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Related Concept Videos

Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

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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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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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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.
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Related Experiment Video

Updated: May 17, 2025

Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
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Short-term memory retrieval enhances brain functional connectivity.

Fanglei Duan1, Xiangyu Yan2, Jing Wang3

  • 1Department of Pathology, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China.

Frontiers in Behavioral Neuroscience
|May 15, 2025
PubMed
Summary
This summary is machine-generated.

Short-term memory relies on brain connectivity and blood oxygenation. Enhanced functional connectivity in key cortical regions and higher heart rates correlate with better memory performance in students.

Keywords:
cognitive neurosciencefNIRS (functional near infrared spectroscopy)functional connectivityshort-term memoryworking memoryyoung adults

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Biomedical Engineering

Background:

  • Short-term memory involves intricate processes of perception, formation, and execution.
  • The underlying neural mechanisms of short-term memory remain incompletely understood.

Purpose of the Study:

  • To investigate the neural mechanisms of short-term memory formation, storage, and execution.
  • To explore the relationship between cortical activity, functional connectivity, and short-term memory performance.

Main Methods:

  • Functional near-infrared spectroscopy (fNIRS) measured cortical hemoglobin changes in 41 college students during memory tasks.
  • Facial expressions and vital signs were recorded in real-time to assess physiological responses.

Main Results:

  • Heightened activity and enhanced functional connectivity were observed in the inferior prefrontal gyrus, visual association cortex, pre-motor cortex, and supplementary motor cortex.
  • Superior short-term memory performance correlated with lower negative emotional expressions and higher heart rates.
  • Inter-group differences in brain activity decreased over time, suggesting adaptation.

Conclusions:

  • Cortical interconnectivity and adequate cerebral blood oxygenation are crucial for short-term memory capacity.
  • Findings suggest educational strategies focusing on attention, memory training, and integration can improve memory skills.