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What else can I help you with?
What is it called that changes a cause of response?
The phenomenon you are referring to is called feedback. Feedback occurs when the output of a system or process is used as input to modify the operation of the system in order to achieve a desired result. It can be either positive (amplifying the original input) or negative (reducing the original input).
Where is positive feedback mechanism seen in human body?
No, positive feedback is rare, compared to negative feedback. This is because negative feedback is a self regulating cycle, so think of the regulation of heartbeats, breathing and amount of erythrocytes in the blood. The reason positive feedback doesn't occur that often is because it is not self regulating, the action of the cycle carry's on with the system. An example would be hypothermia. When your body goes below 37 degrees C, you will start to shiver to work up, if this does not work, your metabolic processes will start to slow down, you will become sleep, lethargic and lacking of energy, hence making it extremely difficult to bring heat back into the system to warm it up. Thus, the positive feedback can be a destructive mechanism. The easiest way to sum it up is that negative feedback is common as it tries to put a system back to its original equilibrium, positive feedback is rare because it is trying to make a new point for equilibrium. Hope this helps.
What is the definition of negative feedback?
(Biology) Mechanism of the homeostatic response by which the out put of a system suppresses or inhibits activity of the system: Eg- when a certain blood concentration of a hormone is reached, the endocrine gland releasing the hormone is inhibited by the presence of the hormone.feedback is often use in electronic ckt like amplifiers............feedback is process of sampling a part of the output{apmlified} signaland applying it back tothe input via network by using capacitors inductors etc but mostly resistors.........called feedback loop..it is of two types.....positive feedback and negative feedbach....in positive feedback output gain is increases as output signal is in ssame phase with input signal whereas in negative feedback output gain decreases as output signal is in opposite phase with input signal........
Is thirst a negative feedback mechanism?
Thirst is part of a negative feedback mechanism. When the proper levels of water are not present in the body, a sensor detects the imbalance. The brain sent sends a signal to tell the body to obtain water/fluids to remain to a homestatic level of water. Once fluids are obtaind, the body can retain the water and levels will increase. Homeostatis is then reached as the response decreases.
What is message centered feedback?
This is feedback given to someone, pertaining to the message they communicated with you. Example: "I think speeding penalties should be more harsh, as they cause so many deaths." Message Centered Feedback - "I agree, that's a good argument." This is message centered feedback because the response pertained to the original message
Positive feedback differs from negative feedback in that?
Most of the mechanisms in our body are regulated by negative feedback inhibition. In this type of process, the end product shuts off or reduces the intensity of the original stimulus. Production of certain hormones when mother is giving birth to a child is regulated by positive feedback inhibition. In this type of process, response leads to an even greater response.
What is feedback amplifer?
A negative feedback amplifier (or more commonly known as feedback amplifier)can be defined as an amplifier which combines a fraction of the output with the input so that a negative feedback opposes the original signal.
What occurs As a result of a negative feedback mechanism?
In a negative feedback system the response of the effector reverses the original stimuli.
What is the difference between feedback negative feedback a negative feedback response a negative feedback mechanism and a negative feed back loop?
in negative feedback. when an enzyme (negative feed back mechanism) produces too much of a molecule or substance that substance binds to the enzymes allosteric site to hault production of that substance (negative feedback response). and the whole process is the negative feedback loop.
Which feedback mechanism causes the variable to deviate further and further from its original value or range?
Positive feedback mechanisms amplify changes in a system, causing the variable to deviate further from its original value or range. This can lead to destabilization or self-reinforcing processes. Examples include childbirth contractions and forest fires.
What is the type of feedback where the net effect is that the output of the system shuts off the original stimulus or reduces its intensity?
In a negative feedback loop, the output of the system decreases the intensity of the stimulus.
What is the difference between positive feedback and negative feedback?
Positive feedback speeds up reactions while negative feedback slows them down. Positive feedback goes with the force that put the body out of homeostasis in order to get it over faster. For example, during childbirth, the body goes with it in order to get it over faster so that the body can return to homeostasis. On the other hand, negative feedback opposes the action. For example if your body temperature drops, your receptors in your body send a message to your brain to tell it your cold. Your brain then sends a message to your muscles to shiver to help warm you up.
How does feedback work?
Most homeostatic control mechanisms are negative feedback mechanisms. In such systems, the net effect of the response to the stimulus is to shut off the original stimulus or reduce its intensity. or in simpler terms its just feedback that causes the stimulus to decline or end.
Can the percent change be negative in a given situation?
Yes, the percent change can be negative in a given situation when there is a decrease in the value being measured compared to the original value.
What is the negative feedback of the dynamic equilibrium?
Negative feedback in dynamic equilibrium helps to maintain stability by counteracting any changes that disrupt the equilibrium. It ensures that the system returns to its original set point, minimizing fluctuations and maintaining homeostasis.
What is it called that changes a cause of response?
The phenomenon you are referring to is called feedback. Feedback occurs when the output of a system or process is used as input to modify the operation of the system in order to achieve a desired result. It can be either positive (amplifying the original input) or negative (reducing the original input).
How does negative feedback stabilize gain?
Output of an Amplifier is given back to same Amplifiers input in out of phase. act as subtracter. if amplifiers output excess the some portion is given back to input and it reduces the original input. this makes original signal so small so that gives desired output. its of course close loop so by this manner this negative feedback stabilizes gain.
