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An instinct is a complex pattern of innate behavior.A reflex is an automatic response that does not involve a message from the brain
Action potential in the brain
Neural Mechanisms refer to structures such as neurons (nerve cells), neural circuits and regions of the brain plus substances such as neurotransmitters and hormones. These regulate behaviour, voluntary and involuntary systems.
Usually, we yawn when we are tired or bored and probably breathing slowly and not very deeply. Then the brain's automatic control of breathing will trigger a deep breath. This is what we call a yawn. This automatic control works from a spot in the base of the brain. Its job is to keep checking on the carbon dioxide in the blood. When there is too much carbon dioxide, the control speeds up our breathing to help take away the carbon dioxide. It may seem strange to think that our breathing is controlled automatically. We can think about our breathing and decide to breathe rapidly or slowly. But most of the time we do not think about how to breathe, and the automatic control does the job.
reflex action is that immediate response to the external stimuli which is provided for the spinal cord itself and not the brain and further the complex action is taken by brain by further thinking upon the matter
Reflex actions are sudden responses, which do not involve any thinking.
The term reflex or phrase reflex action describes a quick spontaneous automatic response to a stimulus that does not involve thinking about it. It is controlled through the brain, but does not require thought.
Protection(?)
A reflex action is an automatic, involuntary response to a stimulus that bypasses the brain, whereas a normal response to a stimulus involves conscious thought and decision-making processes in the brain. Reflex actions occur more quickly and are essential for survival, while normal responses can involve cognitive processing and decision-making.
Conscious actions, such as voluntary movements controlled by the brain, are not reflex actions in humans. These actions involve decision-making and higher brain functions, unlike reflex actions which are automatic responses to stimuli.
An instinct is a complex pattern of innate behavior.A reflex is an automatic response that does not involve a message from the brain
Reflexes are automatic, involuntary responses or impulses. Most reflexes do not involve the brain, however, more complex reflexes have to involve the brain in order to process the reflexes. An example of this would be blinking the eye. This is a complex reflex and it must involve the brain. Also, you must take in the place the reason why reflexes do not involve the brain: because it could cause serious damage to the body. Complex reflexes will not cause serious damage if it uses to brain to produce the impulse.
AnswerBecause a reflex action is automatic and does not involve a thought process.Edit: A reflex action only has to go to the spinal cord and then back to the limb, whereas a voluntary reaction has to go to the brain to be processed and therefore takes longer.
Voluntary actions are consciously controlled movements initiated by the brain, while reflex actions are automatic responses to stimuli that do not require conscious thought. Voluntary actions involve higher brain functions and can be modified based on individual intent, while reflex actions are typically quick, involuntary responses for immediate protection or survival.
Simple, unconditioned or natural reflexes do not involve the brain. These reflexes occur when a receptor that goes to the spinal cord is stimulated by an impulse or effector. The effector neuron sends a response to the muscle or the gland thus causing an instant action. An example of this type of action would be when you blink your eye due to strong light.
An illness that has a psychological cause and does not involve brain damage is Psychosis.
Semi automatic. The rest are manual loading.