What can we learn about emotions, the brain and behavior from a wristband? Plenty, according to a prominent MIT engineer and researcher in her plenary session address at the American Pain Society Annual Scientific Meeting, www.americanpainsociety.org.
Rosalind Picard, ScD, FIEEE and her team at MIT pioneered the use of wearable technology to recognize changes in human emotion. They have made several new discoveries, including that autonomic activity measured through a sweat response is not as general as previously thought, and carries more specific information related to different kinds of brain activity.
“The skin is purely innervated by the sympathetic branch of the autonomic nervous system,” said Picard. “We can observe increases in sympathetic brain activation by monitoring subtle electrical changes across the surface of the skin.”
Sympathetic activation occurs when experiencing excitement or stress, whether physical, emotional or cognitive. In some medical conditions, such as epilepsy, it shows significant increases related to certain areas of the brain being activated.
Wristwatch-like devices can employ sensors for continuous, real-time data gathering. Picard explained that changes in electrodermal activity occur as the result of atypical activation in deep regions of the brain. This discovery already has been commercialized for use in seizure monitoring.
Seizures occur when there are abnormal, excessive or synchronous neuronal activity, and can cause convulsions evidenced by violent shaking and loss of control and consciousness.
When someone has recurring seizures, the diagnosis usually is epilepsy. When some regions of the brain, such as those involved with anxiety, pain, stress and memory are activated during a seizure, they can elicit patterns of electrical changes in the skin.
Picard reported her group has built an automated machine learning method that can detect compulsive seizures by combining measures of electrodermal activity on the wrist with measures of motion. The wrist-worn detector is now more than 96 percent accurate for detecting convulsive seizures.
While they have not demonstrated detection of non-convulsive seizures, 42 percent to 86 percent of non-convulsive, complex partial seizures also have significant electrodermal responses.
Picard said other clinical applications for wristband electrodermal monitoring include anxiety, mood and stress monitoring and measuring analgesic responses. “We know that pain exacerbates anxiety and stress and we are doing more studies to determine how reductions in anxiety and stress could indicate an analgesic response activated by a pain management therapy, said Picard.
[osd_subscribe categories=’wearable-electronics’ placeholder=’Email Address’ button_text=’Subscribe Now for any new posts on the topic “WEARABLE ELECTRONICS’]
The Latest on: Wristband electrodermal monitoring
[google_news title=”” keyword=”wristband electrodermal monitoring” num_posts=”10″ blurb_length=”0″ show_thumb=”left”]
- Wearable developer Empatica aims to develop new digital biomarkers
Empatica develops devices and artificial intelligence and machine learning software to collect and use physiological data in new ways.
- Hackaday Prize Entry: Wearable Electrodermal Activity Monitor
Electrodermal activity ... For his Hackaday Prize entry, [qquuiinn] is building a wearable biofeedback wristband that measures galvanic skin response that is perfect for treating anxiety or ...
- Top 8 Best Wrist Blood Pressure Monitors in 2023
Therefore, it is crucial to choose a monitor that provides consistent and reliable readings. Another important factor to consider when choosing a wrist blood pressure monitor is its ease of use.
- Best heart rate monitors 2023: Improve your fitness and track heart health
In terms of body placement, the Whoop Strap 4.0 is by far the most versatile heart rate monitor on the market. Designed primarily to work on your wrist, accessories also allow it to work on your ...
- The 11 Best Heart Rate Monitor Watches for 2023
The accuracy of heart rate monitoring watches has improved with time, but chest straps are still considered the gold standard in research. Polar makes both a chest and a wrist strap for its core ...
via Google News and Bing News