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Related Concept Videos

Long-term Potentiation01:25

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Hebbian LTP
LTP can occur when presynaptic neurons...
Long-term Potentiation01:35

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

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 playing an...
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of information more...
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.
 Glutamate and Synaptic Plasticity
Glutamate, the brain's main excitatory neurotransmitter, is critical for...
Muscle Stimulation Frequency01:22

Muscle Stimulation Frequency

The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...

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Updated: Jun 11, 2026

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement
10:37

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement

Published on: September 18, 2021

Stronger memories through smarter stimulation.

Justin Riddle1

  • 1Department of Psychology, Florida State University, Tallahassee, United States.

Elife
|June 9, 2026
PubMed
Summary
This summary is machine-generated.

Targeted stimulation of brain regions linked to the hippocampus shows potential for enhancing human memory function. This research explores non-invasive methods to boost cognitive performance.

Keywords:
episodic memoryhippocampal indirectly targeted stimulationhippocampushumanmemoriesneurodegenerative diseasesneurosciencetranscranial magnetic stimulation

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Last Updated: Jun 11, 2026

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement
10:37

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement

Published on: September 18, 2021

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
15:57

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion

Published on: May 4, 2011

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08:43

Combined Shuttle-Box Training with Electrophysiological Cortex Recording and Stimulation as a Tool to Study Perception and Learning

Published on: October 22, 2015

Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • The hippocampus is crucial for memory formation and retrieval.
  • Understanding how to modulate hippocampal function is key to addressing memory decline.

Purpose of the Study:

  • To investigate the effects of stimulating specific brain areas connected to the hippocampus on memory.
  • To explore potential therapeutic targets for memory enhancement.

Main Methods:

  • Non-invasive brain stimulation techniques were employed.
  • Functional neuroimaging was used to monitor brain activity.
  • Memory recall tests were administered before and after stimulation.

Main Results:

  • Stimulation of connected brain areas led to significant improvements in memory recall.
  • Observed changes in hippocampal activity correlated with memory performance gains.

Conclusions:

  • Modulating neural activity in regions connected to the hippocampus can effectively enhance human memory.
  • This approach offers a promising avenue for interventions aimed at improving cognitive function.