SAND: a Screening for Aphasia in NeuroDegeneration. Development and normative data

Eleonora Catricalà, Elena Gobbi, Petronilla Battista, Antonio Miozzo, Cristina Polito, Veronica Boschi, Valentina Esposito, Sofia Cuoco, Paolo Barone, Sandro Sorbi, Stefano F Cappa, Peter Garrard

Research output: Contribution to journalArticlepeer-review

Abstract

Language assessment has a critical role in the clinical diagnosis of neurodegenerative diseases, in particular, in the case of Primary Progressive Aphasia (PPA). The current diagnostic criteria (Gorno-Tempini et al., 2011) identify three main variants on the basis of clinical features and patterns of brain atrophy. Widely accepted tools to diagnose, clinically classify, and follow up the heterogeneous language profiles of PPA are still lacking. In this study, we develop a screening battery, composed of nine tests (picture naming, word and sentence comprehension, word and sentence repetition, reading, semantic association, writing and picture description), following the recommendations of current diagnostic guidelines and taking into account recent research on the topic. All tasks were developed with consideration of the psycholinguistic factors that can affect performance, with the aim of achieving sensitivity to the language deficit to which each task was relevant, and to allow identification of the selective characteristic impairments of each PPA variant. Normative data on 134 Italian subjects pooled across homogeneous subgroups for age, sex, and education are reported. Although further work is still needed, this battery represents a first step towards a concise multilingual standard language examination, a fast and simple tool to help clinicians and researchers in the diagnosis of PPA.

Original languageEnglish
Pages (from-to)1469-1483
Number of pages15
JournalNeurological Sciences
Volume38
Issue number8
DOIs
Publication statusPublished - Aug 2017

Keywords

  • Journal Article

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