Exploring The Relationship Between Artificial Intelligence and Brain Health

July 27, 2021Henry Peck

Artificial intelligence (AI) is the science and engineering of creating intelligent machines. Weak Artificial Intelligence, or Narrow Artificial Intelligence, refers to a machine trained to perform specific tasks and drives much of the artificial intelligence we see today. Strong Artificial Intelligence and Artificial Super Intelligence go beyond Weak Artificial Intelligence to match or surpass the equivalent of human intelligence, respectively.

AI has the potential to change healthcare as we know it, and there are a few medical specialties where it is already making an impact. For example, deep-learning-based algorithms have been developed that aim to diagnose tuberculosis after receiving training using thousands of chest images, and deep-learning neural networks have been used to identify skin cancer after being fed images of malignant and benign melanomas.

The artificial intelligence of today can help as an additional screening tool for physicians, while the artificial intelligence of tomorrow may enable precise diagnostics through training on and analysis of large data sets. With that, let’s explore the relationship between artificial intelligence and brain health as well as how AI is used to assess cognitive function.

The Relationship Between Artificial Intelligence and Brain Health

Healthcare, as it relates to assessing brain health and diagnosing cognitive diseases, is well-positioned to be transformed by artificial intelligence. The potential capacity regarding the relationship between artificial intelligence and brain health is immense. 

Below, we discuss a few applications of AI and how it’s used to understand brain health and function.

Brain-Computer Interfaces

Brain-computer interfaces (BCIs) acquire and analyze brain signals and activity, then extract data features from those signals. This information is translated into commands which are relayed to output devices to carry out specific actions. Various techniques are used to measure brain activity for use with BCIs. Often, BCIs will utilize electrical signals which are measured through electrodes placed on the surface of the cortex or noninvasively on the scalp. 

BCIs may have the ability to potentially replace, restore, or enhance functions in individuals with neuromuscular disorders, such as cerebral palsy, spinal cord injuries, and amyotrophic lateral sclerosis. BCI producer Neuralink is in the process of designing the first neural implant known as The Link that will let you control a computer or mobile device anywhere you go. This implant uses micron-scale threads that are inserted into the parts of the brain that control movement. Each of these threads contains electrodes, and the threads connect the electrodes to the implant.

Artificial Intelligence and Mental Health

Artificial intelligence shows great promise in the field of mental healthcare. It is being researched as a means to predict, classify, or subgroup mental health illnesses through the training of machine learning algorithms on sets of electronic health records, brain imaging data, digital monitoring systems, and mood rating scales. Artificial intelligence-powered chatbots are being developed to interact with patients based on cognitive behavioral therapy principles. This tool may be used as an adjunct tool to traditional counseling or even stand-alone.

Artificial Intelligence and Cognitive Brain Health

Artificial intelligence is likely to radically change the way brain health is assessed and in the future how cognitive disease is diagnosed. Because artificial intelligence can enable us to obtain insights from massive amounts of patient data, the possibilities for its application in cognitive disease diagnosis are enormous. 

One application of artificial intelligence to assess brain health is utilizing machine learning techniques to diagnose neurological diseases, such as Alzheimer’s, Parkinson’s, mild traumatic brain injury, multiple sclerosis, and stroke. Several paths can be taken to leverage artificial intelligence as a diagnostic tool, including:

  1. Feeding large amounts of neuroimaging data to artificial intelligence algorithms, including scans of healthy brains and those impacted by specific cognitive diseases, such as Alzheimer’s or other forms of dementia, to train the algorithm to detect patterns indicative of the particular disease. 
  2. Feeding large data sets from digital brain tests from healthy individuals and those impacted by specific cognitive diseases to artificial intelligence algorithms to determine patterns associated with a particular disease.

While the first method can certainly aid in diagnosing cognitive disease, it requires expensive and time-consuming brain scans that can be challenging to implement on a large scale. The second method offers a highly scalable, inexpensive, and non-invasive method for assessing cognitive function. However, traditional pencil and paper cognitive tests, as well as digitized versions of these simple test activities, cannot provide the high quality and high quantity of data required to provide scalable predictive diagnostic support. Additionally, they do not have the infrastructure for longitudinal data analysis. In other words, such tests lack the data granularity and specificity required for meaningful monitoring and prediction. 

The Future of Cognitive Testing and Diagnostics

The relationship between artificial intelligence and brain health has great potential but requires high-quantity and high-quality data to make a meaningful impact. If high-quality brain health data can be collected on a large scale over time, this can lead to the training of artificial intelligence on bigger data sets, allowing for patterns to be recognized across the data and enabling brain health interventions, therapies, or drugs to be utilized much earlier in the clinical pathway via early diagnosis. 

Digital assessments of brain health based on analyzing a wider range of cognitive functions, such as digital biomarker-based tests, may provide the quality of comprehensive brain health data to enable predictive diagnostics in the future. 

Altoida is developing a digital platform that will measure and analyze a wide range of digital biomarkers associated with cognitive impairment. Users will complete a 10-minute series of hyper-realistic augmented reality activities on their smart device. With innovative artificial intelligence and data from nearly 800 unique digital biomarkers, we will provide comprehensive measurements of brain health across 11 unique neurocognitive domains and pioneer predictive diagnosis of Alzheimer's disease and other neurocognitive disorders.

To learn more about how Altoida is exploring the relationship between artificial intelligence and brain health, contact us today.

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At Altoida, we use digital biomarkers to radically change the method of assessing brain health and cognitive diseases. After nearly two decades of research, we are developing a platform and device to measure and analyze cognitive biomarkers associated with cognitive impairment to evaluate perceptual and memory function.
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