1. Existence of Internal Senses: Yes, it is plausible that there are senses that go beyond receiving information solely from the external environment. Our internal experiences and bodily sensations provide us with valuable information about our physiological and psychological states. For instance, the sensation of hunger is an internal sense that arises from signals generated within our bodies, indicating the need for nourishment. Similarly, the sensation of needing air when holding our breath is an internal sense that alerts us to the physiological requirement for oxygen. The sense of belonging or social connectedness could be attributed to our perception of social cues, emotions, and the need for social interaction. 2. Expanding the Understanding of Senses: The dominant scientific community has traditionally focused on the five classical senses due to their direct interaction with the external environment and their well-established neural pathways. However, there is growing recognition that human experiences and perceptions extend beyond these senses. Research in fields such as neuroscience, psychology, and cognitive science explores phenomena like interoception (awareness of internal bodily states), proprioception (awareness of body position and movement), and even senses like time perception and balance. The limitation in considering additional senses may be attributed to historical emphasis, research traditions, and the challenge of defining and studying these subjective experiences objectively. As scientific exploration progresses, there is increasing interest in broadening the understanding of human senses. 3. Role of Definitions in Conceptual Boundaries: Definitions play a crucial role in shaping our understanding of concepts and establishing their boundaries. They provide a framework for common understanding and communication within a given domain. However, definitions can also limit our perception and exploration of a concept. They create boundaries that may hinder the recognition and exploration of novel aspects or dimensions of the concept. In the case of sensation, expanding the definition to encompass both external and internal senses would allow for a more comprehensive understanding of human perception and experience. It would acknowledge the complex interplay between environmental stimuli and internal states, leading to a broader perspective on how we interact with the world. Part II - Role of Operant Conditioning in Reading Skills: Operant conditioning plays a significant role in the development of reading skills. Through operant conditioning, reading skills become stronger and more automatic. Initially, when learning to read, individuals are reinforced through positive feedback, such as praise or rewards, when they successfully recognize and decode words or comprehend text. This positive reinforcement strengthens the association between the visual input (letters and words) and the desired response (correct pronunciation or comprehension). Over time, through repeated exposure and reinforcement, the reading skills become more automatic. With practice, reading becomes a fluent and effortless process, where decoding and comprehension occur almost unconsciously. This automaticity is achieved through the reinforcement of correct reading behaviors, which gradually shapes the reading skills and reduces the need for conscious effort. Many skills follow a similar developmental path as reading. Through repeated practice and reinforcement, skills become more proficient and automatic. This can be observed in various domains, including language acquisition, motor skills, and cognitive abilities. The repetitive nature of practice and reinforcement helps in strengthening the neural pathways associated with the specific skill, leading to improved performance and automaticity. In conclusion, operant conditioning plays a vital role in the development of reading skills by reinforcing correct reading behaviors and gradually increasing automaticity. This process of skill development and automaticity is not limited to reading but can be observed in various other skills as well.