51cg

Dr Ramakrishna Chakravarthi

Dr Ramakrishna Chakravarthi
Dr Ramakrishna Chakravarthi
Dr Ramakrishna Chakravarthi

Senior Lecturer

51cg
Email Address
rama@abdn.ac.uk
Telephone Number
+44 (0)1224 272243
Office Address

School of Psychology

William Guild Building Room S7

Kings College

Old Aberdeen AB24 3FX

School/Department
School of Psychology


Memberships and Affiliations

Internal Memberships
  • Chair of EDI Committee
  • PS3524 (Cognitive Neuroscience) course coordinator
External Memberships
  • Editorial Board Member: Journal of Vision, Cortex
  • External examiner: MSc Cognitive Neuroscience, Durham University
Research

Research Overview

  • Neural mechanisms (EEG) in visual perception and attention
  • Numerical cognition: estimation and subitizing
  • Object recognition: crowding and categorisation
  • Time perception
  • Intentionality, sense of agency, and visual awareness
  • Aesthetics: symmetry and beauty

Funding and Grants

2026-30

Does selective visual attention sample rhythmically? Lundbeck Foundation (Denmark) grant awarded to Soren Andersen (PI), Marco Steinhauser (Co-I) and me (Co-I), DKK 6,259,925, equivalent to ~£735,000

2025-26

Sense of Agency in social interaction through reciprocal action timing, EPS Small Grant awarded to Bert Timmermans (PI) and me (Co-I), £9,985

2021-22

Visual processing in humans and machines, Internal Funding to Pump-Prime Interdisciplinary Research and Impact Activities awarded to me (PI), Murilo Batista and Alasdair Clarke, £6,040

2019-20

Experiencing myself through you: Self-agency in social interactions, Carnegie Research Incentive Grant awarded to Bert Timmermans (PI) and me (Co-I), £9,914

2019-21

Investigating the microstructure of human visual fields and generating low-vision applications, BBSRC International Partnering award granted to Dr Jasna Martinovic (PI), Dr Daniel Coates (Houston, external partner), Dr Josephine Reuther (post-doc) and me (Co-I), £10,000

2018-21

Neural mechanisms of long-range spatial vision: an investigation of perceptive, integrative and association fields across the lifespan, BBSRC grant awarded to Dr Jasna Martinovic (PI) and me (Co-I), £344,000

Teaching

Teaching Responsibilities

Level 2:   Perception
Level 3:
  1. Methodology: Semester long research project (5-6 students each semester)
  2. Cognitive Neuroscience (Levels 3 and 4)
  3. Level 3 Biological Psychology tutorials
Level 4:
  1. Senior honours (research-based) thesis (6-7 students each year)
  2. Sixth Century Course on Consciousness (Levels 3 and 4)
Masters:
  1. MRes Bayesian Statistics
  2. MSc Bayesian Statistics
  3. MRes thesis supervision
Others:
   PhD Supervision
Publications

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  • Categorical membership modulates crowding: evidence from characters

    Reuther, J., Chakravarthi, R.
    Journal of Vision, vol. 14, no. 6, pp. 1-13
    Contributions to Journals: Articles
  • The temporal evolution of coarse location coding of objects: evidence for feedback

    Chakravarthi, R., Carlson, T. A., Chaffin, J., Turret, J., VanRullen, R.
    Journal of Cognitive Neuroscience, vol. 26, no. 10, pp. 2370-2384
    Contributions to Journals: Articles
  • For whom the bell tolls: periodic reactivation of sensory cortex in the gamma band as a substrate of visual working memory maintenance

    Van Vugt, M. K., Chakravarthi, R., Lachaux, J.
    Frontiers in Human Neuroscience, vol. 8, 696
    Contributions to Journals: Articles
  • Evidence for categorical crowding

    Reuther, J., Chakravarthi, R.
    The Scottish Vision Group (SVG) Meeting 2014
    Contributions to Conferences: Abstracts
  • Conscious updating is a rhythmic process

    Chakravarthi, R., VanRullen, R.
    PNAS, vol. 109, no. 26, pp. 10599-10604
    Contributions to Journals: Articles
  • Substitution and pooling in crowding

    Freeman, J., Chakravarthi, R., Pelli, D.
    Attention, Perception & Psychophysics, vol. 74, no. 2, pp. 379-396
    Contributions to Journals: Articles
  • Bullet trains and steam engines: exogenous attention zips but endogenous attention chugs along

    Chakravarthi, R., VanRullen, R.
    Journal of Vision, vol. 11, no. 4, pp. 1-12
    Contributions to Journals: Articles
  • The same binding in contour integration and crowding

    Chakravarthi, R., Pelli, D. G.
    Journal of Vision, vol. 11, no. 8, 10
    Contributions to Journals: Articles
  • Recovery of a crowded object by masking the flankers: determining the locus of feature integration

    Chakravarthi, R., Cavanagh, P.
    Journal of Vision, vol. 9, no. 10, 4
    Contributions to Journals: Articles
  • Bilateral field advantage in visual crowding

    Chakravarthi, R., Cavanagh, P.
    Vision Research, vol. 49, no. 13, pp. 1638-1646
    Contributions to Journals: Articles
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