One hypothesised cause of mania ( among others ), is that the amount of the neurotransmitter serotonin in the temporal lobe may be excessively high.

The inhibition of the enzyme increases the amount of neurotransmitter available for release.

Katz won the Nobel for his discovery that neurotransmitter release at synapses is " quantal "-- that is, that at any particular synapse the amount of neurotransmitter released is never less than a certain amount, and if more is always an integral number times this amount.

Extended use of drugs that increase the amount of serotonin or other neurotransmitters in the brain can cause some receptors to ' turn off ' temporarily or become desensitized, so, when the amount of the neurotransmitter available in the synapse returns to an otherwise normal state, there are fewer receptors to attach to, causing feelings of depression until the brain re-adjusts.

The quickness of the hair cell response may also be due to that fact that it can increase the amount of neurotransmitter release in response to a change as little as 100 μV in membrane potential.

There is evidence that Schwann cells may facilitate these preliminary signals by increasing the amount of spontaneous neurotransmitter release through small molecule signals.

This can sometimes be caused by depletion or marked reduction of the amount of neurotransmitter responsible for creating the drug's effect, or by the depletion of receptors available for the drug or neurotransmitter to bind to.

Since GABA, for the most part, is an inhibitory neurotransmitter, a decrease in its amount will result in a feeling of anxiety.

# As the calcium level in the photoreceptor cell drops, the amount of the neurotransmitter glutamate that is released by the cell also drops.

These changes in ion concentration effectively diminish the amount of the original neurotransmitter released by the presynaptic terminal into the synaptic cleft.

In archery, some energy is dissipated through elastic hysteresis, reducing the overall amount released when the bow is shot.

Chemical rockets store a large amount of energy in an easily released form, and can be very dangerous.

Unless the forests and peat are harvested before flooding, the rotting vegetation is a source of CO < sub > 2 </ sub > and methane comparable in magnitude to the amount of carbon released by a fossil-fuel powered plant of equivalent power.

A small amount of material is released onto the two dimensional medium, leaving a visible mark.

* Emission standard, requirements that set specific limits to the amount of pollutants that can be released into the environment

An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.

Nonetheless, a limited amount of output from the model has been publicly released through both the ECMWF and various sites.

The rate of release is too slow to have practical utility, but the total amount released is huge.

The nuclear reactor disaster at Chernobyl released a huge amount of radioactive tritium into the atmosphere, and smaller problems cause smaller releases.

Surgical interventions for IC / BPS include transurethral fulguration and resection of ulcers, using electricity / laser ; bladder denervation, where some of the nerves to the bladder are cut ( Modified Ingelman-Sundberg Procedure ); bladder augmentation ; bladder removal ( cystectomy ); electrical nerve stimulation, similar to TENS, where an electrical unit is implanted in the body and provides continuous or intermittent electrical pulses to the affected areas ( Interstim ); spinal cord stimulation ( SCS ), where an electrical unit is implanted that provides electrical stimulation to the spinal cord, interfering with pain reception to the brain ( ANS / Advanced Neuromodulation Systems spinal Cord Stimulator ); and the implantation of the intrathecal pain pump, where very small amounts of medication, like morphine sulfate, dilaudid, or baclofen are released into the cerebrospinal fluid via a catheter stemming from the small electrical pump, requiring only about 1 / 100 to 1 / 300 the amount of medication needed orally for the same therapeutic benefit, but with significantly fewer side effects.

A substantial amount of Shirow's work has been released in art book or poster book format.

Once the process succeeds, a very large amount of energy is released and the combined nucleus assumes a lower energy level.

This increases the amount of serotonin present at the synapse and allows it to remain there longer, hence potentiating the effect of naturally released serotonin.

The 8. 8 MeV / 202. 5 MeV = 4. 3 % of the energy which is released as antineutrinos is not captured by the reactor material as heat, and escapes directly through all materials ( including the Earth ) at nearly the speed of light, and into interplanetary space ( the amount absorbed is miniscule ).

Also, several free neutrons, gamma rays, and neutrinos are emitted, and a large amount of energy is released.

