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Brain

The center of our nervous system and daily thoughts, the brain is a complex, magnificent organ. Ask questions about parts of the brain and their functions here.

2,537 Questions

If studies suggest that people only use about 10 percent of their brains what is the other 90 percent used for?

Brain UseIt is a complete myth that only 10% of the human brain is utilized.

The mistaken concept results from folklore and the fact that until the 1990's scientists did not focus on the entire brain only portions thereof, which has now resulted in the "10%" theory being totally unfounded.

now only 20% of the brain can be used as humans have not evolved to the stage that we can use more. This is why people who do end up using more then 20% of there brain can become disabled as it becomes to much for the body to take and makes the body brake down!!!!!

What are impulses?

Impulses are brief electrical signals that transmit information within the nervous system. They travel along the axon of a neuron and are crucial for communication between different parts of the body. Impulses can trigger various physiological responses, such as muscle contractions or the release of hormones.

What role does your perception have on your experience of emotions?

Perception plays a crucial role in our experience of emotions as it shapes how we interpret and react to events. The way we perceive a situation influences the emotions we feel in response. For example, seeing a challenging situation as an opportunity for growth can lead to feelings of optimism and resilience, whereas perceiving it as a threat may evoke fear or anxiety.

What are the behaviors and experiences that are controlled by the cerebral cortex?

The cerebrum comprises the largest part of the brain. It lies on top of the brainstem. The cerebrum is the newest structure in the phylogenetic sense, with mammals having the largest and best-developed structures among all species. The cerebral cortex is present only in mammals.

The cerebrum directs the conscious motor functions of the body. It is the primary sensory receiver and processor from our senses, speech and language, factual memory formation and short term memory.

Can telekinesis move the smoke?

There's a great deal that science is only beginning to grasp fairly without denial and prejudice, and telekinesis is among them. The human mind is capable of vastly more than we are taught in school, as remarkable events such as ghosts and precognition demonstrate. We are in a learning phase here, and would be premature to make final statements about things we scarcely know. Open minds and more research will reveal new wonders. I, personally, answer your question with YES.

What part of the brain causes bossy behavior?

Alcohol misuse may cause alcohol related brain impairment (ARBI) or brain injury. 'Binge drinking', drinking in excess of recommended levels in a single session or heavy drinking over a long time may lead to ARBI. Problems with memory, thinking abilities and physical coordination are possible symptoms of ARBI. Makes them bossy :)

Can dyspraxia cause a person to have intrusive thoughts and memories over things that even they find trivial in nature?

Of course, the best person to answer that is the person's medical provider. A person with dyspraxia can have a number of psychological, emotional, and behavioral disturbances. It is possible that intrusive thoughts and memories over things that they may find trivial in nature may be a sign of dyspraxis, but without being seen by a professional, it is difficult to say if dyspraxia is the cause of these intrusive thoughts.

Is it possible to not have any memories for an entire day?

Yes, it is possible to have no memories of an entire day, especially if you were highly intoxicated during that day. But it is also possible that the day was simply not memorable. Some days are very much like any other day, and there is little to remember about them.

Is it possible to not have any thoughts or inner voices for any length of time?

Yes, it is certainly possible.

I would recommend meditation. Find a comfortable, quiet spot where you won't be interrupted and try to clear your mind. Take regular medium depth breaths and try to relax - first your body and then your head. This can be done anywhere but I recommend being outside the in countryside at a scenic location.

To achieve longer periods of inner quiet some people use sensory deprivation tanks where you spend time sitting in temperature controlled water in complete darkness and silence.

In extreme cases a doctor can prescribe medication to quieten the brain but that should always be a last resort as every drug has side effects.

How can someone suppress intrusive memories for one entire day?

We're not sure that this is even possible, and our sources say that it definitely is not advisable. Intrusive memories are intrusive for a reason; they indicate that something has not been dealt with, and any luck in finding a way to suppress them will just invariably lead to larger psychosomatic issues.

You would be much better served to confront the memories, with assistance if need be, to resolve the issue. No matter how painful this might seem, it bears repeating that avoidance will lead to serious additional issues.

Where is the cornea located in the brain?

The cornea is actually part of the eye, and is a protective covering that is responsible for making sure that the eye is not damaged.

What is an antidepressant and how does it work in the brain?

Medications known as selective serotonin reuptake inhibitors (SSRIs) delay the reuptake of one of these neurotransmitters, serotonin, thus raising levels in the brain. Higher levels of serotonin seem to help the brain send and receive messages more easily, which, in turn, improves mood. SSRIs are very popular because they seem to have the least side-effects among antidepressants. Additionally, side-effects tend to be mild to moderate and are transitory, usually disappearing after one to three weeks.

