Intelligence vs Consciousness


My working theory on consciousness is fairly simple considering how complex the central nervous system is.

Let me set the table on how I see the brain working:

Focusing on the H of HTM.

Consider this in a sensory stream general framework of (raw sense) to (collected sense/association) to (name/symbol) to (collected symbols/grammar) to (working memory) to (the emotionally colored here and now) in the tip of the temporal lobe.

Geographically this same path is V1, various other Vx areas, angular gyrus, Wernicke’s area (and a bidirectional connection to Broca’s area to aid in parsing), Inferior temporal gyrus, middle temporal gyrus to the temporal pole. For the purposes of this exposition, I will ignore the sound, touch proprioception, and the vestibular systems but they do fit well into this general scheme.

A side note: The Retina model of the cortical IO company corresponds very closely to Broca’s area and Wernicke’s area. Each of the areas mentioned in my exposition could be at about the level of processing complexity described in the Retina model.

The forebrain is simultaneously driven from the body need sensors in the limbic system with various projections around the bottom and sides. Yes, there is a similar general hierarchy in the forebrain, from the frontal pole with the terminus being the motor drivers along the central sulcus.

The temporal pole and forebrain are bi-directionally connected, (need state) in the forebrain to current sensed state in the temporal lobe.

As the forebrain is bouncing through the interaction between solution space and sense space (see below) this is unwrapped in the planning parts and after one or two stages arrives at the area symbolically superior to Broca’s area.

Let me expand on this as it is a key concept: At several points, there are connecting loops from the forebrain to points in the sensory stream.

One of these is all-important to the concept of self-awareness: the nerve bundle connecting words to grammar (arcuate fasciculus) is about in the right place to inject forebrain planning as a sensation.

As you form and process plans these are unwrapped and projected at the appropriate point in the sensory stream so that you are aware of your own plans as if they were some of your sensed environment; these are injected into the sensory stream and processed as if it were external stimuli.

Think of the implication of this – this sensed dialog is then processed through the same temporal lobe evaluation and presented back to the temporal pole to influence the connection between the temporal lobe and the forebrain, forming a continuous stream of consciousness thought. Since it is injected at about the level of speech you can talk to yourself and then evaluate what you said as if it were someone else talking.

This self-awareness loop, from the forebrain high-level planning back to the sensory stream and then back through the evaluation/declarative memory area in the temporal lobe, is what I see at the basic mechanism of consciousness.

Your thoughts?

Universal Encoder
Grids into Maps!
What motivates actions?
HTMs, Time Locking, and Neural Oscillation (Brain Waves)
What motivates actions?

Seems to me intelligence refers to potential (i.e. network), while consciousness refers to the actual, ‘simultaneous’, sustained experience of present inputs, past associations (memory), and predictive states.


This discussion is really exciting, but whatever consciousness is, I’m thinking that the relevant questions here are, first, whether consciousness adds to intelligence any critical component and then, if yes, whether it involves “non-SDR-isable” mechanisms.


Referring to my prior response - consciousness is the process of evaluation of the sensory stream and feeding back some level of planning resulting from the evaluation of the current sensory stream into part of the sensed stream, forming a loop of experience. The experience is weighted for relevance and recorded as personal biography.

Attention is an orienting mechanism, and I think it fair to say that this orientation is driven be several weighting factors. Some would be simple cues like motion and some are weighted simple evaluations based on internal need states and pre-programmed primitives at the limbic system level.

Intelligence - the quality of the processing of the sensory stream (internal and external) that ties that stream to prior learning in useful ways. Some of this quality is speed, some of it is relevance, some is the ability to search through higher level connections dimensions to select the best internal elements in mental manipulation space. I think it is fair to say that the manipulations themselves are stored sequences based on experience and genetic programming; that would be what areas are connected to what, how heavy those connections are, and how fast and broadly the local maps sync to the presented representations.

Two different people may both experience the same thing. They may both orient on the same thing. One may recall more about the thing & sus out its pertinent facts and then tie it to relevant actions faster and finally select better choices based on that perception.

