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Talk:Dipanjan Roy

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Latest comment: 3 days ago by HRShami in topic Research section

Category

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Please add this article to the following category: Category:Indian_neuroscientists HRShami (talk) 05:55, 22 May 2026 (UTC)Reply

done Flyingphoenixchips (talk) 03:08, 5 June 2026 (UTC)Reply

Photo

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Please add this photo to the article: Dipanjan Roy.jpg HRShami (talk) 11:50, 1 June 2026 (UTC)Reply

done Flyingphoenixchips (talk) 03:08, 5 June 2026 (UTC)Reply

de-orphaned

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Please remove the orphan tag from the article. A link has been created from this page. HRShami (talk) 09:50, 31 August 2026 (UTC)Reply

Done Aloneinthewild (talk) 20:48, 31 August 2026 (UTC)Reply

Research section

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Please make a research section and add the following text to it.

Roy developed a model of recovery from brain lesions in 2016. He showed that restoration of the balance between excitation and inhibition returned functional connectivity close to pre-lesion levels.[1] With Amit Naskar he later extended the model and included local glutamate and GABA levels.[1] In a 2018 study, he linked brain anatomy to resting-state activity and identified hidden states in which the functional circuits of the brain change.[2]

Roy and Naik proposed metastability as a framework for cognitive ageing in 2017, where they predicted slower switching between brain network states in the case of older individuals.[3] In 2019 he and Vatika Harlalka showed that a greater flexibility in dynamic brain networks was linked to more severe autism symptoms.[4] Four years later, working with Priyanka Sigar and Lucina Q. Uddin, he found that in 5 to 10 year old children with autism the overall organisation of brain networks was preserved while the roles of individual regions were changed.[5]

In a research, Roy and Gargi Majumdar used scans of people watching Alfred Hitchcock's Bang! You're Dead in 2022. They identified the lateral orbitofrontal cortex as tracking changes in emotion and the uncertainty related to them.[6] Returning to the same film in 2026, he found that orbitofrontal activity fluctuated more in older adults, who were also more likely to mix related emotions such as fear and surprise.[7]

References

  1. 1 2 Páscoa dos Santos, Francisco; Verschure, Paul F. M. J. (2022). "Excitatory-inhibitory homeostasis and diaschisis: tying the local and global scales in the post-stroke cortex". Frontiers in Systems Neuroscience. 15: 806544. doi:10.3389/fnsys.2021.806544.{{cite journal}}: CS1 maint: article number as page number (link)
  2. ↑ "Rested brain unlocks secrets of disorders". Nature India. 24 October 2018. doi:10.1038/nindia.2018.133.
  3. ↑ Tian, Lixia; Li, Qizhuo; Wang, Chaomurilige; Yu, Jian (2018). "Changes in dynamic functional connections with aging". NeuroImage. 172: 31–39. doi:10.1016/j.neuroimage.2018.01.040.
  4. ↑ Zhang, Hui; Peng, Dehong; Tang, Shixiong; Bi, Anyao; Long, Yicheng (2024). "Aberrant flexibility of dynamic brain network in patients with autism spectrum disorder". Bioengineering. 11 (9): 882. doi:10.3390/bioengineering11090882.
  5. ↑ Hedrih, Vladimir (10 January 2023). "Alteration to brain node topology in persons with autism spectrum disorder starts at early age". PsyPost.
  6. ↑ "Hitchcock film aids research on how brain computes future states of emotion". Nature India. 27 December 2022. doi:10.1038/d44151-022-00135-0.
  7. ↑ Ghosh, Sahana (4 June 2026). "Ageing brains are more emotionally volatile". Nature India. doi:10.1038/d44151-026-00104-x.

HRShami (talk) 06:38, 30 September 2026 (UTC)Reply