Wikipedia (definition): Perception is in living beings the process and the subjective result of information acquisition (reception) and processing of stimuli from the environment and from within the body. This happens through unconscious (and sometimes conscious in humans) filtering and merging of partial information into subjectively meaningful overall impressions. These are also called precepts and are continuously compared with stored ideas (constructs and schemes).
► According to this definition, there would be the world first, which is created by filtering and merging partial information into subjectively meaningful overall impressions in living beings.
This raises the question: According to which directives are the filtering and merging of partial information carried out?
The answer could only be: through the goals in the brain. That by means of the senses, which are focused by the values (goals) of the brain (i.e., what the attention should be directed to).
► So I think it is the other way around: that first the brain has or designs a view of the world according to its goals before it is perceived. As soon as this happens, the senses compare these two worlds and send any deviations to the brain so that, if it seems right to its goals, it corrects its world.
First of all, you always see the world according to your habits, expectations and ideas that are stored in your brain about goals. If one recognizes (because it is valuable for one) that it deviates from it, then the perception is adjusted accordingly. Goals learn or form a new - again initially according to goals, which one has inherited or learned because only through them can one perceive the world.
There is no world as it actually and always is, but only one from the point of view of the respective observer.
Therefore, we do not see the world as it appears to be in front of us (that is, the same for everyone), but one that the brain * shows us based on its goals.
Since everyone has their own characteristic goals, they also see their own world, to which they react individually.
(By the way: since each genre has its specific goals, it also looks like the world).
So, people can always only perceive the world from the perspective of the respective observer *.
You see the world from his point of view. This results from the goals of the respective person. Namely from his currently active ones or especially from those currently additionally stimulated.
►The active goals shape the world into a structure that is needed to achieve them.
►Depending on the value of the stimuli that are now activated, further goals are awakened, which additionally structure the view.
►So there is no identical world that everyone sees the same, but many different, from the point of view of the respective goals.
And: understanding means to perceive a thing precisely, i.e., to understand it. You can only grasp what you have a system for.
(If one encounters something that is absolutely new, then of course one can also absorb it, understand it - but, as I said, only according to one's disposition (one's goals). This is how the new from the human environment and inner field of the brain adapted to its systems accordingly.
Accordingly, you take in the world first through the goals in yourself and then with your chosen senses - in that order.
The brain constantly receives unfiltered stimuli (humans take in approx. 11 million bits per second), but it does not simply map the world in front of us 1: 1, but selects it with its centers *, the Then align your senses so that they only perceive the information that fits the goals of the brain because it is important.
These millions of bits are not there to map the environment precisely for us, but to compare the structures that arise after selection through our goals with those stored in the brain and, if necessary, to compare them through learning (changing from Synapses).
Generally speaking, people have the world of their genetic makeup in their heads, together with those that have been built up in them through experience and learning.
This is the reason why we perceive the world differently and possibly wrongly*; because we weren't in the right midpoints. (Wrong in the relationship that we have disadvantages as a result, e.g., not reacting appropriately.)
And since the selection by the goals also influences the storage of experiences in the brain, this can lead to incorrect information.
There is no world that is the same and unchangeable from every perspective.
And all perspectives of the macro or micro world are subject to the sentence:
Identical substances under identical conditions always give identical results.
If you turn 180 degrees in a strange environment, it takes milliseconds before you consciously perceive what is in front of you.
This attaches to the brain: First, the general perception occurs according to its expectations. (If there are no specific ones, it looks for similarities). Depending on the extent to which this does not match what is in front of you, it will be corrected if it is relevant.
The goal of orientation requires data from the senses to clarify whether and to what extent the world shown by the brain may deviate from reality in order to be able to adapt. This takes milliseconds. (The goal of orientation is a central goal in living beings).
Recognition also takes place through goals; one recognizes what has been stored in the brain. This is where the reason for confusion can be found (because the brain looks for similarities *).
If necessary, the selected stimuli change existing neuronal networks in the brain, or generate new ones if goals (midpoints) in the psyche* consider this to be important. If the stimuli show more or less strong differences from what has been stored up to now, it is adjusted.
By means of the senses, which send information to the brain through attention, this is always up to date - if the goals of perception are not too restricted by certain (rigid) midpoints.
Without new information from the senses, the brain is virtually blind - and only acts according to its previous information that it had stored - as it is in a dream *.
Regarding knowledge, individual things are not important. It always depends on the goal. If this is to look at details, only then will they be particularly perceived. But if the aim is to save the overall impression, then this is perceived as a whole.
The perception of music can serve as an example: You perceive the whole and not the individual instruments, because that is not the goal. (The whole thing is to perceive the feeling of music). The perception of individual devices would cloud the sensation, because it could lead to other central points and be distracted.
This is exactly how you record everything holistically from one goal in daily life. And that's how you see the world.
If something is no longer right (e.g., something dangerous appears) then a target is activated in order to perceive it specifically. This suddenly puts you in a different focus. This is also recorded holistically and creates a different pattern in the brain.
How and with what a room is filled is not important as long as one is aiming to perceive this room. Only when you look more closely through other goals do they gain value.
In other words, only the whole is stored in the brain.
Conclusion: the brain always takes in holistically. The targets that may be stimulated, however, can quickly change the topics.
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