It really could be genetic as it’s partially based on connections and various parameters of neural network layers, IE. how much training promoters, how dense the dendritic mats, how robust the connecting loop between two maps, … It’s a massive list of variables and it would have to affect the functioning of the finished product.

And it must be partially cultural. The type of experience offered, the rituals learned such as study and exploration. The programming of patience and self-control, the learning and honing of skills. The training in good STEM tools. The connections may be there to provide the raw substrate but it has to be filled with something useful to recall as needed.

You have to take the sum of capabilities and programming to evaluate the entire machine.

These internal actions of perception and choice of appropriate action are commonly thought of as being intelligent.


Do you have a link to the discussion of the transforms in abstract space?
I assume this happens just before the motor drivers.


There isn’t really an in-depth discussion on this, but It has been brought up several times in conversations about sensory motor integration. I don’t really have a list of links though. You can probably find them by searching the forum though. An example: Why Does the Neocortex Have Layers and Columns, A Theory of Learning the 3D Structure of the World


Another nice article:

By mistaking meta-consciousness for consciousness, we create two significant problems: First, we fail to distinguish between conscious processes that lack re-representation and truly unconscious processes. After all, both are equally unreportable to self and others.


There is evidence that a reduction of integrity in the arcuate fasciculus is related to auditory verbal hallucinations in patients with schizophrenia. This seems to be consistent with your theory because (schizophrenic) patients with an arcuate fasciculus that is not able to work at its full capacity, “hear” the voices of other people and have a hard time maintaining a stream of conscious thought.


I think that consciousness as defined here:

does add a critical component to intelligence. Specifically, I think it adds the ability to evaluate and modify one’s own thoughts and behaviors.


I have a hypothesis about consciousness. I came to these ideas while studying the Basal Ganglia (BG) and Reinforcement Learning (RL), so I will first describe how I think the BG & RL works. I’m going to assume you all know how RL works.

Basal Ganglia
The BG is thought to perform RL. The BG is composed of two primary structures: the Striatum and the Globus Pallidus (GP). Every area of the cortex sends axons to a corresponding area of the Striatum. The Striatum sends axons to the GP, which in turn sends axons to the Thalamus.

  • The purpose of the Striatum is to find valuable things.
  • The purpose of the GP is to weight the valuable things which the Striatum found and determine the net Expected Value.
  • The purpose of the Thalamus is to modulate the brain in such a way as to maximize this expected value.


  1. You see a tasty apple with a small bruise on it. The Cortex outputs an SDR representation of this visual scene.
  2. Your striatum transforms the visual SDR into an SDR which encodes just the apple and the bruise on it.
  3. Your GP has associated a (positive) weight with the apple and a (negative) weight with the bruise on it. Your GP outputs the net result.
  4. Your thalamus directs you to either eat the apple or not.

The Striatum gives feed forward input to the Pre Frontal Cortex (PFC).

Assuming this is true, then the PFC is an HTM which is analysing all of the good and bad things in your world.

While the sensory cortexes see the world as it physically exists, the PFC sees the world as it matters to the animal. The PFC uses as feed-forward input the things which RL has deemed important (this RL process happens in the Striatum).

This seems like a useful capability for any animal to have.

Continuing the Example: When you see an apple, your visual cortex sees a round red object while your PFC sees tasty food.

Other Thoughts
I’m not sure how this hypothesis leads to “consciousness” but I can see how this would allow you to be more aware of your emotions. Without this you can only see what phyically exists. With this you can see things which don’t physically exist, but which are still important. Things like abstract ideas.

I’m not aware of any single task which can’t be done without a PFC connected like this. The reason is that given enough trys RL should figure out most problems, even if the RL is using only the sensory information in the rear half of the brain.

It stands to reason that there exists an area of the PFC which receives feed forward input from the Striatum and is also valued by that same area of the Striatum. I wonder what’s happening in this area of the brain… In order for this area to reach a stead state of activations, it would need to form a stable feedback loop between the PFC’s analysis of the world and the estimated value of this analysis.



Or consciousness maybe experiencing exactly those as an illusion such that what goes on is realized just after it happens and it feels like we are doing those instead of just realizing we already did those.


Let’s see if Ms. Blackmore can rearrange some of the furniture in your mind!

See her in motion: