Related Experiment Video
Updated: May 10, 2026
11:01
Examining the Characteristics of Episodic Memory using Event-related Potentials in Patients with Alzheimer's Disease
Published on: August 30, 2011
Decreased event-based prospective memory functioning in individuals with Parkinson's disease
Alberto Costa1, Antonella Peppe, Carlo Caltagirone
1I.R.C.C.S. Fondazione Santa Lucia, Rome, Italy. a.costa@hsantalucia.it
Journal of Neuropsychology
|July 2, 2013
Summary
Parkinson's disease (PD) patients show impaired prospective memory (PM) compared to controls. This decline is not solely due to reduced retrospective memory, suggesting other cognitive factors are involved.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Neurology
Background:
- Prospective memory (PM) is crucial for daily functioning.
- Parkinson's disease (PD) is associated with cognitive deficits, including memory impairments.
- The specific contribution of retrospective memory to PM deficits in PD is not fully understood.
Purpose of the Study:
- To investigate the role of retrospective memory in prospective memory (PM) functioning in individuals with Parkinson's disease (PD).
- To compare PM performance between patients with PD and healthy controls under varying retrospective memory loads.
Main Methods:
- A prospective memory task involving word sequences and target detection was administered.
- Retrospective memory load was manipulated by varying the number of target words (one vs. four).
- Participants included 20 patients with PD (no dementia) and 20 healthy controls.
Main Results:
- Patients with PD demonstrated significantly poorer performance in all PM conditions compared to controls.
- Retrospective memory load did not differentially affect PM performance between the two groups.
- In PD patients, episodic memory retrieval was less associated with PM performance than in controls.
Conclusions:
- PM functioning is impaired in non-demented individuals with PD.
- The observed PM deficits in PD are not fully explained by reduced retrospective memory capacity.
- Altered self-retrieval processes may underlie the prospective memory decline in Parkinson's disease, suggesting potential therapeutic targets beyond retrospective memory.
Keywords:
Executive controlMemory for intentionsParkinson's DiseaseProspective memoryRetrospective memoryMore Related Videos
07:26Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
Published on: September 26, 2019
10:28Dynamic Digital Biomarkers of Motor and Cognitive Function in Parkinson's Disease
Published on: July 24, 2019
Related Concept Videos
01:15Parkinson's Disease: Overview
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is to...
01:24Parkinson Disease l: Introduction
Parkinson’s disease is a chronic, progressive neurodegenerative disorder that primarily affects movement. It is characterized by motor symptoms such as resting tremors, muscle rigidity, bradykinesia (slowness of movement), and postural instability. Patients may notice hand tremors at rest, stiffness during movement, or a shuffling gait. In addition to motor features, non-motor symptoms include sleep disturbances, mood and behavioral changes, constipation, and cognitive impairment, all of which...
01:24Parkinson Disease ll: Pathophysiology
Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...
01:24Parkinson's Disease: Treatment
Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of its...
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of its...
01:37Neural Regulation
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
01:29Alzheimer Disease l: Introduction
Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...