The experience of thinking is often accompanied by an internal monologue or voice, which many people assume is heard through their ears or as an auditory experience. However, for people who are deaf, the experience of thinking is not necessarily linked to auditory experiences in the same way as it is for those who are hearing. So, the question arises: can deaf people hear their thoughts?

The answer to this question is complex and nuanced, as the experience of thinking varies from person to person, and there are different types and degrees of hearing loss. It is important to note that deafness is not a monolithic condition, and it can affect people differently depending on factors such as the cause of their hearing loss, the age at which it occurred, and the level of residual hearing they may have.
For people who are born deaf or who lose their hearing at a young age, the experience of thinking may not involve auditory components, as they may not have a reference point for what sound is like. Instead, they may rely on visual, tactile, or kinesthetic cues to process information and form thoughts. For example, a person who is deaf may use sign language to think or visualize images or symbols to represent concepts or ideas.
However, for those who have acquired hearing loss later in life, the experience of thinking may be more closely linked to their previous experiences of hearing. Some people with hearing loss may experience auditory hallucinations or tinnitus, which can be perceived as internal sounds or voices. In these cases, the internal monologue or voice may be perceived as auditory in nature, even if the person is no longer able to hear external sounds.
It is also worth noting that the experience of thinking is not limited to language-based thoughts or internal monologues. Many people think in images, sensations, or emotions, and these experiences are not necessarily linked to auditory perceptions. In fact, some research suggests that people who are deaf may be more likely to think in visual-spatial terms than in language-based terms, due to their reliance on visual cues and sign language.
In conclusion, the experience of thinking for deaf people is complex and varies depending on a number of factors, including the cause and degree of their hearing loss, their age at onset, and their previous experiences with sound. For some deaf people, the experience of thinking may not involve auditory components, and they may rely on visual or other sensory cues to process information and form thoughts. For others, the experience of thinking may be more closely linked to their previous experiences of hearing, and they may perceive their internal monologue or voice as auditory in nature. Ultimately, the experience of thinking is unique to each individual, and cannot be fully understood or generalized based on any one factor, such as deafness.