevitoglu A, Canbeyli R, Unal G (2019) Effects of subchronic oral ketamine on behavioral despair and spatial memory in rats. Neuroscience 2019, Chicago, IL, USA [Oral Presentation] 

Tuna T, Unal G (2019) Basal forebrain GABAergic neuromodulation of fear and anxiety circuits. 5th Experimental and Cognitive Psychology Symposium, Istanbul, Turkey [Poster Presentation] 

Ecevitoğlu A, Çetin AE, Güven EB, Koç R, Pranic NM, Tamer B. Tuna T, Canbeyli R, Unal G (2019) The affective and cognitive effects of oral ketamine in Wistar rats. 6th International Symposium on Brain and Cognitive Science, Istanbul, Turkey [Poster Presentation] 

Güven EB*, Kain EG*, Koç R*, Pranic NM*, Akan M, Akmeşe C, Dinçer H, Salcan S, Tuna T, Unal G (2019) Behavioral effects of acute environmental enrichment in socially isolated rats. 6th International Symposium on Brain and Cognitive Science, Istanbul, Turkey [Poster Presentation] 

Nas O*, Koç R*, Kain EG, İşçi A, Unal G (2019) Reflection of affective state changes on ultrasonic vocalization in Wistar rats 6th International Symposium on Brain and Cognitive Science, Istanbul, Turkey [Poster Presentation]

Unal G (2018) Basal forebrain modulation of hippocampal circuits underlying memory processes. 20th National Congress of Psychology, TED University, Ankara, Turkey [Oral Presentation]

Kain EG*, Koç R*, Unal G (2018) The effects of social buffering on risk-taking behavior of rats under acute stress. 20th National Congress of Psychology, TED University, Ankara, Turkey [Poster Presentation]

Unal G (2018) Selective synaptic effects of the basal forebrain GABAergic projections on hippocampal circuitry. 16th National Congress of Neuroscience, Istanbul Technical University, Istanbul, Turkey [Oral Presentation]

Akan M, Albayrak E, Pranic NM, Tamer B, Tünçok E, Uçar N, Çetin AE, Ecevitoğlu A, Canbeyli R, Unal G (2018) Differential affective and cognitive effects of environmental enrichment for aged rats. 5th International Symposium on Brain and Cognitive Science, Istanbul, Turkey [Poster Presentation]

*Equal contribution


Journal Articles

Guven EB, Pranic NM, Unal G (2022) The differential effects of brief environmental enrichment following social isolation in rats. Cogn Affect Behav Neurosci DOI: 10.3758/s13415-022-00989-y.

Nas O, Ünal G (2021) The use of robots in experimental animal studies. Nesne 9(19):190203. [Turkish: click to access]

Ecevitoglu A, Soyman E, Canbeyli R, Unal G (2020) Paw preference constitutes a vulnerability factor for behavioural despair and affects spatial reference memory in male rats. Behav Process DOI: 10.1016/j.beproc.2020.104254.

Ünal G, Ayhan İ (2020) A new look at functional specialization: neuronal clocks. Nesne 8(17):265278. [Turkish: click to access]

Atesyakar N, Canbeyli R, Unal G (2020) Low cognitive competence as a vulnerability factor for behavioral despair in rats. Behav Process DOI: 10.1016/j.beproc.2020.104103.

Ecevitoglu A, Canbeyli R, Unal G (2019) Oral ketamine alleviates behavioral despair without cognitive impairment in Wistar rats. Beh Brain Res DOI: 10.1016/j.bbr.2019.112058.

Unal G, Canbeyli R (2019) Psychomotor retardation in depression: a critical measure of the forced swim test. Beh Brain Res DOI: 10.1016/j.bbr.2019.112047.

Unal G (2019) The cortico-hippocampal circuit: the brain’s center for mapping & declarative memory. Journal of Ankara University Faculty of Medicine 72(1):13–23. [Turkish: click to access]

Viney TJ, Salib M, Joshi A, Unal G, Berry N, Somogyi P (2018) Shared rhythmic subcortical GABAergic input to the entorhinal cortex and presubiculum. eLife DOI: 10.7554/eLife.34395. 

Unal G, Crump MG, Viney TJ, Éltes T, Katona L, Klausberger T, Somogyi P (2018) Spatio-temporal specialization of GABAergic septo-hippocampal neurons for rhythmic network activity. Brain Struct Funct 223:2409–2432.

Samarth P, Ball JM, Unal G, Pare D, Nair SS (2017) Mechanisms of memory storage in a model perirhinal network. Brain Struct Funct 222:183–200.

Bocchio M, Fisher S, Unal G, Ellender TJ, Vyazovskiy V, Capogna M (2016) Sleep and serotonin modulate paracapsular nitric oxide synthase expressing neurons of the amygdala. eNeuro DOI: 10.1523/ENEURO.0177–16.2016.

Unal G, Joshi A, Viney TJ, Kis V, Somogyi P (2015) Synaptic targets of medial septal projections in the hippocampus and extra-hippocampal cortices of the mouse. J Neurosci 35(48):15812–15826.

