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Systems and methods for monitoring behavior informatics

a behavior informatics and system technology, applied in healthcare informatics, data processing applications, instruments, etc., can solve problems such as abnormal sensory function, confound or obliterate targeted gene function, and lack of progress in understanding neuropsychiatric disorders, so as to accelerate lead selection and drug development, increase statistical power and ability, and reduce costs

Inactive Publication Date: 2003-05-01
PSYCHOGENICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0070] In certain preferred embodiments, the subject invention provides rapid-throughput, automated animal testing systems, using hardware and software that permits continuous collection of behavioral, neurological, biochemical and physiological data. In contrast to traditional preclinical behavioral, neurological, biochemical and physiological testing processes, the automated systems of the present invention can be more efficient, reproducible, cost-effective and operator-independent, as well as compatible with modern tools for drug discovery. Continuous and automated character of the data collection process, for example, can increase the statistical power and ability to find unbiased embedded correlations or "behavioral, neurological, biochemical and physiological signatures"in the data.
[0071] Another aspect of the invention provides reference data sets providing behavioral, neurological, biochemical and / or physiological responses to compounds and / or genetic manipulations of animals. In preferred embodiments, the invention provides an extensive and continuously updated reference database and relational software tools that can be used to characterize the behavioral, neurological, biochemical and / or physiological impact of compounds and genetic manipulations and enable users to perform automated and intelligent analyses of its behavioral, neurological, biochemical and / or physiological function, benchmark these against previously assembled reference database, and use these to make predictions about therapeutic efficacy and safety. Accurate prediction of therapeutic efficacy and potential side-effects accelerates lead selection and drug development and reduces costs.
[0073] Yet another aspect of the invention provides a module for collecting physical and biological data concerning a test subject. The module further communicates with a processor that interprets the data to capture and time-stamp the behavior of the test subject. In accordance with another embodiment of the invention, an apparatus and method is provided for automated recording of animal behavior and interpretation of the observations by using individual modules, multiple modules or modules with multiple channels. Another advantage of the instant invention, particularly when multiple apparatuses are used is that a large number of animals may be observed simultaneously, thereby dramatically leveraging the efficiency of laboratory personnel. Animals observed at the same time may be part of the same experiment or a variety of different experiments. The system and method also allows hypothesis and validation of test animal behavior when the test animal is exposed to manipulation and / or an experimental drug, or when genetically manipulated animals are studied.
[0074] The apparatus and method used to assess animal behavior includes a module having one or more sensors that collectively obtain a variety of behavioral, neurological, biochemical and / or physiological and physiological data from a test subject. The sensors of the apparatus also may provide for the ability to simultaneously obtaining data pertaining to different overt activities or movements and to physiological responses of the test subject. One embodiment would provide a portable module that fits into standard laboratory cages thereby permitting behavioral, neurological, biochemical and / or physiological testing in the animal's own habitat, but other designs are possible including where the module is the cage. Multiple-dimensional modeling of the test subject based on the system's interpretation of the data allows pattern recognition of the drug signature, predictive drug analysis, and interpretation of the phenotype of a genetically engineered animal.

Problems solved by technology

Although the function of many genes is being unraveled resulting in many promising therapeutic targets, progress in understanding neuropsychiatric disorders is lacking.
Although the research in academia and industry focusing on the function of genes is normally hypothesis driven, most of the time there are secondary adaptations ("side effects") that confound or obliterate the targeted gene function.
For example, a gene involved in memory may result in abnormal sensory function, and therefore many tests for the assessment of memory may have to be ruled out, if they depend on the sensory function affected.
The difficulty is that laboratories that develop these genetically manipulated animals rarely have the capacity to test for secondary adaptations and most of these may go unnoticed.
Although great progress has been made in the development of techniques that permit objective and quantitative study of behavior, these techniques involve considerable expertise and effort.
However, these behavioral techniques are time consuming, they provide a limited picture of the animal's behavior and do not allow a comprehensive assessment of the test subject.
The type of behavioral assessment currently used is limited by the choice of the end point measures or dependent variables, and by the limitation of the observation to a given period.
Behavioral data are therefore limited to and by what the scientific community considers a relevant variable, by the way this variable is measured, and by the context and time constraints of the testing.
These types of monitors have been limiting in the study of animal behavior because they only allow the dimension the animal's visually detectable gross motion activities such as, for example, locomotion and stereotyped motor behavior.
Complex behavioral assessment data is unavailable from these types of monitors.
An additional problem in the study of animal behavior using conventional methods is that the test subject is usually transported from the colony room to a test area or cage, in a different room, where the behavioral studies are conducted.
If processes related to stress, for example, are to be avoided, this movement of animals from one setting to another is clearly counterproductive.

Method used

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  • Systems and methods for monitoring behavior informatics
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Embodiment Construction

: Analysis

[0214] The output of the subject system can be visualized as a stream of numbers (also called "time series") representing the parameters that result from the computer vision algorithm, and those that arise from the other measuring devices implemented in the subject system (e.g., cages).

[0215] Figure 11A shows an exemplary combination of data streaming from an animal in an embodiment of the subject system. For each window (in this case shown to coincide with the ECG sliding window) a given set of states and parameters is obtained from each mouse. These dynamically changing "frames" of behavior present different types of complexity. First, they change over time in what is normally called the "time course" of behavior (e.g., rearing may be very frequent initially but decline significantly towards the end of the session). Second, each frame has some dependency on the previous one (e.g., an animal cannot step down if it has not stepped up first), and this is called the "tempora...

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Abstract

Abstract of Disclosure A system and method used to assess animal behavior includes a module having sensors that collects a variety of physical and biological data from a test subject. Interpretation of the data is provided to assess the test subject's behavior, neurology, biochemistry and physiology. The module is useful in observing the effects of a drug on the test animal and providing information on the drug's signature. Another advantage is module's portability that allows it to be used in standard laboratory cages. This portability allows the animal to be tested in its own habitat, that can reduce any erroneous data due to stressing the animal when removed to a test cage. Additionally, the module's design allows for parallel data collection and interpretation from several laboratory animals undergoing different experiments. Multi-dimensional modeling of the test subject based the system's interpretation of the data allows pattern recognition of the drug signature, and predictive drug analysis.

Description

Cross Reference to Related Applications[0001] This applicationfdsa claims priority to US Provisional Application 60 / 291,039 filed May 15, 2001 and to US Provisional Application 60 / 326,271 filed October 1, 2001, the specifications of which are incorporated by reference herein.Field of the Invention[0002] This invention generally relates to systems and methods that capture behavioral and physiological data into a database and to systems and methods that analyze and extract relevant and new information from the database. More particularly the invention relates to a method used to capture, summarize and register animal movements and physiological measurements, and to a database mining tool that will allow high throughput analysis of drugs effects, and characterization of animals of different strains and genetically manipulated animals.Background of Invention[0003][0004] During the last decade new enabling technologies in molecular biology, chemistry, automation, and information technolo...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01N33/50G01N33/15G06F17/30G06F19/00G06F19/18G06F19/24G06F19/28
CPCA01K1/031G06F19/18G06F19/24G06F19/28G06Q50/22G06F19/3443G06F19/3456G06F19/3487G06F19/363G06F19/322G16H10/20G16H10/60G16H15/00G16H50/70
Inventor BRUNNER , DANIELAGONDHALEKAR , VIJAYLEAHY , EMER
Owner PSYCHOGENICS
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