A processing device is interfaced with an auditory region of the brain of a subject that is responsible for auditory perception. The processing device receives signals associated with nerve impulses that are transmitted to the auditory region of the brain of the subject in response to sound collected by an ear of the subject. The processing device processes the received signals and generates at least one audio signal that is representative of the auditory perception, by the subject, of the sound collected by the ear. In certain embodiments, the processing device processes at least one audio signal that is representative of at least one sound to convert the at least one audio signal to a sequence of nerve impulses, and selectively provides the sequence of nerve impulses to the auditory region of the brain of the subject such that the subject audially perceives the at least one sound.

One embodiment of the user authentication method using brainwave signal according to imagined speech includes extracting and storing characteristic information of a first brainwave signal generated by an imagined speech of a first user based on preset imagined speech induction information provided to the first user by the user authentication apparatus, and determining whether a second user matches the first user by extracting characteristic information of a second brainwave signal generated by an imagined speech of the second user, based on preset imagined speech induction information provided to the second user, comparing the characteristic information of the first brainwave signal with the characteristic information of the second brainwave signal stored according to the extracting and storing, and analyzing a result of the comparing by the user authentication apparatus.

One embodiment of the user authentication method using brainwave signal according to imagined speech includes extracting and storing characteristic information of a first brainwave signal generated by an imagined speech of a first user based on preset imagined speech induction information provided to the first user by the user authentication apparatus, and determining whether a second user matches the first user by extracting characteristic information of a second brainwave signal generated by an imagined speech of the second user, based on preset imagined speech induction information provided to the second user, comparing the characteristic information of the first brainwave signal with the characteristic information of the second brainwave signal stored according to the extracting and storing, and analyzing a result of the comparing by the user authentication apparatus.

Central nervous (“CNS”) health in subjects who have human immunodeficiency virus (“HIV”) or non-human-species analogs thereof is 102 evaluated or otherwise monitored by analyzing frequency following response (“FFR”). In general, one or more components of an FFR are analyzed, The FFR is measured in response to the administration of an acoustic stimulus to the subject. The acoustic stimulus includes a complex sound, which may include a consonant and a consonant-to-vowel transition. An indication of CNS health can be generated by measuring changes in the FFR components (e.g., over time or relative to normative data).

Central nervous (“CNS”) health in subjects who have human immunodeficiency virus (“HIV”) or non-human-species analogs thereof is 102 evaluated or otherwise monitored by analyzing frequency following response (“FFR”). In general, one or more components of an FFR are analyzed, The FFR is measured in response to the administration of an acoustic stimulus to the subject. The acoustic stimulus includes a complex sound, which may include a consonant and a consonant-to-vowel transition. An indication of CNS health can be generated by measuring changes in the FFR components (e.g., over time or relative to normative data).

Apparatus, systems, and methods are provided for generating a quantified indicator of cognitive skills in an individual. In certain configurations, the apparatus, systems, and methods can be implemented for enhancing cognitive skills in an individual.

A mobile device has at least one media output device for presenting first media content, at least one communication interface that receives signals/data indicative of whether a consumer of the first media content is actively consuming the first media content; and at least one processor executing program code, which enables the mobile device to: during playing of a first media content, receive, via the communication interface, the first data; evaluate, based on a comparison of the first data with comparative data, whether the first data indicates that the consumer is not paying attention to the first media content; and in response to the consumer not paying attention, identify, by the processor, based on a time of receipt of the first data, a first time corresponding to a location within the first media content at which the consumer stopped paying attention during the playback of the first media content.

A mobile device has at least one media output device for presenting first media content, at least one communication interface that receives signals/data indicative of whether a consumer of the first media content is actively consuming the first media content; and at least one processor executing program code, which enables the mobile device to: during playing of a first media content, receive, via the communication interface, the first data; evaluate, based on a comparison of the first data with comparative data, whether the first data indicates that the consumer is not paying attention to the first media content; and in response to the consumer not paying attention, identify, by the processor, based on a time of receipt of the first data, a first time corresponding to a location within the first media content at which the consumer stopped paying attention during the playback of the first media content.

The present invention relates to a system and method for assessing and training the quality of attentional awareness and control of an individual. The individual's attention is monitored using a neurophysiological system such as EEG while using a computer system and display that provides signals that allow the correlation of behavioral measures of attention with neurophysiological measures. The combination of those signals is a novel, accurate and reliable system for assessing any individual's true attention capabilities.

The present invention relates to a system and method for assessing and training the quality of attentional awareness and control of an individual. The individual's attention is monitored using a neurophysiological system such as EEG while using a computer system and display that provides signals that allow the correlation of behavioral measures of attention with neurophysiological measures. The combination of those signals is a novel, accurate and reliable system for assessing any individual's true attention capabilities.