PSYCH 1XX3 Neuroscience Live Lecture
• The brain in a jar problem: There is no way whether to know if what we are
experiencing genuine or it is all false reality. Philosophers question whether we
are a computer simulation.
1. The brain constructs your world: The brain is what allows you to shape
2. Hebbian learning provides a mechanism, for neural coding.
3. Prior learning interacts with a collaborative functional process.
• A metabolically expensive organ. the neuron is related to transmission and
Classes of Neurons: form how we experience things.
1. Sensory neurons (efferent). Information that goes to the spine then the brain.
2. Motor neuron (afferent)
3. Interneuron: 90% of connections between neuron only found in the CNS.
• There is no conscious control for reflexes. You do not have to consciously think
about when to breathe, take steps.
• We don’t have to occupy brain resources on menial reflexes and simple sensory
• Heuristics allow our brain to do other things.
• The brain constructs your world.
• Visual Top down: you get some sensory info in to compare it to your experience.
Audio top down processing language can be a segmentation problem and over
time we become to recognize speech. Your brain takes the se