Is AI bad for brains?

What is AI?

Artificial intelligence (AI) is the use of computer technology to accomplish tasks that are typically performed by people. AI can be defined and divided up in many ways, but two types that often impact classrooms (and the culture at large) are Artificial Narrow Intelligence (ANI) and Artificial General Intelligence (AGI). Artificial Super Intelligence (ASI) systems are defined as those transcending human intelligence.

“Within a few decades, machine intelligence will surpass human intelligence, leading to The Singularity — technological change so rapid and profound it represents a rupture in the fabric of human history. The implications include the merger of biological and nonbiological intelligence, immortal software-based humans, and ultra-high levels of intelligence that expand outward in the universe at the speed of light.”
Ray Kurzweil

Artificial Narrow Intelligence (ANI)

ANI is everywhere in our day-to-day lives and has been around for a while. It specializes in one thing, like Global Positioning Systems (or GPS) for navigation, and is not the primary focus of this post. However, LLMs including Chat GPT and other generative AI platforms, are considered by some as ANI as they also serve a single purpose, like generating text.

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Artificial General Intelligence (AGI)

Gen AI is “a set of models designed to learn the hidden underlying structure of a dataset and to generate new data points that plausibly could be part of the original dataset” (Bordas et al, 2024). In other words, it uses these datasets to make predictions, much like our brains anticipate outcomes based on past experience. There are many forms of GenAI, but for this post I’m focusing on those intended for public use that are becoming more and more ingrained in daily life.

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AI is (currently) a hallucinating suck up

Leading Generative AI companies like Microsoft have admitted that “these (Gen AI) systems are built to be persuasive, not truthful (…) This means that outputs can look very realistic but include statements that aren’t true” (Weise & Metz, 2023, cited in Barassi, 2025). This phenomenon is known as AI hallucination. In addition, Gen AI is prone to confirm existing biases, engaging in what researchers call algorithmic sycophancy.

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What is Learning?

Learning is a very broad concept, but in short, it is the process by which we acquire and store new information.

Even if you’re now out of school settings, you are still busy learning. Learning in adulthood takes many forms. Reading about new topics and developing new hobbies all involve learning. Just because it doesn’t take place in a classroom, learning is still a key component of life, and keeps your brain sharp as you age.

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Brain areas involved in learning

Here are a few of the important processes and structures.

Perception and Attention

We all have specialized sensory receptors in our eyes, ears and body, which selectively capture energy in our environment, converting (transducing) it into neural activity. Many of these informative electrochemical signals travel to a structure in the center of our brain called the thalamus. The thalamus then links bidirectionally with higher-level cognitive areas like the prefrontal cortex. These brain areas and sensory networks allow us to perceive and attend to incoming information.

Attention requires conscious efforts to block out distracting stimuli and focus on something specific. Achieving this requires coordination of what are called “task-positive” networks of connected areas of the brain. You build these attention networks by attending, and being present, and they are ultimately able to direct what you attend to and perceive. Decreased effort in training these networks can lead to distractibility and memory deficits. Additionally, they can be undermined by short-form video consumption and generative AI use, reducing your ability to attend to important aspects of your environment.

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Integration

We integrate new knowledge in many different ways. We use cognitive processes like schemas, organized frames of reference or expectations, to interpret new information, and we apply heuristics to make conclusions about what new information is important, and what it likely means. Schemas help us consolidate and integrate what we’re learning into frameworks we already understand (how does this new learning fit in?). Heuristics are shortcuts that allow us to make decisions based on past experience.

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Memory

It’s no use taking a survival course – and then go camping, encounter an emergency, and not be able to remember what you learned. Memory is an equally complex and important step in the learning process. We have many different forms of memory, each dependent on different networked areas of the brain. We can divide memory up by how long you retain it (short term or working memory versus long term memory), and we can also divide it up by type (explicit/episodic, semantic, implicit, emotional).

Memory is a key part of our knowledge integration process. It’s what allows us to recall past experiences and thus connect it to new information. Memory is built on what we experience, developmental factors, and the environment around us. Getting out into that environment, being present and attentive and engaged and challenged, is critical for learning and memory.

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A Hippo on Campus?!?!

Each of these different types of memory involves a different cognitive network, but one star player in explicit, episodic memory is a structure called the hippocampus. The hippocampus is part of your limbic system and is a key component in transferring short term or working memory into long term memory. It plays a huge role in our ability to recall information, facts, and events.

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Your brain selectively processes information from your senses, it perceives and responds and attends to new information, and then integrates that information into what you know and recall. This active integration allows you to store and retrieve information, thus completing the learning process. With this in mind, it’s important to know how we can aid, or in some cases hinder learning.

Learning Tools

These learning tools can range from mnemonic naming devices (ex: ROY G BIV = Red, Orange, Yellow,…) to large language models (LLMs) like ChatGPT or Claude. There is a lot of research surrounding the impacts that learning tools like mnemonic devices have on the learning process. This however is not true for LLMs. Because artificial intelligence is so new to the scene, there is still limited research on how interacting with an LLM during the learning process can affect the brain.

IMAGE SOURCE: Oh Oh Oh To Touch And Feel Very Good Velvet AH

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If you have ever gone through the onboarding process for a new job, and were given a manual to read followed by a retention quiz, that was a form of learning technology. Simulations can also be used to teach skills, and there are various other tools that combine technology and learning.

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AI versus Brain

Unlike a lot of learning tools, AI can generate “answers.” Yes, some of these AI responses are hallucinatory and sycophantic, but by using AI, we’re able to offload a lot of our cognitive effort to an LLM. You don’t really need to perceive, attend, integrate or remember much – you just need to formulate a “prompt.”

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Use It or Lose It

“Spoon feeding in the long run teaches us nothing but the shape of the spoon.”
E.M. Forster

When it comes to AI, this presents a pressing issue. Offloading cognition to AI becomes less a case of short-term learning losses, and shifts more towards potential long-term effects. If we don’t engage our brains in the learning process, we run the risk of losing them altogether. What is scarier is that this is not just a question of “if,” as research suggests it is already happening.

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A well-known study examining the brains of London cab drivers found increased grey matter volumes in parts of their hippocampi, that memory area crucial to remembering spatial landmarks and navigation. In order to be a cabbie, they are required to learn the streets and navigate without a map. Years of driving and exploring the streets of London using only their brains helped to build these essential neural networks and update this critical memory structure.

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What Did We Learn?

Using LLMs as a learning tool has a few research-backed positives, but it is important to understand what happens if you get lazy. Technology like GPS is crucially useful (and I definitely don’t expect everyone to return to navigating via paper maps), but it is important to be informed about how these technologies might affect your brain. 

If you offload cognitive tasks to write essays, complete assignments, write emails, or create and understand new things, you are neglecting the pathways that let you perceive, attend, integrate and remember. Your brain is like a muscle, and it needs to be used in order to stay sharp. It may seem easier to just ask AI to generate answers to all your problems – but it’s dangerous long term.

“Self-education is, I firmly believe, the only kind of education there is.”
Isaac Asimov

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