Disney California Adventure. Disney California Adventure Park, commonly referred to as Disney California Adventure, California Adventure, or DCA, is a theme park located in Anaheim, California. It is owned and operated by The Walt Disney Company through its Parks and Resorts division.
The stimulus energy must occur within the receptor's receptive field. The stimulus energy must match the specificity of the receptor. A generator potential in the associated sensory neuron must reach threshold. The stimulus energy must be converted into the energy of a graded potential. called a transduction potential.
Threshold Stimulus. The amt of stimulus needed to create an action potential. NA+ rushes into the cell increasing the number of positive ions inside the cell and changing the membrane polarity.