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The Human Brain
Transcript of The Human Brain
The Human Brain
The Frontal Lobe
The Temporal Lobe
The brain is an organ and the control center of your body.
There are different parts of the brain and the each part has different functions.
There are four major lobes of the brain.
The frontal lobe helps to control your behaviour, thoughts, and reasoning.
Damage to the frontal lobe can cause Transient Ischemic Attacks, Alzheimers Disease and Dementia.
The temporal lobe helps to control memory and understanding speech from the auditory cortex.
Damage to the temporal lobe may cause Visual Agnosia.
The Occipital Lobe
That's the colour red!
The occipital lobe helps to control your vision and your ability to recognize colours.
Damage may cause difficulty recognizing objects and Occipital Lobe Epilepsy.
The Parietal Lobe
The parietal lobe controls your senses and your ability to draw, read, and write.
If the parietal lobe is damaged, you may be diagnosed with Apraxia.
There are 7 different types of Apraxia.
The Brain Stem
The brain stem controls vital autonomic functions and motor movements.
Damage to the brain stem can range from a mild to a serious coma.
The thalamus transmits sensory information (except for smell) and then sends it to other parts of the brain to be processed further.
Damage to the thalamus may cause sensory confusion and inability to even process the sensory information received.
The Limbic System
The limbic system has 4 very important structures which are:
1. the thalamus
2. the hypothalamus
3. the hippocampus
4. the amygdala.
The hypothalamus manages your temperature, thirst, mood, and hunger.
Damage to the hypothalamus may cause inability to control your body temperature.
The hippocampus manages your emotional and long-term memory.
If your hippocampus is damaged, you would not be able to remember events, places, and people.
The amygdala manages your fears, aggression, and your fight-flight-freeze response.
If your amygdala was damaged you may have trouble regulating your fear response and recognizing facial expressions related to emotions.
The cerebellum controls your coordination, helps motor movements become more detailed, and controls motor actions.
Damage may cause difficulty maintaining balance and performing motor movements.
The Prenatal Period
In this stage of development within the womb, cells begin to develop in the baby's brain.
Also in this stage synapses develop in the brain.
The Newborn Stage
In this stage, the brain of an infant weighs 2/3 to 3/4 pounds.
During this stage, your brain develops through myelination and synaptogenesis.
During this stage, your brain develops through synaptogenesis.
Connections that the child's brain uses frequently become stronger and those connections that are not used regularly are pruned away.
During adolescence, your brain develops through pruning and myelination.
During this stage, your brain prunes out any unnecessary connections. This helps the brain become more efficient.
Our brains wouldn't be efficient without brain development. Throughout our lives, our brains are always developing in many ways.
Myelination is “a process of forming a coating or sheath of fatty substances known as myelin (that is why they call it myelination) on the axon of a neuron”.
Synaptogenesis is “the process of creating synapses, or connections, between neurons”.
Pruning is “the selective elimination or 'weeding out' of non-essential synapses based on a child’s experiences”.
Mindsets is an idea that was researched by a psychologist named Carol Dweck.
There are two types of mindsets: the fixed mindset and the growth mindset.
The Growth Mindset
This is the mindset where you believe that you can develop your abilities with effort and commitment.
An example of someone who Carol knows has a growth mindset is Michael Jordan.
The Fixed Mindset
This is the mindset where you believe your that talents and intelligence are fixed and permanent.
In this mindset, you believe that if you have to make a lot of effort to do something, then you are not good enough or smart enough.
This is the end of the presentation so I would like to thank you for listening.
The cerebrum is the LARGEST and upper most portion of the brain.
The cerebrum accounts for 66% of the brains total weight.
A neuron "the basic cell making up the brain and nervous system, which receives electrical impulses from other neurons and sends out those impulses through network connections.
An axon is "the neurons long fiber that carries impulses away from the cell to the other neurons".
Synapse is the process of creating synapses, or connections, between neurons".
A dendrite is " the extensions of a neuron that receive impulses from nearby neurons".
3 Main Parts of the Brain
The 3 main parts of the brain are the cerebrum, the cerebellum, and the brain stem.