Brodmann Areas Diseases

Brodmann areas are regions of the brain mapped out by the German neurologist Korbinian Brodmann. These areas play crucial roles in various functions like sensory perception, motor coordination, and higher cognitive processes. However, diseases affecting Brodmann areas can disrupt these functions, leading to a range of symptoms and complications. Understanding these diseases, their symptoms, and available treatments is essential for better management and care.

Brodmann areas are numbered regions of the cerebral cortex, each with its own distinct functions. Diseases affecting these areas can manifest in diverse ways, depending on the specific region impacted. Here are some common Brodmann areas diseases and their associated symptoms:

  1. Brodmann Area 4 (Primary Motor Cortex): Damage to this area can result in motor deficits such as weakness, paralysis, or loss of fine motor control.
  2. Brodmann Area 17 (Primary Visual Cortex): Conditions affecting this area may lead to visual disturbances, including blurred vision, visual hallucinations, or even blindness.
  3. Brodmann Area 22 (Wernicke’s Area): Damage to Wernicke’s area can cause receptive aphasia, where individuals struggle to comprehend language despite intact speech production.
  4. Brodmann Area 44 & 45 (Broca’s Area): Lesions in these areas often lead to expressive aphasia, characterized by difficulty in producing coherent speech.

Types of Brodmann Areas Diseases

  1. Stroke: A common cause of Brodmann area damage, strokes occur when blood flow to a part of the brain is disrupted, leading to tissue death and neurological deficits.
  2. Traumatic Brain Injury (TBI): Severe blows or jolts to the head can damage Brodmann areas, resulting in cognitive impairments, motor deficits, and other neurological symptoms.
  3. Neurodegenerative Diseases: Conditions like Alzheimer’s disease, Parkinson’s disease, and Huntington’s disease progressively damage Brodmann areas, leading to memory loss, movement disorders, and cognitive decline.
  4. Brain Tumors: Tumors growing within or near Brodmann areas can exert pressure on brain tissue, causing a range of symptoms depending on the affected region.

Symptoms of Brodmann Areas Diseases

  1. Weakness or Paralysis: Difficulty moving one or more limbs due to motor cortex damage.
  2. Visual Disturbances: Blurred vision, visual field defects, or even total blindness due to primary visual cortex involvement.
  3. Language Impairments: Difficulty speaking (Broca’s aphasia) or understanding language (Wernicke’s aphasia).
  4. Memory Loss: Forgetfulness, confusion, or difficulty forming new memories, common in neurodegenerative diseases affecting multiple Brodmann areas.

Diagnostic Tests

  1. Medical History: Understanding the patient’s symptoms, medical history, and any recent injuries or illnesses can provide valuable clues.
  2. Neurological Examination: Assessing motor function, sensory perception, reflexes, and cognitive abilities can help localize the affected Brodmann area.
  3. Imaging Studies: MRI or CT scans can visualize brain structures and identify lesions, tumors, or areas of ischemia.
  4. Electroencephalogram (EEG): Measures brain electrical activity and can detect abnormalities associated with certain conditions like epilepsy or brain tumors.

Non-Pharmacological Treatments

  1. Physical Therapy: Helps improve motor function, mobility, and coordination following brain injuries or strokes affecting motor cortex.
  2. Speech Therapy: Assists individuals with language impairments in regaining communication skills and overcoming aphasia.
  3. Occupational Therapy: Focuses on enhancing daily living skills and cognitive function to improve independence and quality of life.
  4. Cognitive Rehabilitation: Targets memory, attention, and executive function deficits through specialized exercises and strategies.

Drugs Used in Treatment

  1. Anticoagulants: Prevent blood clot formation and reduce stroke risk.
  2. Anti-seizure Medications: Control seizures in conditions like epilepsy or following traumatic brain injuries.
  3. Dopaminergic Agents: Manage motor symptoms in Parkinson’s disease by increasing dopamine levels in the brain.
  4. Cholinesterase Inhibitors: Improve cognitive function in Alzheimer’s disease by increasing acetylcholine levels.


  1. Craniotomy: Surgical removal of brain tumors or lesions causing neurological symptoms.
  2. Deep Brain Stimulation (DBS): Implanting electrodes in specific brain regions to modulate abnormal neural activity and alleviate symptoms in conditions like Parkinson’s disease.


  1. Wear Helmets: Protects against traumatic brain injuries, reducing the risk of damage to Brodmann areas.
  2. Control Blood Pressure: Maintaining healthy blood pressure levels lowers the risk of stroke and subsequent brain damage.

When to See a Doctor

Seek medical attention if you experience:

  1. Sudden weakness or paralysis.
  2. Visual disturbances.
  3. Difficulty speaking or understanding language.
  4. Memory loss or cognitive decline.

In conclusion, diseases affecting Brodmann areas can have profound effects on neurological function, leading to a variety of symptoms and complications. Early diagnosis, appropriate treatment, and rehabilitation efforts are crucial for optimizing outcomes and improving quality of life for affected individuals. By understanding the basics of Brodmann areas diseases and their management, individuals can better advocate for their own health and well-being.


Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical  history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. Thank you for giving your valuable time to read the article.