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Related Concept Videos

Implicit Memories01:24

Implicit Memories

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Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
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Cognitive Learning01:21

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Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
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Higher Mental Functions of Brain: Learning and Memory01:26

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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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Role of Neurotransmitters in Memory01:23

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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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Generalization, discrimination, and extinction are key concepts in operant conditioning that influence how behaviors are learned and maintained.
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Epigenetic Regulation01:46

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Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
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Epigenetic mechanisms regulate cue memory underlying discriminative behavior.

Andrea Shang1, Kasia M Bieszczad2

  • 1Dept. of Psychology - Behavioral and Systems Neuroscience, Rutgers University - New Brunswick, 152 Frelinghuysen Road, Piscataway, NJ 08854, USA.

Neuroscience and Biobehavioral Reviews
|August 12, 2022
PubMed
Summary
This summary is machine-generated.

Neuroepigenetics uses chromatin modifications, like DNA methylation, to link experiences with brain function. This process is crucial for forming long-term memories from sensory information.

Keywords:
BehaviorCue memoryDNA methylationEpigeneticsHistone acetylationLearningMemoryNeurophysiologyNeuroplasticityNeuroscienceSensory systems

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Area of Science:

  • Neuroscience
  • Epigenetics
  • Memory Research

Background:

  • Neuroepigenetics explores how environmental factors influence brain function through epigenetic mechanisms.
  • Chromatin modification, including histone acetylation and DNA methylation, plays a vital role in regulating gene expression in the brain.
  • These epigenetic processes are essential for converting experiences into long-term memories.

Purpose of the Study:

  • To review emerging evidence on the role of epigenetic regulation in sensory memory.
  • To highlight how epigenetic mechanisms facilitate precise memory recall from sensory experiences.
  • To underscore the importance of chromatin modifications in neuroplasticity and memory formation.

Main Methods:

  • Review of current literature on neuroepigenetics and sensory memory models.
  • Analysis of studies investigating chromatin modifications in the brain.
  • Synthesis of evidence linking epigenetic regulation to activity-dependent transcription in sensory systems.

Main Results:

  • Epigenetic regulation of activity-dependent transcription in the sensory brain is key for precise memory recall.
  • Chromatin modifications enable the long-term recapitulation of neurophysiological responses to transient sensory cues.
  • Epigenetic control of sensory neuroplasticity regulates the retention of sensory information in long-term memories.

Conclusions:

  • Epigenetic mechanisms are fundamental to transforming sensory experiences into lasting memories.
  • Chromatin modifications are critical for the brain to retain and recall specific sensory information.
  • Understanding neuroepigenetics offers insights into how sensory cues guide behavior through memory formation.