Meet The Team

DR. RATNAVALLI ELLAJOSYULA | Head Neurologist

Dr. Ratnavalli, a senior consultant neurologist, received her medical and neurological training in New Delhi. She served as faculty at NIMHANS, Bangalore, where she initiated the behavioural neurology clinic. She holds a Cognitive Neurology fellowship from the University of Cambridge, UK, and was a research fellow at the University of North Carolina, Chapel Hill. Currently, she leads the Memory Clinic at Manipal Hospital with over a decade of experience in cognitive neurology and neuropsychology. Her clinical interests include stroke, neuroinfections, and dementia, while her research focuses on multilingualism and dementia, memory breakdown, and neural substrates of language. She is involved in multiple research projects and has publications in stroke and cognitive neurology.


JWALA NARAYAN | Chief Neuropsychologist

Jwala holds a Master’s in Clinical Psychology from India and a specialization in Neuropsychology from the University of Glasgow, UK. Her focus is on memory disorders and neuropsychological rehabilitation. She was awarded the Neuropsychology International Fellowship in 2012, which partly funded her to visit various neuropsychology centres in the U.K.


DR. JYOTHSNA BALA | Neurologist

Dedicated clinician and research-driven Neurologist with comprehensive training in high-volume, tertiary care settings. Proven expertise in managing acute neurological emergencies, neuromuscular crises, and hyperacute stroke pathways, alongside a specialized clinical and research focus on cognitive and behavioral neurology, dementia variants, and advanced biomarker interpretation. Accomplished in academics and clinical research. Committed to improve the healthcare landscape in India by advancing patient care through evidence-based practice, procedural excellence, developing support systems and ongoing global academic collaboration.


PRARTHANA K. KRISHNAN | Neuropsychology and Research Associate

Prarthana holds a Master’s degree in Neuropsychology and has been associated with the Cognitive Neurology Clinic since 2021, beginning as an intern. Her clinical work focuses on neuropsychological assessment and rehabilitation in individuals with dementia, stroke, and acquired brain injury, with particular interests in aphasia, language and communication disorders, and working memory rehabilitation. She is actively involved in research exploring language, cognition, and neuropsychological assessment in multilingual populations, alongside the development of cognitive enrichment and rehabilitation programmes. Her work emphasises evidence-based, culturally relevant, and person-centred approaches to improving cognitive care and quality of life for individuals with neurological conditions and their families.


SAMEEKSHA SUDHAKAR | Neuropsychology and Research Associate

Sameeksha holds an MSc in Neuropsychology and works as an Assistant Neuropsychologist and Research Associate. Her clinical and research practice focuses on comprehensive neuropsychological evaluations and bridging clinical findings with ongoing research initiatives. Her key areas of interest lie in mapping specific cognitive domains and investigating how underlying neural mechanisms impact daily functioning across various clinical populations.


SANDHYA SIVAKUMAR | Neuropsychology and Research Associate

Sandhya Sivakumar is an Associate Neuropsychologist at the Cognitive Neurology Clinic, Bangalore. She holds an MSc in Neuropsychology from Christ University. Her clinical work involves neuropsychological assessment and rehabilitation, with a special focus on older adults. She also leads COGWORKS, a cognitive enrichment group and brain injury rehabilitation groups. She has presented her research at international conferences. Her interests lie in executive functioning, social cognition, and using technologies like Virtual Reality in neuropsychological rehabilitation.