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Quote by Mehmet Murat Ildan

“If you have an independent mind, that is, if you are someone who believes and trusts your own mind so much that you do not take orders from anyone, from an ideology, from an institution, from a religion or from an association and hates to obey, it is a great honour for you!”

Quote by Mehmet Murat Ildan

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Mehmet Murat Ildan
Mehmet Murat Ildan

Mehmet Murat Ildan is a renowned Turkish writer born on May 16, 1965. His works span various literary forms including novels, essays, and poetry, and have gained widespread popularity among readers. more

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“American writer and biologist Frederick Kenyon (1867-1941) was the first to explore the inner workings of the bee brain. His 1896 study, in which he managed to dye and characterize numerous types of nerve cells of the bee brain, was, in the words of the world's foremost insect neuroanatomist, Nick Strausfeld, 'a supernova.' Not only did Kenyon draw the branching patterns of various neuron types in painstaking detail, but he also high­lighted, for the first time in any organism, that these fell into clearly identifi­able classes, which tended to be found only in certain areas of the brain. One such type he found in the mushroom bodies is the Kenyon cells, named in his honor. Their cell bodies -- the part of the neuron that con­tains the chromosomes and the DNA -- decoding machinery -- are in a peripheral area enclosed by the calyx of each mushroom body (the mush­room's 'head'), with a few additional ones on the sides of or underneath the calyces. A finely arbored dendritic tree (the branched struc­ture that is a nerve cell's signal 'receiver') extends into the mushroom body calyx, and a single axon (the neuron's 'information-sending output cable') extends from each cell into the mushroom body pedunculus (the mushroom's 'stalk'). Extrapolating from just a few of these characteristically shaped neu­rons that he could see, Kenyon suggested (correctly) that there must be tens of thousands of such similarly shaped cells, with parallel outputs into each mushroom body pedunculus. (In fact, there are about 170,000 Kenyon cells in each mushroom body.) He found neurons that connect the an­tennal lobes (the primary relays processing olfactory sensory input) with the mushroom body input region (the calyces, where the Kenyon cells have the fine dendritic trees) -- and even suggested, again correctly, that the mushroom bodies were centers of multisensory integration. Kenyon's 1896 brain wiring diagram [is a marvel]. It contains several classes of recognizable neuron types, with some suggestions for how they might be connected. Many neurons have extensions as widely branched as full­grown trees -- only, of course, much smaller. Consider that the drawing only shows around 20 of a honey bee brain's ~850,000 neurons. We now know that each neuron, through its many fine branches, can make up to 10,000 connection points (synapses) with other neurons. There may be a billion synapses in a honey bee's brain -- and, since the efficiency of synapses can be modified by experience, near-infinite possibility to alter the informa­tion flow through the brain by learning and memory. It is a mystery to me how, after the publication of such work as Kenyon's, anyone could have suggested that the insect brain is simple, or that the study of brain size could in any way be informative about the complexities of information pro­cessing inside a brain. Kenyon apparently suffered some of the anxieties all too familiar to many early-career researchers today. Despite his scientific accomplish­ments, he had trouble finding permanent employment, and moved be­tween institutions several times, facing continuous financial hardship. Eventually, he appears to have snapped, and in 1899 Kenyon was arrested for 'erratic and threatening behavior' toward colleagues, who subsequently accused him of insanity. Later that year, he was permanently confined to a lunatic asylum, apparently without any opportunity ever to rehabilitate himself, and he died there more than four decades later -- as Nick Strausfeld writes, 'unloved, forgotten, and alone.' It was not to be the last tragedy in the quest to understand the bee brain.”

MindBees
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“On average, men are more unrestricted and show higher-risk and sensation seeking; they are also lower in agreeableness, honesty-humility, and disgust sensitivity, particularly in the sexual domain (in constrast, there are only minor sex differences in impulsivity and conscientiousness). The reason is that these traits are crucially involved in the mating-parenting tradeoff, and males tend to invest in mating effort more than females even net of individual differences in life history strategies.”

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“To the extent that psychological mechanisms rely on information acquired through learning, they are vulnerable to maladaptive outcomes owing to the intrinsic limitations of learning processes. Indeed, the massive capacity for individual and social learning required to exploit the cognitive niche may contribute to explain our species' seemingly unique vulnerability to mental disorders.”

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Book:Evolutionary Psychopathology: A Unified Approach
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