Doris George Yohannan

ORCID: 0000-0003-0981-6164
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About
Contact & Profiles
Research Areas
  • Anatomy and Medical Technology
  • Surgical Simulation and Training
  • Medical and Biological Sciences
  • Peripheral Nerve Disorders
  • Meningioma and schwannoma management
  • Nerve Injury and Rehabilitation
  • Biomedical and Engineering Education
  • Innovations in Medical Education
  • Vascular anomalies and interventions
  • Ophthalmology and Eye Disorders
  • Radiology practices and education
  • Hand Gesture Recognition Systems
  • AI in cancer detection
  • Augmented Reality Applications
  • Blind Source Separation Techniques
  • EEG and Brain-Computer Interfaces
  • Neural Networks and Applications
  • Spatial Cognition and Navigation
  • Intraocular Surgery and Lenses
  • Head and Neck Anomalies
  • Management of metastatic bone disease
  • Hearing Impairment and Communication
  • Pituitary Gland Disorders and Treatments
  • Urological Disorders and Treatments
  • Artificial Intelligence in Healthcare and Education

Government Medical College
2018-2025

Sree Chitra Thirunal Institute for Medical Sciences and Technology
2023

Institute of Medical Sciences
2023

Government Medical College
2018-2023

International Institute of Information Technology, Hyderabad
2023

Creative Commons
2023

Pushpagiri Medical College
2023

Sree Gokulam Medical College and Research Foundation
2015-2017

Abstract Background: Prior research by the authors studied objective impact on medical students’ academic course, perceived cognitive load, quantified subjective feedback while teaching using AnaVu, a low resource stereoscopic projection system. The qualitative data from opinions, and comparative educational results reported undergraduate students following their participation in (AnaVu) monoscopic learning sessions are explored this study. This study was done to evaluate compare...

10.4103/njca.njca_164_24 article EN cc-by-nc-sa National Journal of Clinical Anatomy 2025-01-01

EEG contains immense information about the brain activity which cannot be understood completely by visual inspection. Powerful signal processing algorithms in analysis can greatly assist physicians and neurologists to extract such hidden information. It has been found that being a time-varying non-stationary signal, analyzed non-linear methods. In this paper we tried evaluate non linear features like Approximate Entropy, Sample Entropy Hurst Exponent epileptic normal obtained clear...

10.1109/inventive.2016.7830193 article EN 2022 International Conference on Inventive Computation Technologies (ICICT) 2016-08-01

Spatial understanding of complex anatomical concepts is often a challenge for learners, as well educators. It even more challenging students with low mental spatial abilities. There are many options to teach relationships, ranging from simple models high-end three-dimensional (3D) virtual reality tools. Using randomized controlled trial design, this study explored the use unique combination deictic and iconic hand gestures enhance understanding, coining term "Air Anatomy". The control group...

10.1002/ase.2088 article EN Anatomical Sciences Education 2021-04-15

Chaotic analysis is a relatively novel area in the study of physiological signals. features electroencephalogram have been analyzed various disease states like epilepsy, Alzheimer’s disease, sleep disorders, and depression. All these diseases primary involvement brain. Our examines chaotic parameters metabolic encephalopathy, where brain functions are involved secondary to disturbance. clearly showed significant lower values for parameters, correlation dimension, largest Lyapunov exponent...

10.1155/2018/8192820 article EN cc-by Neurology Research International 2018-05-29

Abstract Background: The authors had earlier studied the utility of stereoscopic projection neuroanatomic three-dimensional models through AnaVu (a low resource system) on medical students. tool was developed by collaboration between anatomy teachers, radiologists, and visualization experts. Although preliminary results indicated advantages in learning, perspective end users tool, not known hence this study. Methodology: A cross-sectional study observational nature conducted where Faculty...

10.4103/njca.njca_176_23 article EN cc-by-nc-sa National Journal of Clinical Anatomy 2023-10-01

Abstract The ability to create efficient “mental models” or representations of anatomical structures is crucial for achieving competence in most areas anatomy. Gesture‐based teaching has been recognized lighten cognitive loads and allow superior mental model creation compared non‐gestural practices. This commentary explores the basis possible mechanisms behind this advantage such as (1) reducing visual working memory load, (2) allowing parallel sequential development internal...

10.1002/ase.2399 article EN Anatomical Sciences Education 2024-02-13

The authors had previously developed AnaVu, a low-resource 3D visualization tool for stereoscopic/monoscopic projection of models generated from pre-segmented MRI neuroimaging data. However, its utility in neuroanatomical education compared to conventional methods (specifically whether the stereoscopic or monoscopic mode is more effective) still unclear. A three-limb randomized controlled trial was designed. sample (n = 152) 2022 cohort MBBS students at Government Medical College,...

10.1186/s12909-024-05910-4 article EN cc-by-nc-nd BMC Medical Education 2024-08-27

The diaphragma sellae (DS) is a fold of dura that forms partial roof over the pituitary gland. foramen (FDS) thereby pathway for suprasellar extension tumors. purpose this study was to describe anatomical dimensions DS and FDS understand relationship with overlying optic chiasma. conducted in 100 autopsy cases. Measurements were taken using vernier calipers. Photographs, before after removal pathway, superimposed image processing software. results showed mean A-P dimension 1.17 ± 0.48 cm;...

10.1155/2015/618042 article EN Anatomy Research International 2015-09-13

In this paper, we present AnaVu, a light weight visualization system for teaching 3D anatomy at classroom scale. We propose stereoscopic along with an easy to use interface as scalable visual aid opposed learning from traditional 2D images. This is alternative VR/XR devices that can only serve handful of students and are heavy on computational resources. For large scale classes (∼50−150 students) provides good feedback spatial relations, projection further providing depth cues distinguish...

10.1109/tale56641.2023.10398323 article EN 2023-11-28

We present a cadaveric case report which illustrates superficial ulnar artery (SUA) bilaterally. This subject also had bilateral absence of palmaris longus and persistence median in the right limb, makes this unique with constellation variations both upper limbs. briefly review other reported cases to discuss occurrence SUA variant its importance.

10.4103/ijps.ijps_228_16 article EN cc-by-nc-nd Indian Journal of Plastic Surgery 2017-01-01

10.1016/j.jasi.2015.11.002 article EN Journal of Anatomical Society of India 2015-12-23
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