Tricyclic antidepressants (TCAs), work in the same manner as SSRIs, but affect the uptake of all three neurotransmitters associated with mood: serotonin, norepinephrine and dopamine. They do have more side-effects, however, and can be dangerous if overdosed. TCAs are not recommended to patients with heart trouble.

Monoamine oxidase inhibitors (MAOIs), an older class of antidepressants, increase levels of all three neurotransmitters by inhibiting an enzyme responsible for inactivating them. MAOIs also affect tyramine, a molecule inked to blood pressure; as a result, anyone taking MAOIs must stick to a very strict diet that forbids a variety of common foods like cheeses, yogurt, certain meats, bananas, and many more foods. Failure to do so can lead to a hypertensive crisis and may result in death. MAOIs also interact with many medications and are no longer widely prescribed.

How do people wake up before their alarm goes off?

People can wake up before their alarm goes off due to their body's internal clock, or circadian rhythm, which regulates sleep and wake cycles. Factors such as stress, excitement, or anticipation can also cause individuals to wake up before their intended alarm time.

Is depth perception of a human being learned or innate?

Depth perception in humans is a combination of both innate abilities and learned experiences. While some aspects, like binocular vision, are innate and present from birth, our brain learns to interpret depth cues over time through visual experiences and interactions with the environment. This development continues throughout life and can be influenced by factors like individual neuroplasticity and exposure to different visual stimuli.

What part of the brain feels?

Depends on which feelings you're interested in.

The paliocortex (aka the thalamus or brain stem) runs the "deepest" emotions,

the olfactory lobe locks in the strongest conscious emotions,

but every specialized section of the brain controls the feelings that are associated with that particular function. i.e. the visual lobe triggers emotion based on things you are seeing, have seen, and imagine that you see.

What would be would be most useful for detecting the brain areas that are most active as a person performs mathematical calculations?

Functional magnetic resonance imaging (fMRI) would be most useful for detecting the brain areas that are most active as a person performs mathematical calculations. fMRI measures changes in blood flow related to neural activity, providing detailed images of brain activity during specific tasks. This method can help identify regions of the brain that are involved in mathematical processing.

What can you do to decrease your chances of getting a brain injury?

To decrease your chances of getting a brain injury, wear a helmet when biking, skateboarding, or participating in contact sports, use seat belts in vehicles, avoid risky behaviors like driving under the influence of alcohol or drugs, and take steps to prevent falls in older adults by removing trip hazards in the home.

Which brain structure plays a key role in sensory integration?

The thalamus plays a key role in sensory integration by relaying sensory information from various parts of the body to the cerebral cortex. It filters and directs this information to the appropriate areas of the brain for further processing.

What might be the result if a person's cerebellum was damaged?

The person might have difficulty with overall coordination and lose their senses because this is one of the most important parts of your brain and with out senses you couldn't see, hear, touch, taste, or smell anything

What part of the brain controls rage?

The amygdala, an almond-shaped structure in the brain, plays a key role in processing emotions like anger and fear. It is involved in triggering the body's fight-or-flight response and can contribute to the experience of rage when activated. Additionally, the prefrontal cortex is responsible for regulating and inhibiting impulsive and aggressive behaviors, so dysfunction in this area can also impact rage control.

The difference between monocular cues and bioncular cues?

Binocular cues are, "Depth cues that depend on the use of two eyes" (Myers, D., 2007, p. 245).

Monocular cues are, "Depth cues available to either eye alone" (Myers, D., 2007, p. 247).

Basically binocular cues are things that help us to perceive depth and we have to use both eyes to perceive them. Monocular cues are the same thing, but you can use only one eye or the other and still see the same effect.

Depth effects that depend on both eyes working at the same time (binocular) are Retinal Disparity and Convergence.

Depth effects that depend only on the use of one eye are: Relative size, Interposition, Relative clarity, Texture gradient, Relative height, Relative motion, Linear perspective and Light and shadow.

What guides the development of the brain for both an individual and a species?

For an individual, genetics and early experiences influence brain development, shaping neural connections and structures. For a species, evolution drives the development of shared brain structures and functions that bestow survival and reproductive advantages over time. Both nature (genetics) and nurture (environmental experiences) play crucial roles in shaping brain development.

What side of the brain controls language in most people?

In most people, language is primarily controlled by the left side of the brain. This area, known as the left hemisphere, is typically responsible for language processing, speech production, and comprehension.

Why do people murder What happens in the brain?

I don't know what can possibly be in there minds. I hurt everyday living with the pain of losing someone to Murder. Its obvious the Red Flags that went up that night but noone cared they covered it up and the Death was roled out as accidental. Don't do it if that why your reading this. It causes to much pain..And you would regret it the Rest of your life.