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Alzheimer's disease is not my thing, but we live so much now that it's inevitable that the subject will end up being mentioned in other contexts. In circles that study the diversity of the nervous system and how the human brain compares to (or differs from) others, one statement

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As pointed out by physicist Alex Wissner-Gross, intelligent choices and actions are those that maximize future possible states, according to a simple equation that can be implemented in algorithms, such as Entropica, which indeed produce self-perpetuating behaviors that are, to

If behavior is defined simply as observable actions in a given context, then plants have behaviors, such as orienting themselves in relation to sunlight; single-celled organisms, such as bacteria, have behaviors, such as moving towards food and away from toxins. Even inanimate

Sabe aquela estória de que o papel dos nervos do estômago durante uma refeição é só informar ao cérebro sobre a chegada de comida, e saciar a fome? Acabou de ser enterrada por um neurocientista brasileiro. Ivan de Araujo está de volta com outro trabalho igualmente complicado e

Having to watch oneself in the presence of others is another major source of stress, and thus of anxiety - and one that only worsens over time, as we learn to read the inadvertent, undesired consequences of our words and actions on others, when we just stated the obvious and we

An American I already was, having been born in Brazil, South America. But now I’m also a US citizen, after eight years working in this country, the last five of which as a permanent resident. I didn’t expect it to be emotional, and I didn’t expect anything to change after the

Adoro ver a opinião científica evoluir, sequencialmente enterrando e ressuscitando ideias. Os fatos não mudam; o que muda é a maneira de olhar para os fatos e analisá-los, o que afeta radicalmente sua interpretação. Veja o caso da lua. Povos antigos, não-urbanos, atribuíam

Nervous systems, and brains in particular, add flexibility to behavior, making it much more than simple responses to events. Sure, responding (or not) is a behavior in itself. But when a nervous system is involved in organizing, shaping and eventually controlling the behavior,

People, I’m moving to threads, for reasons of exercising my right to choose to whom I bring my “business”. Please come see me there! I’m looking forward to interesting conversations in a platform that encourages that. Also: I VOTED!!! threads.net/@suzanahercula…

Adaptability is only part of the story: intelligence is the ability to act now for the maximum possible future There are several definitions of intelligence, generally focused on problem-solving and adaptability that lead to successful outcomes. One way to generalize all these

Some people ARE idiots, and that will not change Students laugh in surprise when I tell them that, like good sense and manners come with a PhD. Sadly, they don’t - and they are also not a requirement for earning the diploma. So: Some people ARE idiots, and will remain so no

The contagious excitation of a neuron is a signal: it represents an event by virtue of being correlated with it through cause and effect. The event represented, or signaled, may be en external event in the world, or simply the activation of the previous neuron that caused it,

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If the nervous system generates integrated behaviors in large multicellular creatures called animals, then defining behavior as any observable action means that understanding animal behavior requires understanding how a nervous system organizes actions. Subscribe to the Writings

A notícia: a 30 segundos da parada cardíaca, minutos após a última série de convulsões cerebrais, quando o coração já batia errado, comprometendo o abastecimento energético do cérebro, a atividade do cérebro do idoso, em vez de se dissipar, se converteu a ondas elétricas rápidas,

Um país exporta frangos. Começou só arrancando do chão o que o chão dava, servindo de quintal alheio. Mas desenvolveu tecnologia suficiente para chegar à idade agrícola, como outras civilizações dez mil anos mais velhas;  importou um pouco de educação, suficiente para formar uns

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