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1.     Develop a 1 written on the biological basic of a emotions.

2.     Explain how the nervous system involved in sleep behanlor

Physiological basis of emotion.

The emotions are always accompanied by somatic reactions are present in the body, causing changes in blood circulation, respiratory changes and glandular secretions.
Responsible for regulating the physiological aspects of emotion is the autonomic nervous system (ANS) that accelerates and decelerates the organs through the sympathetic and parasympathetic system.
Sympathetic system: it begins in the spinal cord and travels to a variety of areas in the body, its function is to prepare the body for vigorous activity associated with the flight or fight. SNS activity: dilated pupils, opens the eyelids stimulates the sweat glands, dilates blood vessels in the muscles, increases heart rate, inhibits reactions in the digestive system.
Parasympathetic system: rooted in the brain stem and spinal cord, its function is antagonistic to the role of SNS slows and brings the body back to the emergency
Limbic System: includes major centers such as the hypothalamus, hippocampus and amygdala him. Its function is to regulate emotions.
Hypothalamus regulates hunger, thirst, pain response, level of pleasure, sexual satisfaction, anger and behavior of the sympathetic and parasympathetic nervous systems, which means that regulates the pulse, blood pressure in emotional circumstances.
Hippocampus: its importance is in control of memory in the short and long term within the emotions, if the hippocampus is damaged a person can not build new memory.
Amygdala is responsible for processing emotion through the human beings experience pain, anguish and joy.
Prefrontal and frontal lobes: play a special role in the assimilation of emotions neocortical moderates emotional reactions slowing the signs of the limbic system, develop concrete action plans to emotional situations.
Frontal lobe: responsible for coordination of emotions.

Relationship of the nervous system in sleep behavior.

During sleep we can find great activity in the cortex associated with the inferior parietallobe and the occipitotemporal cortex, involved in visual images.
  We see a response in prefrontal cortex deactivation, which explains the lack of logical reasoning in the process of sleep. The memory structures are actively involved in the development of sleep behavior.
The anterior frontal lobe, regulates and produces the sleep cycle and the subsequentactive waking, brain stem and hippocampus are related to the conduct of sleep, Thecerotonina facilitates the synthesis and release of substances necessary for sleep hinogenas deep, melatonin induces the appearance of deep, restful sleep, producing drowsiness.
Crash of the nervous system and access roads intercerebrales[1].

Luis Martinez.
Kelly Charris.

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[1] http://mural.uv.es/teboluz/index2.html#nombre4