Related Experiment Video
Updated: Sep 7, 2025
08:09
Use of an Eight-arm Radial Water Maze to Assess Working and Reference Memory Following Neonatal Brain Injury
Published on: December 4, 2013
16.5K
Intact high-resolution working memory binding in a patient with developmental amnesia and selective hippocampal
Richard J Allen1, Amy L Atkinson2, Faraneh Vargha-Khadem3
1School of Psychology, University of Leeds, Leeds, UK.
Hippocampus
|June 23, 2022
Summary
Severe hippocampal damage did not impair a patient's ability to perform precise visual working memory tasks. This suggests the hippocampus may not be essential for high-resolution cognitive functions.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Memory Research
Background:
- The hippocampus's role in short-term and working memory is debated.
- Research is exploring its potential involvement in precise, high-resolution cognition and conjunctive memory.
Purpose of the Study:
- To investigate whether severe hippocampal damage affects high-resolution visual working memory and conjunctive memory.
- To determine if the hippocampus is essential for precise cognitive judgments.
Main Methods:
- Visual working memory tasks with continuous response components were administered.
- A patient with severe bilateral hippocampal damage (Jon) and healthy controls participated.
- Performance was assessed for conjunctive memory, categorical accuracy, and continuous precision.
Main Results:
- The patient with hippocampal damage showed no impairment in working memory binding.
- The patient accurately judged conjunctions of color and orientation or color and location.
- No deficits were observed in categorical accuracy or continuous precision.
Conclusions:
- Severe hippocampal damage does not invariably lead to deficits in high-resolution cognitive performance.
- The findings challenge the necessity of the hippocampus for precise working memory binding and continuous judgments.
Related Concept Videos
01:19Role of Hippocampus in Memory
511
The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
511
01:24Working Memory
439
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
439
01:13Amnesia
188
Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
The severity and duration of memory loss vary depending on the type and underlying cause. Amnesia is classified into two main types: retrograde and anterograde.
Retrograde amnesia is marked by the loss of memories formed before the onset of the condition. Patients may recall distant past events but often forget those occurring shortly before the incident.
Anterograde...
188
01:14Role of Cerebellum and Prefrontal Cortex in Memory
567
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
567
01:26Higher Mental Functions of Brain: Learning and Memory
961
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
961