Predicting the imagined contents using brain activation

06/14/2021
by   Krishna Prasad Miyapuram, et al.
0

Mental imagery refers to percept-like experiences in the absence of sensory input. Brain imaging studies suggest common, modality-specific, neural correlates imagery and perception. We associated abstract visual stimuli with either visually presented or imagined monetary rewards and scrambled pictures. Brain images for a group of 12 participants were collected using functional magnetic resonance imaging. Statistical analysis showed that human midbrain regions were activated irrespective of the monetary rewards being imagined or visually present. A support vector machine trained on the midbrain activation patterns to the visually presented rewards predicted with 75 the participants imagined the monetary reward or the scrambled picture during imagination trials. Training samples were drawn from visually presented trials and classification accuracy was assessed for imagination trials. These results suggest the use of machine learning technique for classification of underlying cognitive states from brain imaging data.

READ FULL TEXT
POST COMMENT

Comments

There are no comments yet.

Authors

page 2

01/24/2021

Computational Intelligence Approach to Improve the Classification Accuracy of Brain Neoplasm in MRI Data

Automatic detection of brain neoplasm in Magnetic Resonance Imaging (MRI...
02/04/2020

A Novel Framework for Visual Motion Imagery Classification Using 3D Virtual BCI Platform

In this study, 3D brain-computer interface (BCI) training platforms were...
02/23/2014

Discriminative Functional Connectivity Measures for Brain Decoding

We propose a statistical learning model for classifying cognitive proces...
02/04/2020

Spatio-Temporal Dynamics of Visual Imagery for Intuitive Brain-Computer Interface

Visual imagery is an intuitive brain-computer interface paradigm, referr...
07/17/2020

Visual Explanation for Identification of the Brain Bases for Dyslexia on fMRI Data

Brain imaging of mental health, neurodevelopmental and learning disorder...
07/29/2019

CerebroVis: Designing an Abstract yet Spatially Contextualized Cerebral Arteries Network Visualization

Blood circulation in the human brain is supplied through a network of ce...
This week in AI

Get the week's most popular data science and artificial intelligence research sent straight to your inbox every Saturday.