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The stages that follow shortly after death are: Corneal opacity or "clouding". Pallor mortis, paleness which happens in the first 15–120 minutes after death. Livor mortis, or dependent lividity, a settling of the blood in the lower (dependent) portion of the body. Algor mortis, the reduction in body temperature following death.
Thanatology is the scientific study of death and the losses brought about as a result. It investigates the mechanisms and forensic aspects of death, such as bodily changes that accompany death and the postmortem period, as well as wider psychological and social aspects related to death. It is primarily an interdisciplinary study offered as a ...
Cardiac systole is the contraction of the cardiac muscle in response to an electrochemical stimulus to the heart's cells (cardiomyocytes). Cardiac output is the volume of blood pumped by the ventricles in one minute. The ejection fraction is the volume of blood pumped divided by the total volume of blood in the left ventricle.
George Bonanno, Professor of Clinical Psychology at Columbia University, in his book The Other Side of Sadness: What the New Science of Bereavement Tells Us About Life After a Loss, [39] summarizes peer-reviewed research based on thousands of subjects over two decades and concludes that a natural psychological resilience is a principal ...
Specialty. Clinical psychology, psychiatry. Death anxiety is anxiety caused by thoughts of one's own death, and is also known as thanatophobia (fear of death). [1] Individuals affected by this kind of anxiety experience challenges and adversities in many aspects of their lives. [2] Death anxiety is different from necrophobia, which refers to an ...
Brain death is the permanent, irreversible, and complete loss of brain function, which may include cessation of involuntary activity necessary to sustain life. [1][2][3][4] It differs from persistent vegetative state, in which the person is alive and some autonomic functions remain. [5] It is also distinct from comas as long as some brain and ...
Death education is education about death that focuses on the human and emotional aspects of death. Though it may include teaching on the biological aspects of death, teaching about coping with grief is a primary focus. The scientific study of death is known as thanatology. Thanatology stems from the Greek word thanatos, meaning death, and ology ...
In other cultures, death can include altered states of being, like sleep or illness. [5] In some traditions, death marks the transition into a different kind of existence, or involves a cyclic pattern of death and rebirth. [5] These cultural differences affect people's lifestyles, behaviors, and approach to death and dying. [5]