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Why does intelligence vary from person ,ie-something like a 10gb card in one and 20gb in another?
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tynamite's avatar First things first, the operational mechanism of a brain is not similar to a hard drive. With a hard drive, whatever you want to add to it, you can add to it whenever you want no matter what it is, by merely clicking save. Unless you're a hypnotist, you cannot do this to a person. (Suggestion only gets you so far. Conditioning is irrelevant.) Unlike a hard drive, a brain's functionality improves of its own accord by adding new pathways inbetween neurons as you grow up and learn things, and the subconscious decides what memories you repress, and what decisions you make.

Some scientists allege that nothing in your life is forgotten, and everything you've ever experienced or felt, is hidden away in your subconscious. (Depression and PTSD happens when the repression fails. 90% of our ongoing thoughts are unconscious ) It's been scientifically proven that your dreams are the manifestation of your memories, and most the people you've seen in your dreams, are people you've passed on the street, and have forgotten exist.

Imagination works in the same way, rehashing everything you know, and know without being aware you know it, and blending it together to create something new. Having new life experiences, taking a walk or watching/listening to new things, is what gives people imagination - provided they are imaginative in the first place.


Intelligence is both genetic and environmental.
Because of this, school makes kids more intelligent than they were before they joined, but only to a certain extent.
However, your IQ is innate. You can optimise it (with a balanced diet, exercise sleep and study), but you cannot increase it.
You can read a whole library, but it cannot make you more intelligent.


The Nine Types of Intelligence
By Howard Gardner

1. Naturalist Intelligence (“Nature Smart”)

Designates the human ability to discriminate among living things (plants, animals) as well as sensitivity to other features of the natural world (clouds, rock configurations). This ability was clearly of value in our evolutionary past as hunters, gatherers, and farmers; it continues to be central in such roles as botanist or chef. It is also speculated that much of our consumer society exploits the naturalist intelligences, which can be mobilized in the discrimination among cars, sneakers, kinds of makeup, and the like.

2. Musical Intelligence (“Musical Smart”)

Musical intelligence is the capacity to discern pitch, rhythm, timbre, and tone. This intelligence enables us to recognize, create, reproduce, and reflect on music, as demonstrated by composers, conductors, musicians, vocalist, and sensitive listeners. Interestingly, there is often an affective connection between music and the emotions; and mathematical and musical intelligences may share common thinking processes. Young adults with this kind of intelligence are usually singing or drumming to themselves. They are usually quite aware of sounds others may miss.

3. Logical-Mathematical Intelligence (Number/Reasoning Smart)

Logical-mathematical intelligence is the ability to calculate, quantify, consider propositions and hypotheses, and carry out complete mathematical operations. It enables us to perceive relationships and connections and to use abstract, symbolic thought; sequential reasoning skills; and inductive and deductive thinking patterns. Logical intelligence is usually well developed in mathematicians, scientists, and detectives. Young adults with lots of logical intelligence are interested in patterns, categories, and relationships. They are drawn to arithmetic problems, strategy games and experiments.

4. Existential Intelligence

Sensitivity and capacity to tackle deep questions about human existence, such as the meaning of life, why do we die, and how did we get here.

5. Interpersonal Intelligence (People Smart”)

Interpersonal intelligence is the ability to understand and interact effectively with others. It involves effective verbal and nonverbal communication, the ability to note distinctions among others, sensitivity to the moods and temperaments of others, and the ability to entertain multiple perspectives. Teachers, social workers, actors, and politicians all exhibit interpersonal intelligence. Young adults with this kind of intelligence are leaders among their peers, are good at communicating, and seem to understand others’ feelings and motives.

6. Bodily-Kinesthetic Intelligence (“Body Smart”)

Bodily kinesthetic intelligence is the capacity to manipulate objects and use a variety of physical skills. This intelligence also involves a sense of timing and the perfection of skills through mind–body union. Athletes, dancers, surgeons, and craftspeople exhibit well-developed bodily kinesthetic intelligence.

7. Linguistic Intelligence (Word Smart)

Linguistic intelligence is the ability to think in words and to use language to express and appreciate complex meanings. Linguistic intelligence allows us to understand the order and meaning of words and to apply meta-linguistic skills to reflect on our use of language. Linguistic intelligence is the most widely shared human competence and is evident in poets, novelists, journalists, and effective public speakers. Young adults with this kind of intelligence enjoy writing, reading, telling stories or doing crossword puzzles.

