Causes and Symptoms of Tumor in Brain

Human Brain Anatony

The brain is the control center of the central nervous system. The brain is extremely complex. It contains more than 100 billion neurons, each linked to more than 10,000 other neurons by interconnects. This enormous number of interconnections provides a complex information processing system which is faster than todays fastest computers. This also enables the human brain to display intelligence.

A neuron is a fatty skin that coats the nerve cells. The coating acts as insulation and allows for fast bursts of signals around the body and brain.

Human brain performs the following tasks:

  1. Controls and regulates body temperature, breathing, digestion, blood pressure and heart rate.
  2. Coordination of information from our various sensors such as eyes, ears, nose, etc.
  3. Coordinates physical motion when walking, talking, standing or sitting.
  4. Allows us think, dream, reason and argue.
  5. Allows us to experience emotions.

Brain & Age

According to a research reported in 2008 by the Scientists at the University of California, our brain is fastest at the age 39 years and afterwards it declines rapidly due to the loss of neurons.

When the coating of the neurons, which acts as an insulator like an electric wire, deteriorates, the signals passing along the neurons in the brain slow down. This slows down the brain activity. After the age of 40 years, it becomes difficult or impossible for the body to repair the protective sheaths.

Delete Bad Memory

Researchers in SUNY Downstate Medical Center, Brooklyn have recently (2009) demonstrated that a single dose of an experimental drug containing a substance called PKMzeta caerase bad memories like emotional associations, spatial knowledge or motor skills. So far, the research has been done only on animals but scientists say it is likely to work in people.

Brain Tumor Symptoms and Causes

Human brain has the following parts:

  1. Brainstem: The brainstem consists of an enlarged portion of the upper spinal cord known as the medulla, pons and midbrain. It controls the reflexes and functions of heart rate, blood pressure, digestion and urination; and limb movements.
  2. Cerebellum: The cerebellum integrates information from the vestibular system that indicates position and movement and uses this information to coordinate limb movements.
  3. Hypothalamus and pituitary gland: These control visceral functions, body temperature and responses such as feeding, drinking, pleasure and aggression.
  4. Thalamus: It helps in sending information from the brainstem and spinal cord to the cerebral cortex.
  5. Cerebral Cortex (also called the Cerebrum): It consists of the cortex, large fiber tracts and some deeper structures (basal ganglia, hippocampus, amygdala). It integrates information from all the sense organs, controls emotions and generates memory and thought processes.
Human Brain Parts Tumor in Human

            Picture of Brain Parts                                                    Brain Tumor Picture

Brain Tumors

Brain tumours are a mass of cells that grow in the brain. They can be malignant or benign. Benign tumours grow slowly and remain small in size. Malignant brain tumors can grow rapidly. About 40% of brain tumours are benign.


It may originate in the brain (the primary brain tumor) or it starts elsewhere in the body such as a lung or breast cancer and spreads to the brain (the metastatic tumours). This depends on whether the tumour is a primary brain tumour, meaning it originates in the brain, or elsewhere.The metastatic tumours are malignant. The causes of primary brain tumours are unknown.


  1. Intermittant headaches that come and go, worse in the morning and when exercising or changing position.
  2. Problems with memory, speech and concentration.
  3. Deterioration in behaviour, temperament and intellectual ability.
  4. Nausea, drowsiness and vision problems


  1. Your Brain Matters
  2. The Brain Research Institute
  3. Human Brain

The content on this website is reviewed regularly and is updated when new information is made available. The information provided is neither intended nor implied to be a substitute for professional medical advice. You should always seek the advice of your Doctor.

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