Brain & Mental Health

progressive mental deterioration that can occur in middle or old age, due to generalized degeneration of the brain. It is the most common caus...

The amygdalae (singular: amygdala; /əˈmɪɡdələ/; also corpus amygdaloideum; Latin, from Greek ἀμυγδαλή, amygdalē, 'almond', 'tonsil') are two a...

A feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome.

Primary central nervous system (CNS) lymphoma is a disease in which malignant (cancer) cells form in the lymph tissue of the brain and/or spin...

Cognitive Activity occurs when learning a new skill, adopting a new hobby, recalling an event, or engaging in formal education

Cognitive deficit or cognitive impairment is an inclusive term to describe any characteristic that acts as a barrier to the cognition process....

A concussion is a mild traumatic brain injury (TBI). It can occur after an impact to the head or after a whiplash-type injury that causes the ...

Delirium is a serious disturbance in mental abilities that results in confused thinking and reduced awareness of your environment. The start o...

Chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, ...

Depression is a state of low mood and aversion to activity or apathy that can affect a person's thoughts, behavior, feelings and sense of well...

Distraction is the process of diverting the attention of an individual or group from the desired area of focus and thereby blocking or diminis...

Eating disorders are mental disorders defined by abnormal eating habits that negatively affect a person's physical or mental health. They incl...

Epilepsy is a group of neurological diseases characterized by epileptic seizures. Epileptic seizures are episodes that can vary from brief and...

Intelligence can be defined as a person's cognitive abilities to learn. It is also associated with school performance, IQ, logic, abstract tho...

Recurrent, impulsive, problematic outbursts of verbal or physical aggression that are disproportionate to the situations that trigger them.

Anger or wrath is an intense emotional response. It is an emotion that involves a strong uncomfortable and emotional response to a perceived p...

Job stress can be defined as the harmful physical and emotional responses that occur when the requirements of the job do not match the capabil...

Learning is the act of acquiring new, or modifying and reinforcing existing, knowledge, behaviors, skills, values, or preferences which may le...

Learning disability is a classification that includes several areas of functioning in which a person has difficulty learning in a typical mann...

Memory is our ability to encode, store, retain and subsequently recall information and past experiences in the human brain. It can be thought ...

A mental disorder, also called a mental illness or psychiatric disorder, is a diagnosis by a mental health professional of a behavioral or men...

Most people think of stroke as a disease of old age. But newborns have as high a risk of stroke as the elderly. Stroke in the first 28 days of...

Parkinson's disease (PD) is a long-term degenerative disorder of the central nervous system that mainly affects the motor system. The symptoms...

Positive affectivity (PA) is a characteristic that describes how animals and humans experience positive emotions and interact with others and ...

Post-traumatic stress disorder (PTSD) is a mental health condition that's triggered by a terrifying event — either experiencing it or witnessi...

Sadness is an emotional pain associated with, or characterized by, feelings of disadvantage, loss, despair, grief, helplessness, disappointmen...

Schizophrenia is a mental disorder characterized by abnormal social behavior and failure to understand what is real. Common symptoms include f...

In psychology, stress is a feeling of strain and pressure. Small amounts of stress may be desired, beneficial, and even healthy. Positive stre...

Stroke is when poor blood flow to the brain results in cell death. There are two main types of stroke: ischemic, due to lack of blood flow, an...

Self-reported ratings of well being and happiness; either in general, in reduced stress, or in response to euphoric substances.

Suicide is the act of intentionally causing one's own death. Risk factors include mental disorders such as depression, bipolar disorder, schiz...

Toxoplasmosis is a parasitic disease caused by Toxoplasma gondii. Infections with toxoplasmosis usually cause no symptoms in adult humans. Occ...

Violent crime involves physical violence. e.g. homicide, aggression, domestic violence