Brain
Essays

Substance and drug abuse have inherent effects on human growth and development. This is more pronounced when users are addicted to some drugs like marijuana, cocaine, and alcohol, among other drugs. This study shows that various developmental aspects of a human being like the brain are affected by drug abuse. The physiological/biological, psychological, and social development is significantly affected by drug abuse and misuse as the study shows.

Parkinson's disease contains a genetic component to its development. Mutations on chromosomes 4 indicate a recessive autosomal mode of inheritance, while a mutation in the genes on the chromosome 6 allele indicates a dominant autosomal method of inheritance. This is important in determining the chances of future offspring to develop Parkinson's disease. There are numerous treatment methods to alleviate the trembling symptoms associated with the disease, however, a cure does not exist. There has been progress with stem cell implantation, but the ethical and moral objections to the use of stem cells has hindered any significant progress in this field.

¶ … birds have a higher body temperature when compared to mammals. One would think that mammals would have higher body temperatures, but the need to better insulate their eggs outside of their bodies creates a need for…

The nerve growth factor is a neurotrophin that promotes the survival and growth of neurons. If antibodies to that growth factor were to be injected into an organism that had a developing nerve system the nerve growth would slow or end, based on no development of axons, dendrites and new synapses

Exploring the issues and dynamics of Biological Psychology gives one a clearer picture of the neurological interactions which are contributing to human thought an behavior. Using examples and explanations from Kalat's text allows one to view issues like depression, schizophrenia and certain forms of brain damage with a clearer and more lucid perspective.

Answered within these textbook questions are ones about neurons, action potential, threshold, resting potential and the like. The effect of drugs and addictions (both drug and non-drug) are looked at as well as the effects of drugs like Ritalin and phenylephrine and the side effects that they can cause, whether they be intended/good or not.

¶ … evolution have enabled blind mole rats to synchronize their SCN activity to light, even though they cannot see well enough to make any use of the light?

Adolescence is an important stage between childhood and adulthood where individuals undergo a serious transition in their lives. Societies have diverse concerning this stage, as it is the case of the American society depicted in this study. Evidently, this stage ushers varying transformations in the personalized life among the concerned in the society: ancient fathers viewed it as advantageous to the growth and development of a person from being a childhood to adulthood.

The human ear is one of the body's sensory organs that is used for both hearing and balance. The ear seems to have evolutionarily developed based on the need for a more acute sense outside of the water.

Various organizations and individuals in such organizations are always expected to make critical decisions shaping their direction. This study analyzes various articles touching on the aspect of decision making. It is evident that decision-making is vital throughout lives of individuals and organizations. However, vital decisions tend to disrupt ethical strengths of decision makers because self-interests and unethical choices might become profitable but can draw permanent dire consequences.