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Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

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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Related Experiment Video

Updated: May 25, 2026

Place and Response Learning in the Open-field Tower Maze
08:31

Place and Response Learning in the Open-field Tower Maze

Published on: October 28, 2015

Scopolamine and sustained retrieval from semantic memory.

M P Dunne1

  • 1Department of Psychiatry, University of Queensland, Clinical Sciences Building, Royal Brisbane Hospital, Herston, Queensland 4029 Australia.

Journal of Psychopharmacology (Oxford, England)
|January 28, 2012
PubMed
Summary
This summary is machine-generated.

Scopolamine did not impair memory retrieval from semantic categories in healthy adults. This suggests scopolamine

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Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
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Last Updated: May 25, 2026

Place and Response Learning in the Open-field Tower Maze
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Published on: October 28, 2015

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice
13:34

Assessment of Memory Function in Pilocarpine-induced Epileptic Mice

Published on: June 4, 2020

Area of Science:

  • Cognitive Neuroscience
  • Pharmacology

Background:

  • Scopolamine is an anticholinergic drug.
  • Its effects on memory retrieval are not fully understood.

Purpose of the Study:

  • To investigate the impact of scopolamine on continuous item retrieval from semantic categories.
  • To determine if scopolamine affects retrieval strategies.

Main Methods:

  • Two experiments were conducted using a continuous retrieval task.
  • Participants received 0.9 mg of oral scopolamine.
  • Retrieval strategies were manipulated in the second experiment.

Main Results:

  • Scopolamine increased item repetition but did not affect the total number of items retrieved.
  • No impairment in semantic category retrieval was observed, regardless of strategy.

Conclusions:

  • Scopolamine does not appear to impair retrieval from semantic memory in healthy young adults.
  • Findings suggest scopolamine's effects may be limited to information acquisition.