Propagation of neural signals down an axon is termed a(n):
Show answer Hide answer
Answer: A. ion potential
Explanation
The propagation of electrical signals down an axon is correctly referred to as an action potential rather than an ion potential.
- Subject
- Psychology
- Category
- Psychology
- Topic
- —
- Difficulty
- medium
Related questions
Q1. Control and experimental cohorts in an experiment receive identical treatment except regarding the:
Show answer Hide answer
Answer: B. independent variable
Experimental and control groups must receive identical treatment except for the manipulated independent variable. This experimental control ensures that any observed effects on the dependent variable stem from the interv...
Q2. Strict management of conditions is foundational to the _______ methodology:
Show answer Hide answer
Answer: B. Experimental
The experimental methodology relies on strict control of study conditions. Isolating variables allows researchers to establish valid cause-and-effect relationships. Rigorous control eliminates confounding factors that co...
Q3. Aggregations of neuronal cell bodies form:
Show answer Hide answer
Answer: A. Ganglia
Ganglia are clusters of neuronal cell bodies located outside the central nervous system. These structures act as relay stations for nerve signals traveling through the peripheral nervous system. Aggregations of cell bodi...
Q4. The degree of concentration or dilution of color is known as its ___________?
Show answer Hide answer
Answer: C. Saturation
Saturation describes the purity, intensity, or degree of concentration of a color. Highly saturated colors appear vivid and intense, whereas unsaturated colors look washed out. Color perception relies on wavelength, brig...
Q5. Cellular extensions carrying nerve impulses toward the neuronal soma are called:
Show answer Hide answer
Answer: B. Dendrite
Dendrites are branching cellular extensions that carry nerve impulses toward the neuronal soma. They provide a massive surface area adorned with receptors for incoming chemical signals. Graded potentials generated in den...
Q6. The phenomenon observed during social gatherings known as the cocktail party effect illustrates:
Show answer Hide answer
Answer: A. selective attention
The cocktail party effect exemplifies selective attention, allowing individuals to isolate one audio stream. Listeners can tune out background noise until their name is spoken, capturing auditory attention instantly. Thi...