近红外脑功能成像系统
仪器介绍
NIRSport2可穿戴式近红外脑功能成像系统配备了16个光源（LED，760nm和850nm）和16个探测器，通过测量认知活动过程中氧合血红蛋白和脱氧血红蛋白的变化来反映大脑皮质功能状态，采样率最高可达240Hz，支持无线或单体数据采集与实时数据处理，可应用于认知科学、精神疾病、脑机接口和视觉交互等研究领域。
参数
| Maximum number of sources | 16 |
| Maximum number of detectors | 16 |
| Source wavelengths | 760 nm & 850 nm LED |
| Sampling rate | Up to 70 - 240 Hz |
| Detection Sensor | Si Photodiode |
| Operation mode | USB, Wi-Fi or stand-alone (no computer, tablet or smartphone required) |
| Detector dynamic range | 50 dBopt |
| Sensitivity | <1 pW |
| Event Synchronization | Wireless (LSL), Cable (8 bit TTL input) |
| Data acquisition software | Aurora fNIRS - a new and easy to use cross-platform NIRSport2 acquisition software. Easily configure instrument, design a montage, stream data over LSL if needed, visualize hemoglobin data on 3D MNI head models and export your data into the .nirs format. |
| Included accessories | NIRScaps, dedicated body-pack, carrying case, trigger cable |
| Short-channels support | 8mm short channel module available, hardware and software support |
| Hyperscanning configurations | Up to 2 separate bi-lateral 8-source/8-detector arrays for two subjects |
| Spectroscopic technique | Continuous wave |
| Battery capacity | 5-6 hours |
| Dimensions (W x H x L) and weight | 162 mm x 125 mm x 60 mm; 900 g |