Doctor insights on:
How Does Depression Work In The Brain
Addiction: Certain substances will activate a center of the brain we have labeled the addiction center. This center of the brain is activated the behavior becomes reinforced to the point that it is difficult to suppress. Drugs will do this as well as will certain foods such as carbohydrates and high calorie meals. ...Read more
Depression is a mood disorder that can affect behavior and emotions. Symptoms of depression include feeling down most of the time, losing interest in previously enjoyable activities, increase or decrease in appetite or weight, sleeping more or less, becoming easily agitated or lethargic, feeling worthless, feeling guilty, having difficulty concentrating, thinking more about death and dying. Depression can sometimes result in suicidal thoughts and plans. In this case, emergent ...Read more
No problem: If you want to find out how the brain works, you can start with one of the standard references: Principles of Neural Science, by Kandel and Schwartz. I have the fifth edition. It's 1709 pages long. It covers the basics. It's an introduction. If you really want to get into the subject, there are more and bigger books you can read. ...Read more
Amphetamines: Amphetamines work in the brain streamlining the neurotransmitter process. They block the reuptake and destruction of the noradrenalin and Adrenalin (neurotransmitters) in the synapsis (the contact in between neurons) allowing more time in contact with the receptor which will produce a response in the neuron which is stimulated to produce an action potential in the responding neuron. ...Read more
Fiberoptic cables: Like phone cords, the brain connects down through the brainstem by tracts like fiberoptic cables connecting the motor/sensory areas of the brain to the areas of the spinal cord sending out nerves to your body. Long and very complex but wonderfully made! ...Read more
Can really help: Prozac (fluoxetine) acts to help normalize the levels chemicals in the brain that are responsible for mood. It can take 6 months to achieve sustained normal levels, and then tapering can be possible. But some people need it for ever because their brains cannot regulate the levels properly. Sometimes there are other causes of depression. and Prozac (fluoxetine) may help in that case, or it may not work. ...Read more
Just like "Speed": Frequently medications used for adhd are stimulants. Brain of those with adhd is different and are slowed down by these medications as opposed to "getting high" which would be reaction if not adhd. Use of these medications if not adhd is not only illegal, but potentially addictive and result in socially inappropriate and possibly life threating behavior. ...Read more
See below: Surprising just a relatively small injury can have devastating affects on brain fuction if the injury is in a critical area of the processing areas of the brain. ...Read more
No one place.: A person's personality does not reside in a single place. The brain is like a network of computers; the balance of how a number of parts works creates the whole. The sense of self is even harder to define, and the answer is not really known. ...Read more
4 minutes or more: In the event of a full blown cardiac arrest there can be brain damage in as little as 4 to 5 minutes without circulation at normal body temperature. If the body had been cooled by submersion in cold water it could be much longer. Less severe lack of oxygen will take longer to produce brain damage. ...Read more
What does Vyvanse (lisdexamfetamine) do to the brain of a person with ADHD does it change their perspective ?
Complicated: Vyvanse (lisdexamfetamine) is a prodrug that has to be converted, probably by GI enzymes, into dextroamphetamine, which acts like amphetamine in the brain. Vyvanse (lisdexamfetamine) was formulated to reduce abuse potential. It increases availability of Dopamine ; norepinephrine, which improves attention. Adverse effects include anaphylaxis, severe rash ; cardiac probs. Has preg “c” rating (use w/ caution). Avoid if breast feeding. ...Read moreSee 1 more doctor answer
In easily more: Than ten known ways and god knows how many unappreciated ways. ...Read more
Huge amount: In childhood leukemia treatment, radiation therapy can have an effect because the brain is still developing. It is nowhere near as sensitive after childhood and more radiation would be needed before the effect would be seen. That's a lot even compared to cancer therapy doses.. ...Read more
Tissue Destruction: Alzheimrs disease is characterized by destruction of brain tissue in multiple brain areas. At first this is associated with simple forgetfullness, but in late stages people have loss of sphincter control, inability to bathe, dress and feed themselves. Under the microscope, the brains of alzheimer's patients show areas of tangled nerve cells. ...Read moreSee 1 more doctor answer
Does Prozac (fluoxetine) lead to weight loss because of the change in neurotransmitters? After stopping does the drug change things around or can the brain go back
Balance chemical : Prozac (fluoxetine) usually cause weight gains. Antidepressant is used to balance the neuro transmitters in your brain. After you stop it does affect some part of your brain. Sometimes it will restore your brain function if your body can make up the low neurotransmitter, but , unfortunately, sometimes your body can not make up the different, then you go back to previous stage. Everybody respond differently. ...Read more
Many functional: Depression has been associated with memory impairments and may be associated with dementia. Once a person has a depression, that person is at much greater risk of having another depression later in life. This shows that injury occurs, although it is not the kind of injury that is clearly evident on MRI or ct scans. The long-term effects of depression are related to how the brain functions. ...Read moreSee 1 more doctor answer
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