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The School of Psychology

Dr Ramakrishna Chakravarthi

Dr Ramakrishna Chakravarthi
Dr Ramakrishna Chakravarthi
Dr Ramakrishna Chakravarthi

Senior Lecturer

About
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
Google Scholar
Personal Website

Internal Memberships

  • Undergraduate Exams Officer
  • PS3524 (Cognitive Neuroscience) course coordinator
  • EEG lab coordinator
  • Organiser of Perception and Attention group meetings (with Dr Nika Adamian)
Research

Research Overview

  • Neural mechanisms in visual perception, numerosity and attention
  • Object recognition: crowding and categorisation
  • Time perception
  • Intentionality and visual awareness
Teaching

Teaching Responsibilities

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

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  • Can anticipating distractors influence visual object recognition accuracy?

    Reuther, J., Chakravarthi, R.
    The Scottish Vision Group (SVG) 2016, pp. 15
    Contributions to Conferences: Abstracts

  • The temporal dynamics of visual processing in multiple sclerosis

    Lopes Costa, S., Gonçalves, O. F., DeLuca, J., Chiaravalloti, N., Chakravarthi, R., Almeida, J.
    Applied Neuropsychology. Adult, vol. 23, no. 2, pp. 133-140
    Contributions to Journals: Articles

  • Category effect in visual crowding = feature differences + overlap differences

    Reuther, J., Chakravarthi, R.
    The Scottish Vision Group (SVG) Meeting 2015, pp. 20
    Contributions to Conferences: Abstracts

  • Higher-level effects in crowding falter when low-level attributes are controlled for

    Reuther, J., Chakravarthi, R.
    38th European Conference on Visual Perception (ECVP) 2015 Liverpool, pp. 182-183
    Contributions to Conferences: Abstracts

  • The Bouma law of crowding, revised: Critical spacing is equal across parts, not objects

    Rosen, S., Chakravarthi, R., Pelli, D. G.
    Journal of Vision, vol. 14, no. 6, 10
    Contributions to Journals: Articles

  • 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

  • Supercrowding: weakly masking a target expands the range of crowding

    Vickery, T., Shim, W. M., Chakravarthi, R., Jiang, Y., Luedeman, R.
    Journal of Vision, vol. 9, no. 2, pp. 1-15
    Contributions to Journals: Articles

  • Temporal properties of the polarity advantage effect in crowding

    Chakravarthi, R., Cavanagh, P.
    Journal of Vision, vol. 7, no. 2, 11
    Contributions to Journals: Articles

  • Real latencies and facilitation

    Chakravarthi, R.
    Consciousness and Cognition, vol. 11, no. 2, pp. 300-303
    Contributions to Journals: Articles
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