Practice 2 Flashcards
Which type of photoreceptor is responsible for the perception of colour vision?
Cones
NOTE: photopigments are sensitive to different wavelengths of light, that is why they are red, green and blue
What is the long, myelinated structure of a neuron along which electrical impulses travel?
The axon
Which neurological disorder is characterized by abnormal electrical activity in the brain and may lead to seizures?
Epilepsy
Which group of proteins retaliates against stress in the body and includes interferons, interleukins and chemokines?
Cytokines
Which brain imaging technique involves the injection of radioactive tracers that attach to biological compounds of interest?
PET (Position Emission Tomography)
What are we most likely to experience during REM stages of sleep?
Dreaming!
Which brain uses more energy: a brain made of silicon chips or the real human brain?
Brain made of silicon chips
Which area of the brain is responsible for the INITIATION of movement?
Basal ganglia
When experiencing a headache, the source of pain and irritation is stretching of the ____________.
Meninges
Which TYPE of neurotransmitter blocks certain brain signals and decreases activity in your nervous system, having a calming effect?
inhibitory neurotransmitter
What is known as the “map” of the body surface on the cortex?
Homonculus
Which brain structure controls the release hormones from the pituitary gland?
Hypothalamus
In large amounts, which hormone is associated with unsuccessful aging and cognitive decline?
Cortisol
What is the red lobe called? Name one of its functions.
Occipital lobe, processes visual information
What is the black and white structure? What does it control?
Cerebellum, timing and precision of movement
