unsa man pod diay ang nostalgia???
Nostalgia is when a person (it could be you, me, anyone really) remembers a particular person, thing, place, group of peope, location, event--which was stored within the cognitive processes of the central nervous system the brain--something in the external environment initiates/ induces the person to recall those recorded events.
Hence there nostalgia.
A particular example of this, Belle, is say you meet someone that is from Mindanao and you guys were talking about the fiestas you went to--and the person you were talking to mentioned the word 'diniguan' and automatically--your cognitive system triggers your brain to recall memories associated with 'diniguan' per se experiences you had with your family and friends back in Mindanao dealing with diniguan. As a result of the immediate flooding of images of past events, loved ones, friends etc--your body reacts to it with awe, emotionality (which is manifested in either crying ((which is a result of stressed glands within the obicularis oculi and obicularis oris of the orbitory tract in the muscofacial system)).
As a result, nostalgia is manifested.
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The limbic system is a complex set of structures that lies on both sides and underneath the thalamus, just under the cerebrum. It includes the hypothalamus, the hippocampus, the amygdala, and several other nearby areas. It appears to be primarily responsible for our emotional life, and has a lot to do with the formation of memories. In particular, the hypothalamus is responsible for regulating your hunger, thirst, response to pain, levels of pleasure, sexual satisfaction, anger and aggressive behavior, and more. It also regulates the functioning of the parasympathetic and sympathetic nervous systems, which in turn means it regulates things like pulse, blood pressure, breathing, and arousal in response to emotional circumstances.
The hypothalamus sends instructions to the rest of the body in two ways. The first is to the autonomic nervous system. This allows the hypothalamus to have ultimate control of things like blood pressure, heartrate, breathing, digestion, sweating, and all the sympathetic and parasympathetic functions.
The other way the hypothalamus controls things is via the pituitary gland. It is neurally and chemically connected to the pituitary, which in turn pumps hormones called releasing factors into the bloodstream. As you know, the pituitary is the so-called “master gland,†and these hormones are vitally important in regulating growth and metabolism--and contribute to memory retrieval due to external causatives.
Hope that helps and explains.
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