Perception and Sensation in Psychology

Short Question

Here are some short questions with answers based on the topic of sensation and perception in psychology:

1. Question: Who proposed the “Doctrine of Specific Nerve Energies” in relation to sensation?

   • Answer: Johannes Müller.

2. Question: What is the term for the minimum amount of stimulus energy needed for detection?

   • Answer: Absolute threshold.

3. Question: Which psychological perspective, dominant in the early 20th century, emphasized observable behaviors and ignored internal mental processes?

   • Answer: Behaviorism.

4. Question: Who is often referred to as the father of psychophysics for his work in quantifying the relationship between the physical world and psychological experiences?

   • Answer: Gustav Fechner.

5. Question: What is the process by which the brain organizes and interprets sensory information, transforming it into meaningful experiences?

   • Answer: Perception.

6. Question: During which era did early experimental methods begin to be used to study sensation and perception more systematically?

   • Answer: Renaissance.

7. Question: Which imaging technique allows researchers to observe brain activity associated with different sensory experiences?

   • Answer: fMRI (Functional Magnetic Resonance Imaging).

8. Question: What concept refers to the minimum difference between two stimuli that can be detected?

   • Answer: Difference threshold.

9. Question: Which sensory system is primarily responsible for detecting chemical stimuli in the environment?

   • Answer: Olfactory system.

10. Question: What shift in psychology, occurring in the mid-20th century, focused on studying mental processes, including sensation and perception?

    • Answer: Cognitive revolution.

These questions and answers cover key aspects of the historical development and concepts related to sensation and perception in psychology.