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Related Concept Videos

Amnesia01:13

Amnesia

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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...
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Role of Hippocampus in Memory01:19

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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...
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Role of Cerebellum and Prefrontal Cortex in Memory01:14

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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...
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Higher Mental Functions of Brain: Learning and Memory01:26

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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...
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Related Experiment Video

Updated: Feb 17, 2026

The Double-H Maze: A Robust Behavioral Test for Learning and Memory in Rodents
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Rehabilitation in severe memory deficit: A case study.

Nariana Mattos Figueiredo Sousa1

  • 1Neuropsicóloga. Psicóloga Hospitalar do Programa de Reabilitação Neurológica da Unidade Salvador da Rede Sarah de Hospitais de Reabilitação.

Dementia & Neuropsychologia
|December 8, 2017
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Summary

This case study highlights severe amnesia in a patient with malnutrition-induced encephalopathy. Preserved cognitive functions aided memory rehabilitation, but constant external monitoring remained essential.

Keywords:
amnesianeuropsychological testsrehabilitation

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Area of Science:

  • Neurology
  • Cognitive Neuroscience
  • Rehabilitation Medicine

Background:

  • Amnesia is a memory disorder impacting learning more than other cognitive functions, without altered consciousness.
  • Caloric-protein malnutrition can lead to encephalopathy, potentially causing severe cognitive deficits.
  • Neurological rehabilitation aims to improve cognitive functions and implement compensatory strategies.

Observation:

  • A patient (VJA) presented with severe amnesia following abdominal surgeries and malnutrition-induced encephalopathy.
  • The case involved a descriptive analysis of rehabilitation goals and limitations of memory aids.
  • Intervention included individual and group activities to address mnemonic deficits.

Findings:

  • The patient showed improved recall with task repetition during the intervention program.
  • Despite improvements, VJA required continuous external monitoring to manage memory deficits.
  • The study identified factors limiting the implementation and effectiveness of memory aids.

Implications:

  • Preserved cognitive functions can partially compensate for severe mnemonic deficits in amnesia.
  • External monitoring and structured support are crucial for patients with significant memory impairments.
  • Longitudinal follow-up is necessary to evaluate the long-term efficacy of rehabilitation strategies for amnesia.