Publications by authors named "Janhavi Pillai"
Neuropsychologia
December 2024
Article Synopsis
- Semantic dementia (SD) patients, particularly those with semantic variant primary progressive aphasia (svPPA) and semantic behavioral variant frontotemporal dementia (sbvFTD), exhibit challenges in identifying faces due to atrophy in the anterior temporal lobe (ATL).
- The study involved 74 SD patients and 36 healthy controls, who underwent various face recognition and semantic processing tests, alongside structural MRI scans to assess neural correlates.
- Findings indicated that while both patient groups struggled with semantic face tasks, they performed similarly on perceptual face tests, suggesting that perceptual deficits may not arise until later stages of the disease with more extensive ATL atrophy.
Article Synopsis
- * Researchers used automated speech analysis on audio-recorded picture descriptions from 40 FTD patients and 22 healthy controls to identify linguistic features that could help distinguish between the two types of atrophy associated with each variant.
- * The analysis revealed key speech features that could differentiate between FTD patients and healthy controls as well as between the two variants of FTD, suggesting potential for a non-invasive diagnostic tool that correlates with specific brain areas involved in language and
Article Synopsis
- Semantic dementia (SD) patients, including those with semantic variant primary progressive aphasia (svPPA) and semantic behavioral variant frontotemporal dementia (sbvFTD), struggle with identifying faces and known individuals due to right anterior temporal lobe (ATL) atrophy, but the presence of perceptual deficits in face recognition is still uncertain.
- A study involving 74 SD patients and 36 cognitively healthy controls used a series of face processing tests and MRI scans to investigate the relationship between face recognition performance and brain structure.
- Results showed that both svPPA and sbvFTD patients had significant impairments in semantic face processing tasks, but they performed well on perceptual face recognition tests, indicating that perceptual abilities