The amount of energy released by oxidative phosphorylation is high, compared with the amount produced by anaerobic fermentation.

Francia released them only after they agreed to pay an enormous collective indemnity of 150, 000 pesos ( about 75 percent of the annual state budget ), an amount so large that it broke their predominance in the Paraguayan economy.

A custom signature amplifier was engineered by Lifeson and released in April 2005 with the stipulation that UNICEF will receive a donation in the amount of $ 50 for every Alex Lifeson Signature TriAmp sold.

Chemical rockets store a large amount of energy in an easily released form, and can be very dangerous.

Just as the shape of the Wankel combustion chamber is resistant to preignition and will run on lower-octane rating gasoline than a comparable piston engine, it also leads to relatively incomplete combustion of the air-fuel charge, with a larger amount of unburned hydrocarbons released into the exhaust.

Today incineration treatments not only reduce the amount of hazardous waste, but also they also generate energy throughout the gases released in the process.

This fact plus the amount of chlorine released into the atmosphere by chlorofluorocarbons ( CFCs ) yearly demonstrates how dangerous CFCs are to the environment.

# Assessing the amount of pollutants being released by a particular source, such as wastewater or urban runoff.

With troops dispersed on fields of battle rather than on the parade ground, it may seem that a certain amount of monitoring is automatically enforced by the lines of communication.

This was accordingly done, and the plight of the grateful Mrs. Morris was much relieved as a result of the generous loan, the amount of which is not known.

and the narrator recalls the words of his father, Vincent Berger: `` It is not by any amount of scratching at the individual that one finally comes down to mankind ''.

The approval of only three members of the board of school estimate is required to certify the amount of money to be allotted to the college.

A Member of the United Nations which is in arrears in the payment of its financial contributions to the Organization shall have no vote in the General Assembly if the amount of its arrears equals or exceeds the amount of the contributions due from it for the preceding two full years ''.

The amount which may be borrowed from the SBA depends on how much is required to carry out the intended purpose of the loan.

It is obvious that this is a potential and lucrative source of revenue for the assessors of those towns where a substantial amount of such property would be subject to taxation.

In connection with any claim decided by the Commission pursuant to this Title in which an award is made, the Commission may, upon the written request of the claimant or any attorney heretofore or hereafter employed by such claimant, determine and apportion the just and reasonable attorney's fees for services rendered with respect to such claim, but the total amount of the fees so determined in any case shall not exceed 10 per centum of the total amount paid pursuant to the award.

Any claimant whose claim is denied, or is approved for less than the full amount of such claim, shall be entitled, under such regulations as the Commission may prescribe, to a hearing before the Commission, or its duly authorized representatives, with respect to such claim.

Subject to the limitations hereinafter provided, the Secretary of the Treasury is authorized and directed to pay, as prescribed by Section 8 of this Title, an amount not exceeding the principal of each award, plus accrued interests on such awards as bear interest, certified pursuant to Section 5 of this Title, in accordance with the award.

Determine the ratio that the amount being allotted is to the sum of the products for all the States.

Upon receipt of an application which the Export-Import Bank is prepared to consider, the Export-Import Bank will inform the Department of Economic Affairs of the identity of the applicant, the nature of the proposed business, the amount of the proposed loan, and the general purposes for which the loan proceeds would be expended.

If you file a Form 1040, you should indicate in the place provided that there is an overpayment of tax and the amount you want refunded and the amount you want credited against your estimated tax.

It is the amount you enter on line 9, page 1 of Form 1040.

The amount of liquid poured into the chamber is determined by subtracting the quantity still in the beaker when the chamber is full from the original quantity.

The amount paid by the oil company to Tri-State for the use of its oil distribution system and the privilege of supplying all the homes, is subject to negotiation but naturally must be profitable to both parties.

The small reaction occurring at 337-degrees-C is probably caused by decomposition of occluded nitrates, and perhaps by a small amount of some hydrous material other than Af.

In spite of all the pitfalls, there is a certain amount of agreement on some of the giants.

The international unit is equipotent with the USP unit adopted in 1952, which was defined as the amount of activity present in 20 mg of the USP reference substance.