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Related Concept Videos

Role of Neurotransmitters in Memory01:23

Role of Neurotransmitters in Memory

Neurotransmitters are integral to the brain's communication system, enabling neurons to transmit signals across synapses. This chemical exchange underpins various cognitive functions, including memory processes. The role of neurotransmitters in memory is multifaceted, influencing the encoding, consolidation, and retrieval of memories through their action on different neural circuits.
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Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists

Cognitive enhancers, also known as "smart drugs," are substances used to enhance memory, mental alertness, and concentration. These can be natural or synthetic and improve cognition in conditions like Alzheimer's disease (AD) and other neurodegenerative diseases. Some common examples include caffeine, amphetamines, methylphenidate, modafinil, arecoline, donepezil, vortioxetine, and piracetam. These enhancers work on the principle of synaptic plasticity and altered circuit function. They...
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Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
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The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
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Related Experiment Video

Updated: Jun 3, 2026

BS3 Chemical Crosslinking Assay: Evaluating the Effect of Chronic Stress on Cell Surface GABAA Receptor Presentation in the Rodent Brain
05:17

BS3 Chemical Crosslinking Assay: Evaluating the Effect of Chronic Stress on Cell Surface GABAA Receptor Presentation in the Rodent Brain

Published on: May 26, 2023

Glucocorticoids act on glutamatergic pathways to affect memory processes.

Carmen Sandi1

  • 1Laboratory of Behavioral Genetics, Brain Mind Institute, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland. carmen.sandi@epfl.ch

Trends in Neurosciences
|March 8, 2011
PubMed
Summary

Glucocorticoids impact memory by interacting with glutamatergic mechanisms. This interaction offers a model explaining how these hormones directly influence cognitive functions and memory processes.

Related Experiment Videos

Last Updated: Jun 3, 2026

BS3 Chemical Crosslinking Assay: Evaluating the Effect of Chronic Stress on Cell Surface GABAA Receptor Presentation in the Rodent Brain
05:17

BS3 Chemical Crosslinking Assay: Evaluating the Effect of Chronic Stress on Cell Surface GABAA Receptor Presentation in the Rodent Brain

Published on: May 26, 2023

Area of Science:

  • Neuroscience
  • Endocrinology
  • Cognitive Psychology

Background:

  • Glucocorticoids are known to acutely influence memory, exhibiting both facilitative and impairing effects.
  • Emerging research highlights the interaction between glucocorticoids and glutamatergic systems in modulating learning and memory.

Purpose of the Study:

  • To explore the glutamatergic pathways affected by glucocorticoids in memory modulation.
  • To propose a model of glucocorticoid-glutamatergic interactions in information processing to explain diverse cognitive effects.

Main Methods:

  • Review and synthesis of existing literature on glucocorticoid and glutamatergic mechanisms in memory.
  • Theoretical modeling of glucocorticoid-glutamatergic interactions.

Main Results:

  • Identification of specific glutamatergic pathways modulated by glucocorticoids.
  • A proposed model where glucocorticoid-glutamatergic interactions during information processing explain varied cognitive effects.

Conclusions:

  • Glucocorticoid-mediated modulation of glutamatergic pathways is a key mechanism influencing cognitive functions.
  • The proposed interaction model provides a framework for understanding glucocorticoid actions on memory and cognition.