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Figure 1: The adaptive and maladaptive cycles resulting from agonistic (hierarchical) encounters. [5]Unlike other evolutionary explanations of depression, rank theory is able to explain why depression is incapacitating: [1] by functioning as a substitute for physical damage, incapacitation prevents the 'loser' from posing a threat to the competitor they challenged.
Symptoms include depression, anxiety, and anger. Chronic stress can create medical problems including high blood pressure, diabetes, and a compromised immune system. [8] The impact may reduce the care-giver's life expectancy. [9] According to a UK-based study, almost two out of three carers of people with dementia feel lonely.
Dementia, however, can present early in its disease course with depressive symptoms, meaning that this association could actually be reflecting that dementia causes late life depression. [23] Studies that have directly tried to determine whether depression is an independent risk factor for dementia have led to inconclusive results.
Also known as “sundowner’s syndrome,” sundowning is a set of symptoms or behaviors that can be seen in some people with Alzheimer’s disease and dementia, according to the Alzheimer’s ...
Death anxiety is anxiety caused by thoughts of one's own death, and is also known as thanatophobia (fear of death). [1] This anxiety can significantly impact various aspects of a person's life. [2] Death anxiety is different from necrophobia, which refers to an irrational or disproportionate fear of dead bodies or of anything associated with ...
The stage of exhaustion. The body is completely drained of the hormones and resources it was depending on to manage the stressor. The person now begins to exhibit behaviors such as anxiety, irritability, avoidance of responsibilities and relationships, self-destructive behavior, and poor judgment.
The model was introduced by Kübler-Ross in her 1969 book On Death and Dying, [10] and was inspired by her work with terminally ill patients. [11] Motivated by the lack of instruction in medical schools on the subject of death and dying, Kübler-Ross examined death and those faced with it at the University of Chicago's medical school.
Frailty can have various symptoms including muscle weakness (reduced grip strength), slower walking speed, exhaustion, unintentional weight loss, and frequent falls. [ 3 ] [ 4 ] Older people with certain medical conditions such as diabetes , heart disease and dementia , are also more likely to have frailty.