Philosophers use zombies as a thought exercise to investigate issues in the science of the psyche. They respond almost identically to humans, with one important exception: they are unaware.
Physicalists contend that physics can explain a zombie's behaviour extremely well. However, zombie theory proponents argue that science cannot understand minds. The notion that people can be brought back from the dead is terrifying, whether it's George Romero's famous Night of the Living Dead or contemporary zombie fiction. It also highlights some serious concerns about how our brain functions and how we think. Zombies are usually reanimated by viruses, bacteria, parasites, or fungi, which can affect our minds and cause various symptoms ranging from slurred speech to ravenous hunger. It is critical to recall that these infections are not always deadly and can be avoided or treated if detected early. This sudden gain of qualia' (Chalmers 1996) is an issue for both functionalism and bare physicalism. According to the theory, the zombie gains qualitative awareness characteristics that are fundamentally non-physical. The concept of the undead has long been used to demonstrate how the psyche differs from the brain, but why is this so? The response relies on how you frame the connection between minds, brains, and bodies. If the brain is the only thing that makes us aware, we could argue that zombies lack consciousness because they lack mental processes. A zombie's brain has been injured, causing them to be excessively aggressive and have poor impulse control. In addition, they have global aphasia, diminished pain awareness, and long-term memory loss. However, there are other approaches to determining whether or not a corpse is aware. Scientists frequently use perceptual activities to evaluate animals for awareness. Zombies struggle with such activities because their minds don't work properly, according to Dr Schlozman. For example, they may have a malfunctioning frontal lobe, which stops them from reasoning about their actions and leads them to act on instinct. They may also have an overactive amygdala, which causes intense emotions of rage and lust. The anterior cingulate cortex, which regulates amygdala reaction, could also be affected. Zombies are a common theme in horror films. They are the living dead, hungry for flesh and willing to murder or be slain to get it. The University of Illinois discovered that the undead has glial cells in their minds that multiply after death. These glial cells are immune cells that play an essential role in cleaning up harm to the brain caused by oxygen deprivation or stroke. According to this research, physicalists have a significant issue describing how brain activity leads to consciousness. The zombie concept challenges physicalism because it suggests that awareness is more than just bits of matter moving around following physics. But there's a catch. Philosophical ghosts, like flying pigs, do not appear compatible with how things have worked out. The main issue is that, if true, they have the impact of reactivating several commonly held beliefs. Zombies are an intriguing thought exercise that has become a popular topic of philosophical debate, although few people think they exist. They are an identical physical replica of human being who is aware but still moves and speaks. They are examples of what Daniel Dennett refers to as 'intuition pumps,' or arguments that appeal to the reader's gut emotions or inclinations and bring them to a specific 'appealing but not necessarily justified' conclusion—many of the issues posed by undead concern the interplay of imaginability, conceivability, and possibility.
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