The goal of this chapter is to provide a state‐of‐the‐art review of how acquired brain lesions
can interfere with the normal semantic processing of the meaning of words. After reminding …

Background: Alzheimer's disease (AD) is traditionally subdivided into early onset (EOAD)
and late onset (LOAD). EOAD has an onset before age 65 years and accounts for 1–5% of …

Background Age-related decline in cognitive function, such as executive function, is
associated with structural changes in the neural substrates, such as volume reductions in …

In composing an utterance, it is not uncommon for a person to struggle to search for a word,
such as a noun or a verb, hesitating or substituting other words. Word-finding difficulties …

The ultimate goal of language comprehension is to obtain meaning. However, this is difficult
because many words are semantically ambiguous, mapping onto multiple meanings …

Neuropsychological examination tries to define the state of the mental capacities of patients
with brain injury. Traditionally, a dichotomy is established between qualitative and …

In this chapter it is emphasized that there are only two fundamental forms of aphasia, which
are linked to impairments in the lexical/semantic and grammatical systems of language …

Background: Comprehension deficits are more pervasive in aphasic syndromes than initially
believed. They affect differentially distinct levels of auditory-verbal comprehension. Current …

Wernicke's Aphasia (WA) is characterized by an individual speaking fluent gibberish without
the ability to understand anything that is said to them or anything they attempt to read. It is …

Within cognitive neuroscience, understanding how the brain supports the flexible use of
language and meaning remains an ongoing challenge. In recent years, the Controlled …