Can Depression Cause Brain Fog?

Brain fog can occur as a symptom of depression. Several people go through cognitive dysfunction when they are depressed. CD is commonly known as brain fog. Since depression interferes with a person’s daily life, it also impacts the way he thinks. This ability of the mood disorder allows it to induce brain fog.

What Is Depression?

Depression is classified as a mood disorder. It is characterized by deep feelings of sadness and anger that can influence one’s everyday life. This means it can impact one’s eating, sleep, communicating, and other habits as well. Not only does depression alter the way one thinks but also the way he acts. This mental condition is fairly common but quite serious. Several people who are depressed may also consider suicide.

A depressed person is not merely sad. He feels disconnected from everything and everyone around him. Depression is not a short-term problem, but fortunately, it can be treated. Psychologists can provide therapy sessions to depressed patients while psychiatrists can help victims of the ailment combat it by means of medicines.

Depression can be caused mainly due to five reasons. These include genetics, environment, the biology of the brain, the chemistry of the brain, and hormones.

What is Cognitive Dysfunction?

Cognitive dysfunction or brain fog is a condition that impairs the brain’s ability to think, react and remember. As a result, one may find himself confused, lost in the stream of thoughts, unable to remember things. He may also take a lot of time to react along with facing memory problems. Furthermore, CD impacts one’s executive functioning abilities negatively.

People who suffer with CD may find themselves unable to pay attention. They can find it difficult to complete a task such watching a movie or even stringing a complete sentence. They may have trouble multitasking and making decisions. The severity of CD varies from one person to another. One’s mental condition and age may play a role in how severe his symptoms of CD are when he is depressed.

Depression and Cognitive Dysfunction

There was a time when it was believed that depression was merely a mood related disorder. However, studies show a strong link between symptoms of CD and depression. In fact, a huge majority of those – up to 94 percent – who suffer through depression also have symptoms of brain fog.

In case one is going through CD, he must consult a professional to know whether his depressive thoughts and CD are both linked. It can also be that one’s brain is feeling foggy not due to symptoms CD but other symptoms of depression such as sleep loss and fatigue.


Brain fog can be a symptom of depression. Depression is a mood disorder that makes one feel sad and disinterested overall. Brain fog is characterized by the inability to think clearly or remember things. One must consult a psychologist to determine whether or not he has symptoms of CD.