Principles of Neuroscience Lecture 1, History Flashcards Preview

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Flashcards in Principles of Neuroscience Lecture 1, History Deck (11)

What is the scientific name for mustard weed, and why is it significant?

Arabidopsis thaliana

It was the first plant to have its genome sequence

It is a complex organism, however, it lacks a nervous system


What are three reasons to have a nervous system?

1. Regulation and Coordination of the internal environment - Homeostasis
2. Control of movement
3. Revelation of the universe


Describe Egyptian thought about consciousness

Flow of fluids was believed to be important for health
The Nile River


Describe Hippocrates' contribution to thought on the brain

Hippocrates proposed that the brain was the centre of consciousness, not the heart


Describe Aristotles' thought of the mind

Aristotle thought that the heart was the centre of emotion and consciousness


Describe Galen's contributions to neuroscience

He was a surgeon in Roman times.
He followed Hippocrates' line of thought that the brain was the centre of consciousness, however he also followed the Egyptians' line of thought that fluids were vitally important (ventricles in the brain)


What were Descartes' views on sensory perception?

Light leaves an imprint on the fluid in the eye

Muscles filled with fluid


What important things did Broca discover?

He was associated with the person Tan.
Tan could not articulate language, but showed evidence of understanding and normal intelligence.

After Tan's death, a post-mortem revealed damaged area in the brain.
This area is now called Broca's area and is associated with language production


What are two types of brain scanning, and why are they so useful?

CAT, and MRI (fMRI)

These allow health professionals to look at the brain without having to wait for the patient's death


How are nervous systems between different species similar?

The function of neurons is the same

The structures in neurons are homologous


Which organisms have had their complete genome sequenced?

Drosophila melanogaster
C. Elegans

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