Stephen David Research in Theoretical Neuroscience

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Neuroscience: Podcasts for Sleep without Pills or Medications?

Neuroscience: Podcasts for Sleep without Pills or Medications?

There is a recent article, Improve Your Sleep with These Simple Steps, as part of the efforts for the National Sleep Month, this March, with recommendations from experts at UAB's Marnix E. Heersink School of Medicine, stating that, "Sleep does not reward effort. It is an involuntary behavior and cannot be forced. Sleep is like landing a plane. You have to gradually get to a place where you are relaxed enough to fall asleep.”

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Brain Science | Genetics: Would the Connectome Cure Mental Illness?

Brain Science | Genetics: Would the Connectome Cure Mental Illness?

There is a recent paper, The Connectome of an Insect Brain, submitting a 12-year effort to map the brain of the larval fruit fly, Drosophila melanogaster, showing "3,016 neurons and 548,000 synapses." The high-resolution imaging project was useful to "identifying neuron types, network hubs and circuit motifs."

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Neurobiology: The Consciousness of Organoids, Biocomputers and Artificial Intelligence

Neurobiology: The Consciousness of Organoids, Biocomputers and Artificial Intelligence

There is a recent article, Calm Down. There is No Conscious A.I., making the case that recent advances in artificial intelligence do not make them conscious, since the models do not have feelings, subjective experience and so on. There is another recent article, Scientists Are Growing Mini Brains in the Lab. Are They ... Conscious?, discussing likelihoods for the consciousness of brain Organoids and the ethics.

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 Neuroscience: Does Thought or Memory Require Language?

Neuroscience: Does Thought or Memory Require Language?

Language is a property of the human mind, conceptually.

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Brain Science: Psychedelic Research Skips the Mind for Mental Health

Brain Science: Psychedelic Research Skips the Mind for Mental Health

There is a recent paper, Psychedelics Promote Neuroplasticity Through the Activation of Intracellular 5-HT2A Receptors, on the mechanism underlying psychedelic action for dendritic growth of neurons in the cortex. The study "emphasizes the role of location bias in 5-HT2AR signaling, identifies intracellular 5-HT2ARs as a therapeutic target, and raises the intriguing possibility that serotonin might not be the endogenous ligand for intracellular 5-HT2ARs in the cortex."

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