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Related Concept Videos

Hydrogen Bonds01:04

Hydrogen Bonds

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A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
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Hydrogen Bonds00:26

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Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
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Neuroplasticity01:01

Neuroplasticity

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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
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Long-term Potentiation01:35

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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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Long-term Potentiation01:25

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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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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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Related Experiment Video

Updated: Apr 25, 2026

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording
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Neural Plasticity and Memory: Is Memory Encoded in Hydrogen Bonding Patterns?

Zareen Amtul1, Atta-Ur Rahman2

  • 1Department of Psychiatry, University of Western Ontario, London, Ontario, Canada H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan zamtul@uwo.ca.

The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry
|August 30, 2014
PubMed
Summary

Hydrogen bonding patterns in biomolecules are proposed as a key molecular mechanism for both short-term and long-term memory storage. This model suggests synaptic activity refines these patterns, maintaining neural plasticity.

Keywords:
glycoproteinhydrogen bondlong-term potentiationmemory encodingsynaptic plasticity

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Recording Synaptic Plasticity in Acute Hippocampal Slices Maintained in a Small-volume Recycling-, Perfusion-, and Submersion-type Chamber System
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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Biochemistry

Background:

  • Current memory storage models identify posttranslational modification and mRNA translation as crucial.
  • The precise molecular mechanisms underlying memory formation remain incompletely understood.
  • Synaptic plasticity is fundamental to learning and memory.

Purpose of the Study:

  • To propose a novel molecular model for memory storage based on hydrogen bonding.
  • To elucidate the role of hydrogen bond networks in synaptic plasticity.
  • To stimulate further research into the molecular underpinnings of neuronal connectivity.

Main Methods:

  • Comprehensive literature review of molecular mechanisms in synaptic plasticity.
  • Theoretical modeling of hydrogen bonding networks in biomolecules at the synapse.
  • Analysis of existing data on posttranslational modifications and mRNA translation in memory.

Main Results:

  • A proposed model where hydrogen bonding patterns in biomolecules (e.g., glycoproteins, DNA) at the synapse are critical for memory.
  • Nonrandom synaptic activity acts as a positive-feedback mechanism, revising hydrogen bond configurations.
  • This process is suggested to maintain synaptic elasticity, enabling continuous network adaptation.

Conclusions:

  • Hydrogen bonding networks represent a vital molecular mechanism for both short-term and long-term memory storage.
  • Synaptic activity plays a crucial role in dynamically regulating these hydrogen bond networks.
  • Further investigation at molecular and chemical levels is needed to fully elaborate neuronal connectivity in memory processes.