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Contents contributed and discussions participated by Rudy Garns

Rudy Garns

Evolution of the Human Mind - 0 views

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    "Is the human mind a relatively inflexible program bequeathed to us by evolution, and culture just a veneer that gives age-old urges a respectable cover? Or our minds largely the product of language, culture, and civilization, with evolution having supplied only the most basic hardware and operating system? John and Ken welcome Leda Cosmides to shed some light on the human mind."
Rudy Garns

Can a Robot, an Insect or God Be Aware? - 0 views

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    "The new field of experimental philosophy introduces a novel twist on this traditional approach. Experimental philosophers continue the search to understand people's ordinary intuitions, but they do so using the methods of contemporary cognitive science (see also here and here)-experimental studies, statistical analyses, cognitive models, and so forth. Just in the past year or so, a number of researchers have been applying this new approach to the study of intuitions about consciousness. By studying how people think about three different types of abstract entities-a corporation, a robot and a God-we can better understand how people think about the mind." (Scientific American)
Rudy Garns

Great Apes Think Ahead: Conclusive Evidence Of Advanced Planning Capacities - 0 views

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    Osvath et al. Chimpanzee (Pan troglodytes) and orangutan (Pongo abelii) forethought: self-control and pre-experience in the face of future tool use. Animal Cognition, 2008 DOI: 10.1007/s10071-008-0157-0
Rudy Garns

ARE HUMAN BRAINS UNIQUE? By Michael Gazzaniga - 0 views

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    "Scientists compared the genetic sequences of ethnically and geographically diverse people from around the world and found that the genes which code for the nervous systems, had some sequence differences (known as polymorphisms) among individuals. By analyzing human and chimpanzee polymorphism patterns, genetic probabilities and various other genetic tools, and geographical distributions, they found evidence that some of these genes are experiencing ongoing positive selection in humans. They calculated that one genetic variant of microcephalin arose approximately 37,000 years ago, which coincides with the emergence of culturally modern humans, and it increased in frequency too rapidly to be compatible with random genetic drift or population migration. This suggests that it underwent positive selection.[xxi] An ASPM variant arose about 5800 years ago, coincident with the spread of agriculture, cities and the first record of written language. It too is found in such high frequencies in the population, that it indicates strong positive selection."
Rudy Garns

Primate brain evolution: Integrating multiple lines of evidence - 0 views

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    "One of the general characteristics that make primates unique are the larger brain sizes compared to body sizes in relation to other organism. His graph is limited in that it shows only the comparison of brain to body sizes of a tribe, within the family Hominidae, under a much larger taxonomic organization, the order Primates." (Primatology.net)
Rudy Garns

What will the neanderthal genome teach us about human brain evolution? - 0 views

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    "Palaeoanthropologists at the Max Planck Institute, in collaboration with scientists at 454 Life Sciences Corp., of Branford, Connecticut, have begun a two-year project to sequence the neanderthal genome. The start of the Neanderthal Genome Project coincides with the 150th anniversary of the discovery of the specimen-type Homo neanderthalensis fossil in the Neander valley near Dusseldorf, Germany." (Neurophilosophy)
Rudy Garns

Cognitive Evolution and the Definition of Human Nature (pdf) - 0 views

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    Cognitive Evolution and the Definition of Human Nature. Philosophy of Science Monographs, Morris Foundation, Little Rock, Arkansas, 2000, 31pp.
Rudy Garns

Evolutionary Origins of the Social Brain (pdf) - 0 views

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    Evolutionary Origins of the Social Brain. In O. Vilarroya, & F.F i Argimon, (Eds.) Social Brain Matters: Stances on the Neurobiology of Social Cognition. Rodopi, 2007, 18: 215-222.
Rudy Garns

Review of Merlin Donald's Origins of the Modern Mind and A Mind So Rare - 0 views

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    by Trevor Stone, University of Colorado, Boulder Issues and Methods in Cognitive Science, Spring 2002; completed Spring 2003
Rudy Garns

