| Name of the Author  | 
        Techniques to monitor PD  | 
        Results  | 
      
      
        | Ene[1]  | 
        Probabilistic Neural Network (PNN), and search    methods such as Monte Carlo Search (MCS), Incremental Search (IS) and Hybrid    Search (HS)  | 
        Accuracy between 79% and 81%  | 
      
      
        | Kostek et al. [2]  | 
        Rule based decision algorithm using the    methodology UPRDS  | 
        Rough set based decision algorithm is most    suitable  | 
      
      
        | Tian et al. [3]  | 
        Weighted fuzzy membership functions  | 
        higher accuracy of 92.82%, specificity 85.42% and    performance sensitivity 95.24%  | 
      
      
        | Gil and Johnson [4]  | 
        Support vector machines (SVMs) and artificial    neural networks (ANNs)  | 
        90% accuracy  | 
      
      
        | Iris Tienet al. [5]  | 
        Wireless sensor based  | 
        They placed the    wireless sensor based sensors at different places of the  shoe and noted the movement disorders  | 
      
      
        | Lones et al. [6]  | 
        Evolutionary algorithms  | 
        95% accuracy  | 
      
      
        | Pavel et al. [7]  | 
        Algorithms based on Hidden Markov Model (HMM)  | 
        Ability to assess gait velocity and its    Variability  | 
      
      
        | Fotiadis et al. [14]  | 
        Wearable devices  | 
        Visualize the vital signs of patients  | 
      
      
        | El-Gohary et al. [8]  | 
        Internal sensors  | 
        Ability to track tremor in PD patients  | 
      
      
        | Chen et al. [9]  | 
        Mercury Live, a web based application working in    tandem with wearable devices  | 
        Able to monitor PD  | 
      
      
        | Sant’Anna et al. [10]  | 
        Introduced symbol based symmetry index in the    early detection of Parkinson’s disease  | 
        High specificity and sensitivity  | 
      
      
        | Lorincz et al. [11]  | 
        Sensor network platform  | 
        Monitor the patients’    fall-like motions and discriminates them from actual falls  | 
      
      
        | Lorincz et al. [11]  | 
        Wearable devices  | 
        Motion analysis of    patients  | 
      
      
        | Manto et al. [12]  | 
        Wearable devices  | 
        Helped in suppression    of upper-limb tremor  | 
      
      
        | Darwish and Hassanien[13]  | 
        Wearable and    implantable body sensor networks (WIBSN)  | 
        More accuracy is    achieved with inter-disciplinary sciences  | 
      
      
        | Mario PANSRA et al. [26]  | 
        SHIMMER PLOTFORM  | 
        Results were collected    on shimmer platform and Processed the accuracy they got is about 85%  | 
      
      
        | Ron sengchang et al. [27]  | 
        Laser Lines and CMOS    Sensor  | 
        Using LASER lines they    calculated the resting tremor and the sensor is placed in shoe to identify    the movement disorder The accuracy they got is about 90%  | 
      
      
        | Bustamante bello et al. [29]  | 
        Gloves with    Accelerometers  | 
        Accelerometers Embedded    in Gloves to identify the resting tremor  | 
      
      
        | ERocon et al. [30]  | 
        Robot based Wearable    sensor(WOTAS)  | 
        They fixed the accelerometer    sensors at different places of the hand and observed the tremor of the hand.  | 
      
      
        | Barth j et al.[31]  | 
        Sensor based Pen  | 
        By the variation in    the  hand writing, which was observed    by sensor based pen  | 
      
      
        | Ming Fing Chang [28]  | 
        CAIROW (Context aware assisted    interactive Robotic Walker)  | 
        The severity of    Parkinson’s disease can be identified by walk test  | 
      
      
        | M. Elsayed[32]  | 
        Ubiquitous Health care    Monitoring  | 
        By the impairment of    walking gait  | 
      
      
        | Shamalpatel et al.  | 
        Support vector Machne  | 
        By the sensor data they    calculated the window length and checked the severity of the Parkinson’s    Disease.  | 
      
      
        | Ahmed AI jawed [33]  | 
        TUG – TIME UP AND GO  | 
        Walk test to predict    parkinson’s Disease  | 
      
      
        | Mark V et al. [35]  | 
        Determining posture from physiological tremor  | 
        The accuracy is about 75-80%  | 
      
      
        | References    [15-25]  | 
        Speech based solutions  | 
        Found relation between    PD and the change in phonetics of patients  |