impairment

Verb Inflection Performance in Parkinson’s Disease: Evidence from Error and Response Time Analyses

As one of the core language abilities, inflection is essential for efficient communication. Theories explaining the cognitive underpinnings of verb inflection include three approaches: single-route, dual-route, and differential common encoding. The …

Lesion locations are associated with cognitive impairment after ischemic stroke in young adults

Introduction: Stroke location is an important determinant of post-stroke cognitive impairment (PSCI). In young adults, a comprehensive map of lesion patterns and their relations to PSCI is lacking. This study aims to identify lesion locations …

Speaking: The Free Book

This book was written as a resource for teaching language production at the Bachelor’s and Master’s level or for initiating trainees on the topic more generally. Some basic knowledge of cognitive psychology and linguistics is assumed. These materials …

The use of discourse particles in oral picture description by individuals with primary progressive aphasia

Discourse production, including the use of discourse particles, is crucial in everyday communication. Discourse particles (e.g., ja 'yeah') form a heterogeneous group of words that fulfil different functions such as structuring the discourse or …

Semi-spontaneous language production in Dutch-speaking individuals with primary progressive aphasia

Primary progressive aphasia (PPA) is a neurodegenerative syndrome characterized by prominent language symptoms. Distinguishing between PPA variants, particularly non-fluent and logopenic variants, remains challenging. Language production is a crucial …

Investigating semantic control in amnestic mild cognitive impairment and mild dementia

Individuals in the preclinical stage of Alzheimer's disease (amnestic mild cognitive impairment [aMCI] and mild dementia) primarily exhibit episodic memory deficits, while the presence of semantic control impairments remains understudied. To explore …

Exploring the production of discourse particles by persons with aphasia

Background: Discourse production is a fundamental aspect of everyday life. There is a growing body of research on discourse production in persons with aphasia (PWA) but one understudied aspect of discourse production is the use of discourse …

Cognitive impairment after a stroke in young adults: a systematic review and meta-analysis

Background: Information about cognitive functioning is vital in the management of stroke, but the literature is mostly based on data from individuals older than 50 years of age who make up the majority of the stroke population. As cognitive …

Brain areas critical for naming: a systematic review and meta-analysis of lesion-symptom mapping studies

Lesion-symptom mapping (LSM) studies have revealed brain areas critical for naming, typically finding significant associations between damage to left temporal, inferior parietal and inferior fontal regions and impoverished naming performance. …

Systematic review and meta-analyses of word production abilities in dysfunction of the basal ganglia: Stroke, small vessel disease, Parkinson's disease, and Huntington's disease

Clinical populations with basal ganglia pathologies may present with language production impairments, which are often described in combination with comprehension measures or attributed to motor, memory, or processing-speed problems. In this …