Sleep is essential. I mean, you spend about one-third of your life asleep, you don’t feel well when you’re sleep deprived and when your sleep quality is bad. But what exactly is sleep and why do we need it? Why is sleep important? Here are a few examples as to why sleep is important: Sleep […]
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Weighing in at around 1.4 kg (3 pounds), our brain is the most complex part of the human body. Lying in the skull and bathed in protective fluid (called cerebrospinal fluid), it powers our intelligence, interprets our senses, initiates our body movement, controls our behaviour, and is the source of all the qualities that define […]
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The nervous system is the system that allows the brain to communicate with every part of the body. The nervous system can be split into two sub-systems, The Central Nervous system (CNS) which has been discussed in a previous article, and The Peripheral Nervous System (PNS). The PNS is the nerves that carry information between […]
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What is a neuron? The central nervous system (the brain and spinal cord) is made up of two types of cells: neurons and glia. Neurons are crucial players in the brain, where they act as messengers. They are able to do this using electrical impulses and chemical signals to relay information throughout the brain and […]
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Neuroscientists have traditionally divided the human brain into 4 lobes; these are the frontal, parietal, temporal and occipital lobes. There are not clear internal boundaries between the lobes, but they are separated from one another externally, demarcated by deep grooves called fissures or sulci. As its name suggests, the frontal lobe is located at the […]
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