Zimmerer, V.C., Hardy, C.J.D., Eastman, J., Dutta, S., Varnet, L., Bond, R.L., Russell, L., Rohrer, J.D., Warren, J.D., Varley, R.A. (2020). Automated profiling of spontaneous speech in primary progressive aphasia and behavioral-variant frontotemporal dementia: An approach based on usage-frequency. Cortex, 133, 103-119. https://doi.org/10.1016/j.cortex.2020.08.027
This one took ages to publish. Not only because we kept adding (post-hoc) analyses, but also because I thought the work should appeal to journals to which it ultimately did not.
We looked at language in rare dementias: Primary progressive aphasia, which mostly affects an individual’s ability to use language (we include the three major types, logopenic variant, semantic variant, and non-fluent variant), and behavioral-variant frontotemporal dementia, which primarily causes behaviour and mood change. Data were provided by colleagues at UCL’s Dementia Research Centre.
The fascinating thing about dementia is that, ultimately, each kind has been associated with some language symptoms.
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