It has been observed that the behaviour of the human being is a consequence of human genetics and “psychology”. The biological behaviour of all the living species in this universe is a “product” of “microbiological structure” and processes. The endocrine system of the nervous system influences the behaviour of humans. The behaviour of an individual depends on biological origin. The behaviour of different human beings is different from others and it solely depends on their biological origin. The discussion of this study is based on the psychological behaviour of human beings. The biological functions of the hormones and enzymes define the behaviour of human beings in this universe.

Functioning of the nervous system and “biological basis” of behaviour

The nervous system is mainly responsible for behavioural changes in the human body. The main function of the nervous system is to send message signals to different parts of the body. As per the requirement of the signals, brains send commands to other organs in the human body. As a result, the organs behave depending on the command of that signal. In addition to that, instruction sent by the brain helps the human body to sense various kinds of sensations such as pain, pleasure, etc. 

Depending on the sensation the human body reacts to. Based on the discussion it can be said that the “biological basis” of behaviour is affected by the functioning of the nervous system.

Biological “elements” that affects biological behaviour

The “biological factors” that create an impact on the biological behaviour of the human being are self-preservation, reproduction, and survival.

• Self-preservation: self-preservation is the biological process of sustaining in critical conditions. The adaptive changes to survive in critical biological situations changes the behaviour of human beings. Human beings are capable of altering the responses of the “stimulus”. As a result, the “biological basis” of behaviour can be controlled.

• Reproduction: The need for reproduction changes the biological behaviour of the living species. The need for reproduction controls the behaviour of the human being. It has been observed that the behaviour of animal’s changes during the reproductive season. Moreover, various hormonal changes occur during this period that results in changes in the “biological basis” of behaviour.

• Survival: The need for existence changes the biological behaviour of the species. The main objective of any species is to survive in critical situations and maintain its existence on the earth.

Importance of Neurons on the biological behaviour

The various neurotransmitters emitted from the neuron control the biological behaviour by releasing chemical components. The chemical components released from the neuron are Ach, Glutamate (released to excite cells, increase electrical charge and initiate more release of transmitters), GABA, Dopamine, etc. that changes the biological behaviour of human beings.

• • Acetylcholine: Acetylcholine is responsible for the transmission of message signals between the brain and the “spinal cord”. It is also responsible for arousal in the brain cells. It has been observed that a low level in Ach occurs low “arousal” and “attention”. As a result, it can be said that the release of Ach controlled the biological behaviour of human beings.

• GABA: GABA is associated with the “calming” effects. It has the ability to control the anxiety level in the human body. A lack in the level of GABA can cause various abnormalities such as tremors, insomnia, epilepsy, etc.

• Dopamine: Dopamine helps in controlling the behaviour of human beings. Abnormal secretion of dopamine can promote an individual towards an addictive mindset. Therefore, it can be said that biological behaviour is affected by the secretion of the dopamine level.

The basis of abnormal human behaviour

The main reason for abnormal human behaviour is the abnormal secretion of hormones and neurotransmitters. As the secretion of the hormones and neurotransmitters controlled the behaviour of the human being. Therefore, the abnormality in the level of various hormones such as Thyroid Stimulating Hormone ((TSH), Follicle Stimulating Hormone (FSH),  etc. are the root cause for abnormal behaviour.

Conclusion

The biological basis of human behaviour is discussed in this section. It is an important aspect of analysing the root cause of healthy human behaviour. The healthiness in human behaviour defines the productiveness of society. Therefore, the factors that affect healthy behaviour are discussed here which is a very important topic from the exam perspective. Based on the detailed description mentioned above it can be concluded that the normal secretion of the hormones, enzymes, and neurotransmitters are responsible for the healthy biological behaviour of human beings.