Dr Vassilis Pelekanos

Vassilis Pelekanos

University position

Post-doctoral Researcher


Experimental Psychology (Oxford) and MRC Cognition and Brain Sciences Unit



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Research Theme

Cognitive and Behavioural Neuroscience


My research interests lie in visual and cognitive neuroscience. In particular, I am interested in understanding the brain mechanisms that support our ability to perceive and categorise objects.

The volume of solid 3D objects is delimited by surfaces, and in my PhD, with Andrew E. Welchman, I used fMRI-guided TMS and psychophysics to study the mid-level neuronal mechanisms that support the perception of 3D surfaces.

Currently, I am a post-doc investigator scientist at the MRC Cognition and Brain Sciences Unit and I explore the neural coding of visual object recognition. I work with Nikolaus Kriegeskorte and Andrew Bell in Oxford where I use functional neuroimaging to investigate the relationship between the categorical organisation observed in ventral visual cortex and the basic visual features being present in individual objects.

Research Focus


Binocular Vision

Object Recognition

Top-Down influences on Perception

Clinical conditions

No direct clinical relevance


Behavioural analysis

Diffusion tensor imaging

Magnetic resonance imaging (MRI)

Transcranial Magnetic Stimulation (TMS)


No collaborators listed

Associated News Items



    Pelekanos V, Mok R, Joly O, Ainsworth M, Kyriazis D, Kelly M, Bell A, Kriegeskorte N. (2020), “Rapid event-related, BOLD fMRI, non-human primates (NHP): choose two out of three.” Sci Rep 10, 7485

    Pelekanos V, Premereur E, Mitchell D, Chakraborty S, Mason S, Lee A, Mitchell AS (2020), “Cortico-cortical and thalamocortical changes in functional connectivity and white matter structural integrity after reward-guided learning of visuospatial discriminations in rhesus monkeys.” J Neurosci 40(41):78877901

    Persic D, Thomas M, Pelekanos V, Ryugo D, Takesian A, Krumbholz K, Pyott S. (2020), “Regulation of auditory plasticity during critical periods and following hearing loss” Hear Res 397, 107976


    Mason S, Premereur E, Pelekanos V, Emberton A, Honess P, Mitchell AS (2019), “Effective chair training methods for neuroscience research involving Rhesus Macaques (Macaca mulatta)” J Neurosci Methods 317:82-93


    Pelekanos V, Mur M, Storrs KR. (2016), “Extracting Object Identity: Ventral or Dorsal Visual Stream?” J Neurosci. 36(24):6368-70


    Pelekanos V, Ban H, Welchman AE. (2015), “Brightness masking is modulated by disparity structure” Vis Res 110(Pt A): 87-92


    Pelekanos V, Roumani D, Moutoussis K (2012), “The effects of categorical and linguistic adaptation on binocular rivalry initial dominance” Front Hum Neurosci 5:1-8.


    Pelekanos V, Moutoussis K (2011), “The effect of language on visual contrast sensitivity.” Perception 40(12):1402-12 Details