Unal G, Pare J-F, Smith Y, Pare D (2014) Cortical inputs innervate calbindin-immunoreactive interneurons of the basolateral amygdaloid complex. J Comp Neurol 522:1915–1928.

Unal G, Pare J-F, Smith Y, Pare D (2013) Differential connectivity of short- vs. long-range extrinsic and intrinsic cortical inputs to perirhinal neurons. J Comp Neurol 521:2538–2550.

Unal G, Apergis-Schoute J, Pare D (2012) Associative properties of the perirhinal network. Cereb Cortex 22:1318–1332.


Book Chapters

Unal G (2021) Social isolation as a laboratory model of depression. In AA Moustafa (Ed.) Mental health effects of COVID-19 (pp. 133–151). Cambridge, MA: Academic Press. [click to access]

Unal G (2021) Investigation of fear and anxiety processes with rodent behavioral models. In G Unal and I Ayhan (Eds.) Experimental approaches to cognitive and behavioral processes in psychology (pp. 51–109). Ankara: Nobel Akademik Yayıncılık. [Turkish: click to access]

Unal G, Moustafa AA (2021) The neural substrates of different depression symptoms: Animal and human studies. In AA Moustafa (Ed.) The nature of depression: An updated review (pp. 5979). Cambridge, MA: Academic Press. [click to access]


Psychobiology Lab (1994-2017) Publications

Soyman E, Yilmaz GD, Canbeyli R (2018) Head-turning asymmetry: A novel lateralization in rats predicts susceptibility to behavioral despair. Behav Brain Res. 15(338), 47-50.

Soyman E, Tunckol E, Lacin E, Canbeyli R (2015) Right-but not left-paw use in female rats provides advantage in forced swim tests. Behav Brain Res. 15(293), 162-165. 

Kocaturk M, Gulcur HO, Canbeyli R (2015) Toward building hybrid biological/in silico neural networks for motor neuroprosthetic control. Front Neurorobotics. DOI: 10.3389/fnbot.2015.00008.

İyilikci O, Aydın E, Canbeyli R (2009) Blue but not red light stimulation in the dark has antidepressant effect in behavioral despair. Behavioral Brain Research.27(6), 395-401.

Schulz D, Aksoy A, Canbeyli R (2008) Behavioral despair is differentially affected by the length and timing of photic stimulation in the dark phase of an L/D cycle. Prog Neuropsychopharmacol Biol Psychiatry, 32(5),1257-1262

Pezuk P, Aydin E, Aksoy A, Canbeyli R (2008) Effects of BNST lesions in female rats on forced swimming and navigational learning. Brain Research.1228,199-207.

Pezuk P, Goz D, Aksoy A, Canbeyli R (2006) BNST lesions aggravate behavioral despair but do not impair navigational learning in rats. Brain Res Bull, 69(4), 416-421.

Yilmaz A, Aksoy A, Canbeyli R (2004) A single day of constant light (L/L) provides immunity to behavioral despair in female rats maintained on an L/D cycle. Prog Neuropsychopharmacol Biol Psychiatry, 28(8), 1261-5.

Aksoy A, Schulz D, Yilmaz A, Canbeyli R (2004) Seasonal variability in behavioral despair in female rats. Int J Neurosci, 114(12), 1513-20

Bozkulak O, Tabakoglu HO, Aksoy A, Kurtkaya O, Sav A, Canbeyli R, Gulsoy M (2004) The 980-nm diode laser for brain surgery: histopathology and recovery period. Lasers Med Sci, 19(1), 41-7.

Bulduk S, Canbeyli R (2004) Effect of inescapable tones on behavioral despair in Wistar rats. Prog Neuropsychopharmacol Biol Psychiatry, 28(3), 471-5.

Tataroglu O, Aksoy A, Yilmaz A, Canbeyli R (2004) Effect of lesioning the suprachiasmatic nuclei on behavioral despair in rats. Brain Res. 1001(1-2), 118-24.

Yilmaz A, Schulz D, Aksoy A, Canbeyli R (2002) Prolonged effect of an anesthetic dose of ketamine on behavioral despair. Pharmacol Biochem Behav, 71, 341-4.

Schulz D, Canbeyli R (2000) Lesions of the bed nucleus of the stria terminalis enhances learned despair. Brain Research Bulletin, 52(2), 83-87.

Gülsoy M, Çelikel T, Kurtkaya Ö, Sav A, Kurt A, Canbeyli R & Çilesiz İ (2000) Stereotaxic Use of the 980nm Diode Laser in Rat Cortical and Subcortical Tissues, in Clinical Lasers and Diagnostics, Proceedings of the SPIE, 243-246.

Gülsoy M, Çelikel T, Kurtkaya Ö, Sav A, Kurt A, Canbeyli R, Çilesiz İ (1999) Application of the 980 nm diode laser in stereotaxic surgery. IEEE Journal of Selected Topics in Quantum Electronics on Lasers in Medicine and Biology, 5(4), 1090-1094.

Schulz D, Canbeyli R (1999) Freezing behavior in BNST-lesioned Wistar rats. J. F. McGinty (Ed.) Advancing from the ventral striatum to the extended amygdala: Implications for neuropsychiatry and drug abuse. New York Academy of Sciences, 877, 728-731.