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Are any areas of the brain always silent? 


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There is evidence from various studies that suggest the existence of neurons in the brain that are sparsely active or silent . These neurons are difficult to detect using common methods of monitoring neural activity, such as extracellular electrode recording. They are referred to as "dark neurons" because they are undetectable, similar to the concept of dark matter in astrophysics . Additionally, a novel algorithm has been developed to detect regions of silence in the brain using electroencephalography (EEG) signals. This algorithm estimates the silence region by determining the contribution of each source in the recorded signals and detects sources with reduced contribution as silences in the brain . This algorithm has shown promising results in detecting and localizing regions of silence in the brain using EEG data . However, it is important to note that these studies focus on the existence of silent neurons or regions of silence, rather than identifying specific areas of the brain that are always silent.

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Open accessJournal ArticleDOI
30 Mar 2021
3 Citations
The provided paper does not explicitly mention whether there are any areas of the brain that are always silent.
Open accessJournal Article
KennethRockwood, GordonGubitz 
01 Nov 2008-Stroke
The paper does not directly answer the question about whether any areas of the brain are always silent. The paper discusses silent cerebral infarction and the interplay between vascular risk factors and adverse events.
Proceedings ArticleDOI
Alireza Chamanzar, Pulkit Grover 
01 Mar 2019
5 Citations
The paper does not explicitly mention if there are any areas of the brain that are always silent.
The paper mentions that interneurons and cerebellar Purkinje cells are active most or all of the time, suggesting that not all areas of the brain are always silent.
The paper does not mention any specific areas of the brain that are always silent. The paper is about the human prefrontal cortex and its functions and connectivity.

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