Reading Notes (1): Double Brains

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  1. Who knows how the capricious brain of young people works? Although their brains have been tossed by hormones; occasionally they still have inspiration in the cracks;
  1. Hierarchicalization : At every moment, human beings are abstracting, that is to say, developing more universal theories and knowledge from objective facts. Using this method, we can continuously develop new and more concise description levels that are convenient for our brains with limited capacity to process. The concept of layering can be applied to almost any complex system, even our social world, that is, people's personal lives. We may live on a level that is functioning normally, driven by its unique reward system, and then may suddenly break into another level and encounter completely different rules of the game.
  1. To a large extent, the brain is a symmetrical organ. The left side of the brain is responsible for controlling the right side of the body, while the right side of the brain controls the left side of the body. The activity of the brains on both sides is usually regulated by a large cortical commissure, which is called the corpus callosum.
  1. The split-brain phenomenon means that we can test the brain hemisphere separately without being affected by the other hemisphere. The research object of classical neurology is often the loss of cognitive function caused by the injury of a specific brain area, but we can go the other way and be able to study the existence of cognitive function.
  1. The operating mechanism of the somatosensory system : The left body sends most of the tactile information to the right hemisphere, but not all. If you hold an object in your left hand, the tactile information about the overall shape of the object—the scientific name is “stereognostic information” is transmitted to the right brain, and the more basic sensory information related to whether it was touched is Will pass into both hemispheres. The opposite is also true for the right body.
  1. Self-initiation (commonly found in goal-directed behaviors): One cerebral hemisphere initiates a certain behavior, and the relevant information generated by the behavior is received by the other side of the brain, so that the latter can make appropriate behavioral responses.
  1. Split-brain animals have adopted a strategy of self-cue activation. The control command center does not exist. One cerebral hemisphere can read the cues processed and constructed by the other hemisphere, thereby producing an integrated and effective behavioral performance.
  1. Cognitive dissonance : When personal beliefs conflict with new incoming information, we tend to ignore the new information in order to reduce cognitive conflicts.
  1. Interpreter : The talking left hemisphere unabashedly interprets the behavioral response initiated by the right hemisphere, even though it does not know the relevant background information. In other experiments, some experiences in the right hemisphere triggered emotional responses, and the left hemisphere tried to justify these emotional responses. The emotional state seems to be transmitted between the two hemispheres through the subcortical structure, and the transmission process is not affected by the incision of the corpus callosum. Therefore, although only the right hemisphere can receive sensory information and experiences that produce a specific emotional state, emotions can be felt in both hemispheres. Although the left hemisphere does not know why this emotion was generated and where it came from, it will still try to explain it before. The interpreter will also interpret the information sent by the body.
  1. Note that it is a single stove system. In short, the two brains separated from each other, the hemispheres cannot cope with events that occur at two different spatial locations at the same time. Not only are the two hemispheres separated from each other, the two little guys are also different from each other.
  1. When you deliberately squeeze a smile, or when someone makes you laugh, the movement of laughter is controlled by the left brain. Some of the cortical neurons involved in it span the midline and are responsible for controlling the right face, while others are from the corpus callosum to the right brain and activate the neurons in the right brain that are responsible for controlling the left face. Spontaneous laughter is different. Participating in this process is a completely different set of neural hardware, including several scattered brain regions, most of which belong to the subcortical system and the so-called extra-pyramidal system. .
  1. Human memory is roughly divided into two types: semantic memory and episodic memory. Semantic memory deals with the knowledge we have learned, such as the rules of chess, while episodic memory is related to actual experiences and situations, such as the course of a certain game.
  1. Corresponding to free memory, recognition memory refers to the ability to recognize objects or events that have been seen before. Both the left and right hemispheres can process semantic memory and episodic memory.
  1. In the scientific world, the concept of emergence is ubiquitous, that is, simple interactions can produce complex systems.
  1. The emergence of high-rise structures is accompanied by a complete renewal of properties, and low-level events cannot predict these new properties. In the human brain, the highest level of forces include perception, consciousness, memory, reasoning and judgment, etc. Compared with the internal chemical forces that are surpassed, the effects and causal effects of these forces occupy the same level in brain activity. And even more important status.

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Origin blog.csdn.net/u013468614/article/details/114256255
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