Some Numbers to learn by heart:
Disclaimer: This list is not complete, these are not all the numbers you need to know.
Number of neurons in an fMRI voxel: 100.000
Size of a voxel: 1 mm3
Age at which most children pass Sally Anne Test: 4
Number of nerves in cervical - thoracic - lumbar - sacral region: 8 - 12 - 5 - 5
relation brain mass and number of neurons cerebellum - whole brain: 10% mass, 50% neurons
amount of cerebral neurons with inhibitory output: 20% V1: BA17
M1: BA4
Broca’s area: BA44/45
Output layer: 5(&3)
Input layer: 4(&2)
duration London taxi driver training: 3-4 years
amount of streets they should remember: 25000 streets (6-mile radius from
Charing Cross)
Probability of experiencing a phantom limb when limb is lost at the age of 6: 10%
Probability of experiencing a phantom limb when limb is lost at the age of 6-10: 50% Probability of experiencing a phantom limb when limb is lost when older than 1 0: 90% firing threshold for eliciting decision: 68 Hz (not an established natural constant, just finding of the presented experiment)
see also
Tags: neuroscience science
Superlink: 050 🧠Neuroscience
Source
Created: 15-06-24 18:57