Hypothalamus

Aggression is a complex and intriguing phenomenon. What causes a person to want to intentionally harm someone? What motivates and drives them to this? How does it affect a person? Aggression comes in many forms and be triggered by various factors. It can impact the lives of all parties involved. Aggression usually refers to certain behaviors that can result in harm to oneself or another. It deals with malicious, unfriendly, and forceful behavior. Even if harm is not achieved, the intention is…

developed instincts as a species to avoid danger and survive at all costs. One of these features that has evolved with our species is called “Fight or Flight Response” in an article written by How Stuff Works, Julia Layton tells us that “When the hypothalamus tells the sympathetic nervous system to kick into gear, the overall effect is that the body speeds up, tenses up and becomes generally very alert”. This same response will initiate for various reasons and is a learned response. It has…

Indeed, the process of sleep and wakefulness is regulated by the hypothalamus, brainstem, and basal forebrain, also, they are part of the arousal system. Individuals with insomnia have a high cerebral metabolism in these areas during non-REM sleep. However, the cerebral metabolic rate decreases among individual with no insomnia…

Recall that somatostatin is also released by the hypothalamus (as GHIH), and the stomach and intestines also secrete it. An inhibiting hormone, pancreatic somatostatin inhibits the release of both glucagon and insulin. The PP cell accounts for about one percent of islet cells and secretes the pancreatic polypeptide…

the mind and consciousness, it is possible that it can exist without both. After all, there are animals that have a brain, but possess no awareness. The brain controls the limbic system, which includes the hippocampus, thalamus, amygdala, and hypothalamus, interconnecting for cognitive processes and emotions. The developing brain starts formation from the first trimester of a pregnancy and continues through to the mid-twenties. Any maltreatment can impede growth and myelination, stopping or…

Temperature What does temperature tell us about our health?What our temperature tells us about our health is that it shows how many times we breath our heart rate and our brain waves.temperature is 98.8 How does the body regulate our temperature?The hypothalamus is the processing centre in the brain that controls body…

1.1 Introduction: Both living and non-living things are composed of molecules made from chemical elements such as Carbon, Hydrogen, Oxygen, and Nitrogen. The organization of these molecules into cells is one feature that distinguishes living things from all other matter. The cell is the smallest unit of matter that can carry on all the processes of life. The three principles define cell theory: 1. All living things are composed of one or more cells. 2. Cells are the basic units of structure and…

Although everyone has a different level of toleration, fear is something everyone has. Many things can cause fear, including imagination. People see imagination as something joyful or magical. This is mainly the case, but every now and then imagination can be a bad thing and can overcome reality. Imagination can create illusions that lead to a life of paranoia and anxiety as well as a life of happiness. These illusions can affect the way we think and act, making it seem as though we are in that…

Preface In the movie Memento, the viewer is faced with a number of questions about memory and the influences it has on a person’s satisfaction in life, their personality and brain function. These questions are especially relevant to the protagonist, Leonard Shelby who has Anterograde amnesia after damage to the hippocampus. The director, Christopher Nolan, accurately portrays the influences of hippocampal damage, similarly seen in Henry Molasis (H.M) Biological Biologically speaking,…

not. Studies that have been conducted show that there may a slight difference in size of the brain depending on sexuality. In 1991, a study also published in the journal Science that the hypothalamus in a gay man differs from those in a straight man. Also, the third interstitial nucleus of the anterior hypothalamus was found to be twice as large as those in a straight man. (Levay, 1991) PET and MRI studies that were conducted in 2008, show that the two halves of the male brain are more…