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Language

 
Language skills require speech perception, speech production and the ability to relate them both.
Our laboratory uses behavioral techniques along with structural and functional imaging to study language.
 
Some research projects in the lab investigating language are:
 
 Speech is a timed motor response. It is also a time pressure signal which contains information that encodes different articulatory gestures.Our laboratory is also interested in using signal processing techniques to investigate speech articulation.
 
Patients with brain tumor or lesion are known to exhibit language deficits. Our laboratory investigates behavioral performance as well as cortical activation patterns while picture-naming, in patients with left frontal lobe tumor prior to surgery.
 
 White matter of brain consists of axonal bundles which connects different brain regions. Language skills are predicted by how well these white matter pathways are arranged. Multilingualism is also known to affect white matter structure. Our laboratory uses diffusion tensor imaging(DTI) to study differences in white matter structure of monolinguals and bi/multilinguals. 

 

 Publications

  1. Notational usage modulates attention networks in binumerates, Atesh Koul, Vaibhav Tyagi and Nandini C. Singh, Front. Hum. Neurosci., 28 May 2014 | doi: 10.3389/fnhum.2014.00326 (2014). 

  2. ‘Cost in Transliteration’ – The neurocognitive he Neurocognitive Processing of Romanized Writing, Chaitra Rao, Avantika Mathur and Nandini C Singh , Brain and Language 124, 205-212, (2013) . 

  3. Are you a good mimic? Neuro-acoustic signatures for speech imitation ability, Susanne M.Reiterer, Xiaochen Hu, T. A. Sumathi and Nandini C. Singh, Front.Psychol. doi: 10.3389/fpsyg.2013.00782. (2013)

  4. Picture-naming in patients with left frontal lobe tumor - a functional neuroimaging study, A. Chakraborty & T. A. Sumathi & V. S. Mehta & N. C. Singh, Brain Imaging and Behavior DOI 10.1007/s11682-012-9165-4.

  5.  Sounds of melody-Pitch patterns of speech in autism, Neuroscience Letters 478 (2010) 42. 

  6.  Rhythmic structure of Hindi and English: new insights from a computational analysis Tanusree Das, Latika Singh and Nandini C. Singh, Progress in Brain Research, 168, (2008).

  7. Dyslexia, orthography, and brain, P. Padakannaya, N.B. Ramachandra and N.C. Singh, Current Science, 1381 (2008).

  8. The development of articulatory signatures in children, Latika Singh and Nandini C. Singh, Developmental Science 11:4, 467-473 (2008).

  9. Speech rhythms in children learning two languages,T.Padma Subhadra, Tanusree Das, and Nandini C Singh, Complex Dynamics of physiological systems: From Heart to Brain, Life Sciences Series, Springer, 2008.

  10. Developmental patterns of speech production in children Latika Singh, P. Shantisudha, Nandini C Singh(Applied Acoustics 68, 260-269, 2008.

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