What type of memory dissociation is evident between occipital patients and hippocampal patients?
Understand the Problem
The question is asking about the differences in memory dissociation between two distinct patient groups: those with occipital lobe damage and those with hippocampal damage. It requires understanding the types of memory affected in each group, specifically focusing on priming and recall capabilities.
Answer
Double dissociation between explicit and implicit memory.
A double dissociation is evident between occipital patients and hippocampal patients, where occipital patients may show intact explicit memory but impaired implicit memory, while hippocampal patients exhibit deficits in certain types of memory crucial for tasks like DNMS (delayed nonmatching to sample).
Answer for screen readers
A double dissociation is evident between occipital patients and hippocampal patients, where occipital patients may show intact explicit memory but impaired implicit memory, while hippocampal patients exhibit deficits in certain types of memory crucial for tasks like DNMS (delayed nonmatching to sample).
More Information
A double dissociation in memory systems means that two types of brain damage cause opposing memory deficits, implying independent systems. The hippocampus is crucial for tasks requiring detailed or spatial memory, while occipital regions affect certain aspects of implicit memory.
Tips
A common mistake is to assume that all memory functions are similarly impaired by brain damages in either region, which overlooks the specificity of memory systems.
Sources
- Double Dissociation Between Memory Systems Underlying Explicit ... - semanticscholar.org
- Dissociations in Hippocampal and Frontal Contributions to Episodic ... - ncbi.nlm.nih.gov
- Dissociating Multiple Memory Systems in the Brain - Oxford Academic - academic.oup.com
