Interesting Pre-Prints for the Week of 12/13/2021
Preserved representations and decodability of diverse cognitive functions across the cortex, cerebellum, and subcortexIt feels strange to me at this point that cortically biased processing is still so predominant in neuroscientific thinking. There’s something I’m not understanding in the avoidance of this I need to figure out.Comparing Brain Asymmetries Independently of Brain SizeLike this interesting …
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Interesting Journal Articles for the week of 12/13/2021
Listening in the Moment: How Bilingualism Interacts With Task Demands to Shape Active Listening This suggests to me that bilingualism requires more brainstem participation in language. An upside-down binding mode to treat psychosis Agonism of the D1 will ultimately strengthen hippocampal CA1 strength, with the circuit ultimately increasing stimulation to the dorsal raphe in the …
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Interesting Journal Articles for the week of 12/6/2021
Timescales of Local and Cross-Area Interactions during Neuroprosthetic Learning Dorsal/Ventral, blah blah? The ventral stream travels a “slower” route, resulting in the time delay. Dissect Relationships Between Gene Co-expression and Functional Connectivity in Human Brain There are many different phenotypes of naturally occurring brain construction. The psychiatric concept of “normal or disordered” pathologizes many of …
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Interesting Pre-Prints for the week of 12/6/2021
Trial-by-trial fluctuations in amygdala activity track motivational enhancement of desirable sensory evidence during perceptual decision-making The amygdala complex is a valence processing center, it tries to match the salience signal with an appropriate level of response based on external stimuli. This study supports this model by demonstrating level of engagement being activation dependent. Brain-wide neural …
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Who wrote the software running in your head?
Who wrote the software running in your head?Are you sure you actually want it there? Normally the idea of quoting “famous” people is appealing as a root canal with no anesthetic, but this tweet by Elon Musk sums up so much about neurology and brains in general. For humans especially, conspecific behavioral training begins from …
Interesting Journal Articles for the week of 11/29/2021
Age-related changes of color visual acuity in normal eyes This is less interesting than funny, and kind of a forehead slapper. Color perception changes with age. For all the philosophical wankery that goes on over the experience of color, realizing that none of the colors we “experience” are ever actually the same is kind of …
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Interesting Pre-Prints for the week of 11/29/2021
https://www.biorxiv.org/content/10.1101/2021.11.26.468907 A null hypothesis for the current model is no evidence of balanced homeostatic systems in the brain. This means all cortical, limbic, basal, etc circuits must have an equivalent partner in the brainstem and cerebellum. My prior assumption was that was that place and direction equivalents were functions of the cerebellar DCN’s. This study …
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Speculation Corner: Psychosis
I recently got interested in this topic because it seems like the most acute of the “mental health” conditions that we need to address before we can start moving toward a healthier brain model. My general understanding of psychosis is that it’s an artifact of hippocampal complex function, particularly either dentate gyrus or the CA2<->CA3 …