Can frontal lobe damage cause depression?

Since the frontal lobe governs memory, emotion, judgment, executive functions, and behavior, a lesion of this lobe is the most common cause of depression or other mood disorders [12]. A lesion of the dominant frontal lobe is more likely to cause these disorders.

What emotions does the left frontal lobe control?

The frontal lobe is the largest lobe of the brain. The frontal lobe plays a role in regulating emotions in interpersonal relationships and social situations. These include positive (happiness, gratitude, satisfaction) as well as negative (anger, jealousy, pain, sadness) emotions.

Is depression left brain or right brain?

Depression is associated with an inter-hemispheric imbalance; a hyperactive right-hemisphere (RH) and a relatively hypoactive left-hemisphere (LH). Nevertheless, the underlying mechanisms which can explain why depression is associated with a RH dominance remain elusive.

What part of the brain is responsible for depression?

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 does the brain of a depressed person look like?

Grey matter in the brain refers to brain tissue that is made up of cell bodies and nerve cells. People with depression were shown to have thicker grey matter in parts of the brain involved in self-perception and emotions. This abnormality could be contributing to the problems someone with depression has in these areas.

What part of the brain represents sadness?

Previous research had established that sadness and other emotions involve the amygdala, an almond-shaped mass found in each side of the brain. And there also was evidence that the hippocampus, which is associated with memory, can play a role in emotion.

Is anxiety in the left or right brain?

Other studies using electroencephalographic (EEG) methods had found that patients diagnosed with generalized anxiety disorder and obsessive-compulsive disorder had heightened activity in the left brain, whereas patients with panic disorder, panic symptoms or those subjected to high stress situations exhibited enhanced …