Nunca se esqueça
Psicologia 2 x Freud e psicanálise, 0
Do Yahoo! News:
Sigmund Freud developed a theory that victims of horrific events repressed difficult memories in order to cope with what happened to them.
But scientists at Dalhousie University in Halifax found in a five-year study that pleasant events were more difficult to recall than unhappy ones.
"I think it's quite obvious that these types of events really permeate our conscious awareness. They were just haunted by them," he said referring to the traumatic events.
"I think this provides evidence that (Freud's theory) is completely off-base," said Porter, whose findings will be published in the journal Psychological Science.
"It really makes good sense to remember the event well in the future so we can avoid those circumstances and maximize our chances of survival," he added.
A evolução seleciona seres aptos para sobreviver e reproduzir, o que nem sempre significa que esses comportamentos também causem bem estar e felicidade.
Um trecho notável de uma série de TV da BBC sobre o corpo humano. O cenário é um ringue de luta de boxe:
"Our bodies are designed to give us a massive kick when we are winning. Whether it is getting a job, being top of our class, or winning our Olympic goal; our responses are the same the world over. When we are close to winning, our bodies and minds work in harmony to make sure that victory is sweet. As soon as we realize that the win is within our grasp, our focus gets shaper, our reflexes faster - we feel unbeatable -- and we get the full reward. When we get that first taste of victory, the brain chemical dopamine stimulates the pleasure center of our brain, creating a profound sense of well-being. Next, endorphins rush through our bodies fighting exhaustion and making us feel euphoric. This is the body's natural high. Endorphins do one more remarkable thing: Even though the boxer has broken a rib, he will barely feel a thing because endorphins block pain by stopping the sensation from reaching our spinal cord and brain. But that's not all - there's more to winning then just a buzz. Adrenaline from the adrenal gland near the kidneys and testosterone flood through our bloodstream; they've already given us strength during the competition and now they keep us alert and speed our recovery. We breath more deeply, and our heart rate increases taking in more oxygen rich blood to our brains and muscles. Now we are primed and ready to take on the world again."
Mas e do outro lado?
"We are natural competitors, and this competitiveness forces us to constantly strive for more. However, because we have evolved a body that rewards us with a powerful chemical reward every time we compete and win, we keep on striving for more. But evidence is now emerging that suggests that there is a more powerful instinct that keeps up striving us upward and forward. One of the most potent motivations we possess is the fear of failure. Sure, losing feels bad, and not without good reason - the results could be disastrous - losing is a more powerful and enduring experience than the rewards of winning could ever be. Failure feels terrible; and to understand why, we need to look inside our own bodies. Losing is overwhelming; when we start to lose, our reward system is switched off. The feel good chemicals such as endorphins and dopamine that kept us going during the fight begin to ebb away. We enter a downward spiral that makes losing an almost certainty. Suddenly, we feel every ounce of our exhaustion, every bit of our pain. Every single muscle ache, unlike the victor, becomes apparent once we realize we have lost; and this triggers the release of the stress hormone cortisone. When mixed with adrenaline already flowing through our bloodstream, we feel anxious and even frightened. And if the lost is catastrophic, a primitive response we share with reptiles kicks in; we become immobilized. The bodies' nonessential functions shut down in order to protect the brain; the vegas nerve slows our heart; suddenly, blood flows out of the gut and we get that sinking feeling in the pit of our stomach; our muscles slacken; we lose control of our limbs [we pass out]. But our body has one final function to teach us a lesson - every time we lose; the hippocampus in the brain is stimulated making sure we remember the loss forever. And at the center of our emotions, the amygdala, fuses that memory to a profound sense of misery. All this creates a powerful reminder of failure to put us off from making the same mistake again."
Profound sense of misery. Nunca se esqueça.
Escrito por Philipe às 10h45
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