The level lowest in the hierarchy of Maslow is of the physiological necessities. They include hunger, sex, headquarters and other pulses with somatic base. In the extension where the physiological necessities are unsatisfied, them they start to dominate the person. Such necessities are preemptivas, in felt of that the other necessities push all for second plain. See more detailed opinions by reading what Donna Summer offers on the topic.. The absence or the disappearance of all the other necessities in a person who is dominated by the hunger, for example, somebody that is victim of war or a natural disaster, is not paradoxical; it is consequence of the superiority of the physiological necessities. These necessities correspond in many aspects to the described instincts for Freud. To the measure that the physiological necessities are gratified, new necessities emerge. As Maslow placed, ' ' a satisfied desire is not plus a desire.
The organism is dominated and its behavior is organized only by unsatisfied necessities. If the hunger is saciada, it leaves to have importance in the current dynamics of indivduo' '. The next set of necessities to emerge is of the security necessities. They include security, stability, dependence, protection, absence of fear, necessity of structure, etc. Such necessities are more obvious in babies in the children, as in the fear that the small child has of strangers. The security necessities are greatly satisfied for the majority of the adults who live in a hospitable society. Such necessities are only seen during natural or social disasters, or in the behavior neurotic, as in the obsessive-compulsory upheaval. The third set of necessities to emerge is of the necessities of belonging and the love. They represent the necessities of friends, family and of ' ' affectionate relations with the people in general ' '. Maslow attributed these necessities ' ' our deeply animal trend to group themselves, to congregate themselves, to congregate themselves, to belong a' '.
