What does depression mean in anatomy?
Depression refers to movement of a body part in an inferior direction, or moving downward. When you are depressed, you feel down in the dumps, right? Therefore, depression is easy to remember as movement in an inferior, or downward direction.
What is an example of depression in anatomy?
Examples of depression include: Returning the shoulders to resting anatomical position after shrugging. Depressing the mandible during mastication or phonation to open the mouth.
What is depression in joint movement?
Definition of depression in the context of movement of the body: Depression is the downward movement of structures of the body, e.g. depression of a shoulder joint lowers the corresponding arm vertically downwards. The movement of depression is the opposite of the movement of elevation.
What does depression mean in biology?
Depression is characterized by a loss of plasticity—negative neuroplasticity; patients feel imprisoned in their own repetitive negative thoughts. It’s long been known that prolonged or excessive outpouring of stress hormones curbs the growth of nerve cells, particularly in the hippocampus, seat of memory and learning.
What does it mean to depress a muscle?
1. A muscle that flattens or lowers a part. 2. Anything that depresses or retards functional activity. 3.
What are the causes of depression?
Causes – Clinical depression
- Stressful events. Most people take time to come to terms with stressful events, such as bereavement or a relationship breakdown.
- Family history.
- Giving birth.
- Alcohol and drugs.
How does depression affect movement?
Adults with depression demonstrate decreased overall motor activity (Wehr et al., 1980; Wolff et al., 1985), slower motor response times (Schwartz et al., 1989) and disrupted gross and fine motor movements relative to comparison groups (for review, see Schrijvers et al., 2008).
What does depress mandible mean?
1. a hollow or depressed area. 2. a lowering or decrease of functional activity.
How does depression work in the body?
Depression, especially when it goes untreated, can actually change the brain, making episodes worse or more frequent. It also impacts the body and physical health, causing fatigue, digestive issues, pain, and other complications related to the poor decisions made when in a depressed mood.
What depressor means?
Definition of depressor : one that depresses: such as. a : a muscle that draws down a part — compare levator. b : a device for pressing down or aside. c : a nerve or nerve fiber that decreases the activity or the tone of the organ or the part it innervates.
What is the opposite of depression in anatomy?
Depression, in an anatomical term of motion for movement in an inferior direction. It is the opposite of elevation.
What depression does to the human body?
Physical symptoms are common in depression, and, in fact, vague aches and pain are often the presenting symptoms of depression. These symptoms include chronic joint pain, limb pain, back pain, gastrointestinal problems, tiredness, sleep disturbances, psychomotor activity changes, and appetite changes.
How is depression caused in the brain?
Schildkraut proposed depression occurred when there is too little norepinephrine in certain brain circuits. Alternatively, mania results when there is too much of the neurotransmitter in the brain. There is evidence that supports the hypothesis, however, it has not gone unchallenged by researchers.
What exactly happens in depression?
Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems.
Where is depression in the brain?
The main subcortical limbic brain regions implicated in depression are the amygdala, hippocampus, and the dorsomedial thalamus. Both structural and functional abnormalities in these areas have been found in depression.
What is depression and elevation in anatomy?
Depression and elevation are downward and upward movements of the scapula or mandible. The upward movement of the scapula and shoulder is elevation, while a downward movement is depression. These movements are used to shrug your shoulders.
What is the main effect of depression?
Depression doesn’t just affect the mind; it also affects the body. Some of the physical effects include erratic sleep habits, loss of appetite (or increased appetite with atypical depression), constant fatigue, muscle aches, headaches, and back pain.
What is retraction of the mandible?
Retraction is the opposite motion, with the scapula being pulled posteriorly and medially, toward the vertebral column. For the mandible, protraction occurs when the lower jaw is pushed forward, to stick out the chin, while retraction pulls the lower jaw backward. Movements of the mandible. More details.