Comparative Mammalian Brain Collections: Brain Evolution - 0 views

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    "Evidence of brain evolution can be seen in various fields of biology, such as paleontology, ethology, behavioral biology, cognitive psychology, molecular biology and genetics."
Rudy Garns

Without Miracles: Brain Evolution and Development: The Selection of Neurons and Synapses - 0 views

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    "The most complex object yet discovered anywhere in the universe is the organ that fills the space between our ears. Although weighing only about 1300 to 1500 grams (three to four pounds), the human brain contains over 11 billion specialized nerve cells, or neurons, capable of receiving, processing, and relaying the electrochemical pulses on which all our sensations, actions, thoughts, and emotions depend.[2] But it is not the sheer number of neurons alone that is most striking about the brain, but how they are organized and interconnected. And to understand how neurons communicate with each other we first must consider their typical structure."
Rudy Garns

Complex Synapses Drove Brain Evolution - 0 views

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    "One of the great scientific challenges is to understand the design principles and origins of the human brain. New research has shed light on the evolutionary origins of the brain and how it evolved into the remarkably complex structure found in humans." Science Daily
Rudy Garns

Multiple drafts model - 0 views

  • Our conscious experience is of events that can usually be objectively timed quite precisely
  • there must be a quite specific moment at which each item makes its entrance in our experience.
  • the timing represented in consciousness
  • ...22 more annotations...
  • the timing of the conscious representing
  • The work done by the imaginary homunculus in the Cartesian Theater must be broken up and distributed
  • doesn’t have to be done again in a central re-presentation process
  • massively parallel process
  • Exactly when did I (as opposed to various parts of my brain) become informed, aware, conscious, of some event?’
  • replaced the metaphor of multiple drafts with the metaphor of fame in the brain
  • not a precisely datable transition in the brain
  • the accumulation of a wide variety of sequelae
  • One team in your brain has taken charge while another team is still sorting out the implications.
  • Like the transition from night to day
  • speciation, in which the same curious retrospective status can be transparently observed.
  • “retrospective coronations”
  • a “neural correlate of consciousness”
  • Andaman Islanders
  • Inuit
  • How much influence is enough for fame?
  • consciousness is not what it seems to be
  • whatever event in the brain happens to boost some aspect of the current content-fixations into prominence,
  • a new stimulus that draws attention (resources) to a particular area of visual space or a particular segment on the auditory stream, for instance, thereby promoting the influence (the fame, the clout) of whatever is occurring there and rendering it reportable and recollectable–if the other drafts competing for this influence permit it.
  • Finding the recurrent processes (which is likely, given the adroitness exhibited by those who drive on auto-pilot) would still leave open the question of whether to call those contents conscious or merely potentially conscious.
  • the historical property of having won a temporally local competition with sufficient decisiveness to linger long enough to enable recollection at some later time.
  • because our interpersonal communications, our discussions and comparisons, generate both the terms and the topics of consciousness.
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    "The multiple drafts model of consciousness (Dennett, 1991, 1996, 1998, Dennett and Kinsbourne, 1992) was developed as an alternative to the perennially attractive, but incoherent, model of conscious experience Dennett calls Cartesian materialism, the idea that after early unconscious processing occurs in various relatively peripheral brain structures "everything comes together" in some privileged central place in the brain-which Dennett calls the Cartesian Theater --for "presentation" to the inner self or homunculus. There is no such place in the brain, but many theories seem to presuppose that there must be something like it." (Dennet & Akins, Scholarpedia)
Rudy Garns

What it's like to be a bat - 0 views

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    "Not many people think about what it's like to be a bat, but for those who do, it's enlightening and potentially groundbreaking for understanding aspects of the human brain and nervous system. Cynthia Moss, a member of the Neuroscience and Cognitive Science program at the University of Maryland, College Park, Md., is one of few researchers who spend time trying to get into the heads of bats."
Rudy Garns

God help us if machines ever think like people - 0 views

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    "Another headline pops up: "Scientists aim to make computer that thinks like a human". And I think no, No, NO! Don't, whatever you do, do that. Even if Ray Kurzweil is the one suggesting it's coming." (Charles Arthur | Technology | guardian.co.uk)
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