Introduction: The historical development, frequency, and impact of frontotemporal dementia
(FTD) are less clear in Latin America than in high-income countries. Although there is a …

We summarize the main findings and conclusions of Warrington's (1975) paper, The
Selective Impairment of Semantic memory, a neuropsychological paper that described three …

Word age-of-acquisition (AoA) affects reading. The mapping hypothesis predicts AoA effects
when input–output mappings are arbitrary. In Spanish, the orthography-to-phonology …

Lexical retrieval and reading aloud are often viewed as two separate processes. However,
they are not completely separate—they share components. This study assessed the effect of …

Reading impairment is an important feature in Primary Progressive Aphasia (PPA). The
Spanish orthography entails completely regular spelling to sound correspondences, so …

Latin America is a vast heterogeneous territory where chronic diseases such as mild
cognitive impairment or dementia are becoming higher. Frontotemporal dementia (FTD) …

The different types of acquired dyslexia described by cognitive neuropsychology have been
observed in single-case and case series studies in different languages. However, no …

Background: The diagnostic criteria for the semantic variant of primary progressive aphasia
(svPPA) include the possible presence of acquired surface dyslexia or dysgraphia. Acquired …

Primary progressive aphasia (PPA) is a neurodegenerative clinical syndrome characterized
primarily by progressive language impairment. Recently, consensus diagnostic criteria were …

The semantic variant of primary progressive aphasia (sv-PPA) is a degenerative condition
which causes surface dyslexia/dysgraphia, resulting in reading/writing errors of irregular …