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Cajal -1-
Cajal Golgi
Cajal + Golgi indentification of independent neurons by staining, microscopy and looking. (Nobel Prize 1906)
6
Investigation of Single Neurons
Microelectrode recording of Biological Neuron activation using tungsten electrode
Hubel and Weisel. Nobel Prize 1958
Photomicrograph: Height = 1mm.
Medical Diagnosis
Symptoms Diagnosis
Cough Headache No Illness Pneumonia Flu Meningitis
0 0 1
0 1 1
1 0 1
1 1 1
Concepts and Philosophy 10CBP 2006-7
ANN Medical Diagnosis
Cough
Headache
No Illness
Pneumonia
Flu
Meningitis
1Cough
Headache 1 Flu
1
“Classical” Medical Diagnosis
If ( (symptom ! = cough) && (symptom != headache) )
illness = no illness;
else if ( (symptom ! = cough) && (symptom == headache) )
illness = meningitis;
else if ( (symptom == cough) && (symptom != headache) )
illness = pneumonia;
else if ( (symptom == cough) && (symptom == headache) )
illness = flu;
Rule-based Learning “ if … then …. else … “