Quiz 6- Audition, the Body Senses, and the Chemical Senses
1. The stimulus is pressure
2. We perceive amplitude (loudness), frequency (pitch), complexity (timbre)
3. The receptors are located: in the ear cochlea buried dead in bone (hair cells are KEY rec
Sensation and Perception
Sensation is defined as the conversion of physical energy from an environmental stimulus into a neural
response. Also a functional process for adaptation.
In order to sense things we need sensory receptors.
Week 7: Sleep and Wakefulness
What is a useful operational definition of sleep?
Sleep is a component of a natural automatic two-state cycle (sleep - wakefulness)
The two-state cycle is recurring
The sleep state involves a temporary disengagement from envi
Basal Ganglia Direct Pathway to control movement.
Cortex Caudate Nucleus and Putman
Globus pallidus Brain stem and
Has a feedback loop
Cortex-Basal Ganglia Loop Direct Pathway (Basal Ganglia excites Cortex)
Quiz 3 Notes
Collections of cell bodies
in the PNS are called ganglia
in the CNS are called nuclei
Collections of axons
in the PNS are called nerves
in the CNS are called tracts.
CNS supporting cells: Astrocytes, Microglia, Oligodendrocytes
Quiz Questions to Study for Midterm
1. Briefly describe the principle of evolution by natural selection; what is it and what does it explain?
2. Identify one early contributor to the development of physiology and discuss the implications that his