Cognitive Disorders

Cognitive disorders are mental health disorders that affect learning, perception, memory and ability in decision making. An individual with cognitive disorders has significant difficulty in thinking and analysis. The condition manifests impaired judgment, reasoning and awareness.

Alzheimer's Disease

Alzheimer’s Disease is a disease of the brain which grows worse over time and leads to loss of memory, language abilities and eventually to the loss of the person’s normal functioning, and even to changes in personality. It can lead to the failure of the body's organ systems and is a fatal disease. Alzheimer's Disease is not a part of normal aging. It can cause death three to twenty years from the onset of... Read more about Alzheimer's Disease

Amnestic Disorder

Amnestic disorder is a condition of loss of established past memories and the person’s inability to form new memories and learn new information. The main characteristics of amnestic disorder are ones that involve the memory processing with variable ranges of symptom severity. Amnestic Disorder consists of either an anterograde or retrograde amnesia. The former involves the inability of a person to retain new memories and learning new facts but is able to remember events in the past and know their... Read more about Amnestic Disorder

Asperger's Syndrome

Aperger’s syndrome is a lifelong psychological (neurodevelopmental) disorder which begins in childhood and is marked by a lack of social understanding, limited ability for reciprocal conversation and an intense interest in a particular subject. It is classified as part of the autism spectrum and considered one of the pervasive developmental disorders. Persons with asperger’s syndrome may have an average to superior intelligence, however their social and emotional capabilities are noticeably less developed... Read more about Asperger's Syndrome

Attention Deficit Hyperactivity Disorder

Attention Deficit Hyperactivity Disorder or ADHD refers to a chronic disorder that is obvious in childhood and is characterized by persistent pattern of hyperactivity, being impulsive and unable to pay full attention or focus on task or activities. And with these symptoms, it will be difficult for children to perform well academically, emotionally or even in social... Read more about Attention Deficit Hyperactivity Disorder

Breathing Related Sleep Disorder

Breathing-related sleep disorder is a group of disorders that cause significant disruptions in the normal breathing during sleep. The person affected is often the last person to know they have such condition. The disorder constitutes a part of different variations of a broad group of sleep disorders such as insomnia, hypersomnia, arcolepsy, parasomnia and other sleep related movements such as restless leg syndrome. The most common forms of breathing related sleep disorders are sleep apnea and... Read more about Breathing Related Sleep Disorder

Childhood Disintegrative Disorder

Also known as disintegrative psychosis or Heller's syndrome, childhood disintegrative disorder (CDD) is a rare condition in which children develop normally until age 3 or 4 and then intellectual, social, communication, and other skills will deteriorate or be... Read more about Childhood Disintegrative Disorder

Dissociative Amnesia

Dissociative amnesia is a condition where there is a pervasive memory loss involving personal information which does not result from medical trauma, such as traumatic blow on the head, but rather due to a disturbance on recalling personal information caused by traumatic and stressful experience that is too extensive to be explained by a simple case of... Read more about Dissociative Amnesia

Dissociative Disorder NOS

A dissociative disorder NOS (Not Otherwise Specified) is a disorder which is characterized by dissociative symptoms, such as a disturbance in the typically integrated functions of consciousness, memory, identity, or perception and these disruptions may be abrupt or slow, transient or chronic. Dissociation is the detachment of memories or thoughts from reality and usual... Read more about Dissociative Disorder NOS


Having been around for many years now, there have been several definitions that have been used in describing the condition known as dyslexia. In 1968, the World Federation of Neurologists defined dyslexia as “a disorder in children who, regardless of traditional classroom instruction, did not meet the necessary language skills in reading, spelling, and writing based on their intellectual... Read more about Dyslexia

Learning Disorders

A learning disorder does not involve a problem with the intelligence quotient of a child. In fact, their IQ level falls within the normal range. Learning disorders stems from the brain. An individual suffering from this condition has difficulty processing sensory information that hampers their daily tasks at work or in school. They see, hear, and understand things in a different manner than most individuals... Read more about Learning Disorders

Mental Retardation

Mental retardation is a condition wherein the individual has below average intelligence manifested from birth until early infancy which brings about limited performance of daily living skills. The term “mental retardation” has somewhat created a negative social stigma which prompted doctors and health care practitioners to start replacing it with “intellectual disability”. Because of the recent change, “mental retardation/intellectual disability” is being used to signify the change in... Read more about Mental Retardation

Mixed Receptive Expressive Language Disorder

Mixed receptive expressive language disorder is a communication disorder where there is impairment on the receptive and expressive areas of communication. The extent of the language impairment on both the comprehension and expression areas of language varies from mild to severe. The areas of impairment extend to both the comprehension of what is being told to a person and with the difficulty to express their self through... Read more about Mixed Receptive Expressive Language Disorder

Parkinson's Disease

Symptoms of Parkinson's disease have been known and treated since medieval times, most outstandingly by Averroes. In spite of this, the condition was not officially recognized and its symptoms were not duly documented until the British physician James Parkinson wrote. “An Essay on the Shaking Palsy” in 1817, thus the disease was named after him. Parkinson's disease was also known as paralysis agitans, as quoted by Jean-Martin Charcot. It is described as a degenerative disease of the central nervous... Read more about Parkinson's Disease

Pervasive Developmental Disorder NOS

PDD-NOS belongs to a group of conditions known as pervasive developmental disorders. This group is generally characterized by a delay and deviance in the development of social skills. According to the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), pervasive developmental disorder not otherwise specified or PDD-NOS, is defined as a condition of severe, pervasive impairment in communication skills or the presence of stereotyped behavior, interests and activities with... Read more about Pervasive Developmental Disorder NOS

Rett's Disorder

Rett's disorder is a neurodevelopmental ailment which is classified by DSM-IV-TR in a group of childhood disorders known as pervasive developmental disorders (PDDs) or autistic spectrum disorders. This condition, also called as Rett’s syndrome or RS, is described as the development of specific deficits following a period of normal functioning after birth. In 1965, Andreas Rett, an Austrian physician, identified a syndrome in 22 baby girls who appeared to have developed normally for at least six months,... Read more about Rett's Disorder