8. Intra-personal Intelligence (Self Smart”)

Intra-personal intelligence is the capacity to understand oneself and one’s thoughts and feelings, and to use such knowledge in planning and directioning one’s life. Intra-personal intelligence involves not only an appreciation of the self, but also of the human condition. It is evident in psychologist, spiritual leaders, and philosophers. These young adults may be shy. They are very aware of their own feelings and are self-motivated.

9. Spatial Intelligence (“Picture Smart”)

Spatial intelligence is the ability to think in three dimensions. Core capacities include mental imagery, spatial reasoning, image manipulation, graphic and artistic skills, and an active imagination. Sailors, pilots, sculptors, painters, and architects all exhibit spatial intelligence. Young adults with this kind of intelligence may be fascinated with mazes or jigsaw puzzles, or spend free time drawing or daydreaming.

http://skyview.vansd.org/lschmidt/Projects/The Nine Types of Intelligence.htm


Intelligence measures ones ability to learn new things - how quick and easily they learn what they are taught.

Social skills measures how easily one can read other people - and includes manipulation.

Common sense measures ones ability to use applied knowledge - knowledge they can use - to piece together the shards of past information in their mind in order to make conclusions, decisions and solutions.

Being smart, here is irrelevant.


There is declarative knowledge which is the stuff you can declare you know, such as what your name is, what colours a rainbow are, and a circle looks like. You know how to make a cup of tea, and you know that anyone can do it. There is even a flowchart for this.

And there is procedural knowledge, which dictates the byzantine process of how people decide to go about doing things. Do you know how to read someone, or how to make a conversation engaging? For the question How can I quickly improve my ability to make "small talk?" or How can I tell if someone else is telling the truth? or Can someone's voice reveal clues about their personality?, that would fall under procedural knowledge.

The answers to those procedural questions, you cannot exactly write numbered step by step instructions on a piece of paper, photocopy it 15 times, and post it to the first 15 people who appear in your news feed. Regardless of whether you know the first 15 people in your News Feed or not (and it would be beneficial if you did), because you can't be there watching them when they are following your instructions, and because you don't exactly know how the people around them are going to react to your instructions, you can never be 100% sure fire about your instructions. Also imagine you're sending 15 people the same instructions, there is no mutual interactive conversational dialogue. They can only serve as a guide, not a rule (or even a proper instruction). For this reason, people with Aspergers have trouble operating (and behaving in) the real world, because their declarative rule based guidebook of navigating the real world to execute goals for their intentions, fails them.


The declarative memory stores information that you can “declare” you know, such as the square root of nine, or the name of your dog. Often, you can even remember when or where you learned something - for example, the day you discovered the harsh truth about Santa Claus. That’s called episodic memory.


One class of implicit memories is found in the procedural memory system, which stores information that you use without really being able to say how you know what you’re doing. When you ride a bicycle for the first time in years, or type on a keyboard without looking, you’re relying on procedural memory.


Another type of implicit memory uses “semantic” knowledge, and resides in different parts of the brain, including a region called the neocortex. Semantic knowledge involves general, abstract concepts. Both groups of Tetris players, for example, only described seeing blocks, falling and rotating, and evidently did not see a desk, room, or computer screen, or feel their fingers on the keyboard.



IQ measures ones capacity to learn new things. That's all. If you put two people in a room, the person with a lower IQ will not be able to learn the things being taught, as easily.

IQ has absolutely no relation to how much stuff a person knows or has read, and it is a fixed value that cannot change! Being smart or knowledgeable is not a part of the equation. Cleverness is........... intelligence. .

People with an usually high IQ tend to be socially inept (bad social skills), who lack in other areas of life (common sense).


IQ remains a crucial part of the Nature vs Nurture topic, to assess how both an environmental yet genetic trait, can be significant enough to alter our ability to do certain actions, and our performance in life. (I have researched this topic as part of a Health & Social Care course.)

Without IQ, a lot of the scientific experiments carried out by psychologists, scientists, and sociologists wouldn't exist. Those experts use IQ as a way to discover why some people in society conform like sheep, and why some people think for themselves, to assess Life Chances.

The problem comes when people talk about IQ too much, without understanding what it means. Too many people among the Quora Community are under the false presumption that because they read loads of books, that their IQ must be magically high. People here are placing too much importance on IQ, and not enough importance on bettering themselves.

Most people in the world have an IQ of 100, and whereabouts, so to compare IQs implicitly with one another is fruitless and futile.

IQ is a science that is regarded very highly outside the scope of Biology, Chemistry and Physics. It is a known fact among people who research Sociology and maybe Psychology; that some people are more able to absorb new knowledge than others, in such natural varying degrees.

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