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Scindapsus Aureus Resistive Random-Access Memory with Synaptic Plasticity and Sound Localization Function.

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Title: Scindapsus Aureus Resistive Random-Access Memory with Synaptic Plasticity and Sound Localization Function.
Authors: Wang, Lu1 (AUTHOR) wanglu@hlju.edu.cn, Xie, Jiachu1 (AUTHOR), Su, Wantao1 (AUTHOR), Du, Zhenjie1 (AUTHOR), Zhang, Mingzhu1 (AUTHOR)
Source: Nanomaterials (2079-4991). May2025, Vol. 15 Issue 9, p659. 14p.
Subjects: Interaural time difference, Auditory pathways, Directional hearing, Auditory perception, Acoustic localization, Neuroplasticity
Abstract: This work presents a memristive device based on a composite of Scindapsus aureus (SA) and gold nanoparticles (Au NPs), which exhibits excellent resistive switching characteristics and supports multiple forms of synaptic plasticity such as paired-pulse facilitation (PPF), spike-rate-dependent plasticity (SRDP), and spike-timing-dependent plasticity (STDP). The device demonstrates reliable retention, reproducibility, and switching stability. The SA:Au NP composite originates from a natural plant source and possesses green, biodegradable, and biocompatible features, highlighting its potential as a sustainable bio-memristive material for neuromorphic systems. Furthermore, the device exhibits sensitivity to the time interval between paired input pulses, simulating the neural response to interaural time differences (ITDs) in the auditory system. Although not a conventional acoustic sensor, its Δt-responsiveness based on synaptic behavior reveals promising potential in neuromorphic auditory perception and perceptual computing applications. This study provides a foundational synaptic unit for future artificial hearing systems capable of spatial sound localization. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Scindapsus Aureus Resistive Random-Access Memory with Synaptic Plasticity and Sound Localization Function.
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. May2025, Vol. 15 Issue 9, p659. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Interaural+time+difference%22">Interaural time difference</searchLink><br /><searchLink fieldCode="DE" term="%22Auditory+pathways%22">Auditory pathways</searchLink><br /><searchLink fieldCode="DE" term="%22Directional+hearing%22">Directional hearing</searchLink><br /><searchLink fieldCode="DE" term="%22Auditory+perception%22">Auditory perception</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+localization%22">Acoustic localization</searchLink><br /><searchLink fieldCode="DE" term="%22Neuroplasticity%22">Neuroplasticity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This work presents a memristive device based on a composite of Scindapsus aureus (SA) and gold nanoparticles (Au NPs), which exhibits excellent resistive switching characteristics and supports multiple forms of synaptic plasticity such as paired-pulse facilitation (PPF), spike-rate-dependent plasticity (SRDP), and spike-timing-dependent plasticity (STDP). The device demonstrates reliable retention, reproducibility, and switching stability. The SA:Au NP composite originates from a natural plant source and possesses green, biodegradable, and biocompatible features, highlighting its potential as a sustainable bio-memristive material for neuromorphic systems. Furthermore, the device exhibits sensitivity to the time interval between paired input pulses, simulating the neural response to interaural time differences (ITDs) in the auditory system. Although not a conventional acoustic sensor, its Δt-responsiveness based on synaptic behavior reveals promising potential in neuromorphic auditory perception and perceptual computing applications. This study provides a foundational synaptic unit for future artificial hearing systems capable of spatial sound localization. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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    Identifiers:
      – Type: doi
        Value: 10.3390/nano15090659
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 659
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      – SubjectFull: Interaural time difference
        Type: general
      – SubjectFull: Auditory pathways
        Type: general
      – SubjectFull: Directional hearing
        Type: general
      – SubjectFull: Auditory perception
        Type: general
      – SubjectFull: Acoustic localization
        Type: general
      – SubjectFull: Neuroplasticity
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      – TitleFull: Scindapsus Aureus Resistive Random-Access Memory with Synaptic Plasticity and Sound Localization Function.
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            NameFull: Wang, Lu
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            NameFull: Xie, Jiachu
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            NameFull: Su, Wantao
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            NameFull: Du, Zhenjie
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            NameFull: Zhang, Mingzhu
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            – D: 01
              M: 05
              Text: May2025
              Type: published
              Y: 2025
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            – TitleFull: Nanomaterials (2079-4991)
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