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Related Concept Videos

Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

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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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Working Memory01:24

Working Memory

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Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
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Information Processing Approach01:30

Information Processing Approach

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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

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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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Related Experiment Video

Updated: Nov 14, 2025

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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Hippocampal functional connectivity development during the first two years indexes 4-year working memory performance.

Janelle Liu1, Yuanyuan Chen1, Rebecca Stephens2

  • 1Biomedical Imaging Research Institute, Department of Biomedical Sciences, and Imaging, Cedars-Sinai Medical Center, Los Angeles, CA, USA.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|March 10, 2021
PubMed
Summary

Infant hippocampal functional connectivity develops rapidly in the first year, connecting to key brain networks. This early brain development predicts later working memory abilities in children.

Keywords:
ConnectivityDevelopmentHippocampusInfantWorking memory

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Area of Science:

  • Neuroscience
  • Developmental Neuroscience
  • Cognitive Neuroscience

Background:

  • The hippocampus is crucial for learning and memory.
  • Hippocampal connectivity development in infants is not well understood.
  • Understanding early development is key to cognitive function.

Purpose of the Study:

  • To examine the longitudinal development of hippocampal functional connectivity in infants.
  • To investigate the relationship between early hippocampal connectivity and later working memory.
  • To identify critical periods for hippocampal circuit development.

Main Methods:

  • Resting-state fMRI (rsfMRI) was used on 202 infants at 3 weeks, 1 year, and 2 years.
  • Longitudinal and cross-sectional analyses examined hippocampal connectivity changes.
  • Multivariate modeling assessed the link between connectivity and working memory at age 4.

Main Results:

  • Neonatal hippocampus showed local connectivity; significant maturation occurred by 1 year, connecting to Default Mode Network (DMN) regions.
  • Adult-like hippocampal connectivity patterns were established by the end of the first year and consolidated by age 2.
  • Early hippocampal connectivity (cross-sectional and longitudinal) predicted 4-year working memory performance.

Conclusions:

  • Hippocampal functional connectivity undergoes significant development in the first year of life.
  • Early hippocampal circuit maturation is linked to later working memory capacity.
  • This study provides insights into the developmental trajectory of brain networks supporting cognition.