There are two distinct kinds of cells in the eyes, the cones and the rods. The cones are the cells which are responsible for transmitting color vision to the brain. As InnVista explains, there are three different kinds of cones: green absorbing,...
Being nervous can lead to agitation, irritability and a paralyzing anxiety when taken to the extreme. Endurance sports help reduce a person's stress level and improve mood and anxiety levels, according to a "ScienceDaily" article in 2008 titled...
The idea of losing weight by changing your brain was developed by Dr. Daniel Amen, a psychiatrist at the University of California at Irvine. Amen's book "Change Your Brain, Change Your Body" focuses on his use of brain imaging and brain scans to...
Everyone can be forgetful at times, but as seniors age, impaired memory and cognitive function can be signs of Alzheimer's disease. Alzheimer's disease is a progressive, degenerative neurological condition that causes symptoms of forgetfulness,...
Attention deficit/hyperactivity disorder involves hyperactivity, impulsivity and problems with maintaining attention. Individuals with this disorder often have difficulty functioning in day-to-day life. ADHD becomes evident in childhood and often...
Bipolar depression can cause dramatic changes in behavior, mood and thinking. Often referred to as bipolar disorder or manic depression, it causes people to experience periods of severe depression followed by delirious highs of mania. Unlike...
A headache is a dull throbbing pain that occurs throughout the skull or within localized regions of the head. Tension headaches can involve the neck and shoulders as well as the head. Most headaches are generally harmless and can be treated with...
Robotic treadmill training is an effective way to treat patients that have suffered from traumatic spinal cord or brain injuries, stroke, cerebral palsy or multiple sclerosis. Studies indicate this type of training increases activity in parts of...
The Stoop test is the standard when it comes to measuring cognitive control, according to an August 2007 article in "Behavioral and Brain Functions." The Stroop test presents participants with a list of color words that are never printed in the...
In the 1990s, adult attention deficit syndrome was not recognized as a disorder. The prevailing idea was that children outgrew attention deficit syndrome prior to adulthood, according to Barbara Fisher in her book "Attention Deficit Disorder:...
Whether it is forgetting a "to-do" item or someone's name, memory problems are common and most everyone at one time or another will experience a memory lapse. There are a variety of mental health conditions that can cause memory impairment at some...
In 1983 infant researcher Andy Meltzoff made news when he stuck his tongue out at a 42-minute-old newborn and got a tongue back in response. Before that, researchers thought babies were blind at birth. Infant brain research continues to teach us...
Alzheimer's disease starts in the brain and leads to changes in functioning and behaviors. Brain imaging and genetic studies give insight to the way the disease starts and how it progresses through the body. Such scientific advances are beneficial...
Running is an inexpensive, time efficient way to burn calories and tone your body. The only equipment you need is a good pair of running shoes. In addition to losing weight and flattening your stomach, running can improve your cardiorespiratory...
The temporal lobes are brain areas that sit behind the eye sockets and under the temple on each side. Seen from the side, the brain looks like a boxing glove with the thumb pointing in the direction of your gaze. Each temporal lobe is where the...
Depression is an illness of the mind, but it also affects the body. It tends to affect women more than men, and it often co-exists with other illnesses, such as anxiety disorders and phobias, according to the National Institute of Mental Health...
The temporal lobes are located behind and below the frontal lobes. A brain seen from the side looks like a boxing glove with the thumb sticking out in the direction of the viewer. The temporal lobes are where the thumbs would be. The left temporal...
Wide varieties of medical procedures are used for the brain. These tools aim to diagnose illnesses, study the maturation of the brain and to treat certain conditions. Currently, some of them are mainly used in medical research, but these methods...
While there is no definitive cause of depression, according to the Mayo Clinic there is some evidence that one etiology of depression is inherited, as depression is more common in those with biological family members who also suffer from some form...
Mile after mile, one foot in front of the other, the endless pavement stretching in front of you. Occasionally a barking dog disturbs the monotony. After running two hours, some athletes experience a euphoric state, or "runner's high,"...
A 2010 paper in "Physics of Life Reviews" speculates that the vocalizations of ancient humans have developed into two forms. The first type is more concrete and became language. The second type is more emotional and became music. The human brain...
A collection of blood in the space that is between the middle layer of the brain and its outer layer is called a subdural hematoma. It is caused by bleeding veins, which are located on the inside of the brain, and can happen after a blow or punch...
Bipolar disorder, another name for manic depression, is a psychiatric illness that affects the brain and behavior. According to the Mayo Clinic, the cause of bipolar disorder is a bit of a mystery. It is thought, however, to be triggered by a...
The early stages of Alzheimer's disease are subtle and not always noticeable. Each person will display signs differently. Monitoring for signs of Alzheimer's allows a victim and family members to prepare for the future. Alzheimer's has no cure.
Memory is a complex function that involves multiple steps, starting with the input of the stimulus to the brain and ending with independent memory retrieval. Georgia Tech states that human memory is made up of three basic stages: sensory memory,...
Head tumors can be either benign or noncancerous or malignant or cancerous. According to the "Merck Manuals," head tumors are generally more common in men than women. Head tumors can be either primary tumors or metastases from other tumors that...
"Depressive disorder" is a generalized term. As the National Institute of Mental Health (NIMH) explains, there are a variety of depressive disorders, the most common being major depressive disorder and dysthymic disorder. While these disorders...
Bipolar disorder is a mood disorder in which individuals experience mania and extremely high euphoric mood, which may alternate with bouts of depression. The definitive cause of the disorder is unknown; however, risk factors include inherited...
Neonatal herpes is a potentially fatal infection caused by the herpes virus. Neonates catch the virus during the birthing process, especially if it is a vaginal delivery and the mother has active herpes lesions at the time. But most babies with...
Brain tumors are created by abnormal and uncontrolled cell division. Learn about the symptoms and treatments for brain cancer in this video.
Dyslexia is an impairment in your brain's ability to translate written images received from your eyes into meaningful language. Dyslexia is a very common learning disability in children. Learn about the different causes, symptoms, and treatments...
