Environmental stimulation refers to the way the environment provides stimulation in the form of social interactions and learning opportunities. Stimulating environments such as an enriched or an impoverished environment can lead to an increase in the number of synapses, which is brain plasticity. Brain plasticity refers to the ability of the brain to respond and be modified by new experiences, and to changes in the environment. This essay attempt to offer a considered and balanced review that includes a range of arguments, factors or hypothesis on one effect of the environment on physiological processes, supported by research studies. The one effect of an environment on physiological processes that will be discussed is the effect of enriched and impoverished environments on brain mass and dendritic branching, and how certain effects of the environment can affect physiological processes.
The human brain has developed to endure motivated cognition and behaviors that are critical to survival of one’s group. A study was done to determine if parochial altruism influences the brain biologically via oxytocin. Oxytocin is a hormone and neurotransmitter that is produced in the hypothalamus and released into the bloodstream where it does many things including the regulation of the autonomic nervous system. Oxytocin is found to be released into the blood stream when associating with close kin and triggers numerous receptors that the brain links with empathy, generosity and increases the tendency towards trust and cooperation.
Studies have been made into why childhood trauma affects the adult life of its victim. But now, researchers have begun to reveal what happens in the brain following this kind of trauma. Trauma can cause lasting changes in the areas of the brain that deal with stress, namely the amygdala, hippocampus, and prefrontal
It is thought that the hippocampus works with the amygdala, which is another important part of the limbic system responsible for fear and for storing memories of events for future recognition. Thus both the hippocampus and the limbic system play essential roles in human memory. Experts believe the hippocampus may work as a gateway through which new memories pass to enter to the permanent long-term memory storage.5 It is generally agreed that the hippocampus also has part of the role of detecting new surroundings, occurrences and stimuli. Some scientists believe it is specifically involved in declarative memory (explicit memory), which is one of the two main types of memory into which long-term memory is divided, and consists of facts, events and performance skills that can be consciously recalled or declared. It has to do with information that can be explicitly stored and
Neural Influences involves understanding that aggression is not solely formed in one particular area of the brain. Yet, researchers have identified several different parts of the brain involved in the production and control of aggressive behaviour, these included the hypothalamus and the amygdala. The hypothalamus is section of the brain, which helps form new memories, coordinates both the automatic nervous system and the activity of the pituitary. The amygdala is involved with experiencing
Certain practical implications of learning new and re-learning neural pathways will also be identified within the text. The yips, focal dystonia and the neurological cause of it will be explained. Finally there will be a discussion on how focal
Additionally, touch helps the brain to develop. The impact is huge; affecting both adolescent behavior as well as the mental development or emotional growth of adults. The debate over the significance of nature versus nurture influencing human development
The emphasis upon infancy and early childhood may align serial killers with the Biological Trait Theories. These theories focus upon biological conditions that may control human behaviors. Neurophysiology is the study of brain function. It has uncovered neurological and physical abnormalities that may begin as early as the prenatal stage in some humans. There have been links between the impairment of executive brain function and aggression through such research (Aynesworth 1999).
1. Explain why evolution often selects traits that promote genetic diversity. Evolution often selects traits that promote genetic diversity because genetic diversity boosts the chances that at least some members of the population will have a combination of traits that will allow them to survive and reproduce in a changing environment. Organisms that rely on asexual reproduction have virtually identical offspring, and they are successful in a stable environment; however, conditions rarely remain constant on Earth. Therefore, evolution favors traits that promote genetic diversity because the conditions on Earth are always changing, and genetic variability provides organisms a better chance of survival than organisms that do not have genetic variability.
Spasticity: a multidisciplinary disorder If you or a loved one has been diagnosed with spasticity, it is important to gain a comprehensive understanding of the disorder and its impacts. Knowing the causes and effects of spasticity can give insight into treatment options and will improve your ability to manage the effects of the condition. What is spasticity and how is it caused? Spasticity is a condition that can be caused by damage to the area of the brain or spinal cord in which voluntary movement controls are located. It can also be caused by a number of velocity-dependent conditions affecting the Central Nervous System.