41. During the late 50s gestural painting was something that Held had begun to lose interest in. 42. A gestural form of human communication exists for the deaf in the form of sign language. 43. Semiotic modes can include visual, verbal, written, gestural and musical resources for communication. 44. His research interests include Gestural interaction, AI, Machine vision, Collective intelligence and Robotics. 45. He is known for employing single but intricate gestural brush strokes in most of his works. 46. Notable examples include Japanese macaque potato washing, chimpanzee tool use, and chimpanzee gestural communication. 47. The final decade of work saw two significant stylistic shifts characterized by aspects of gestural abstraction. 48. In the other, they are all but obliterated in an allover gestural wash of black ink. 49. We assume that all the gestural language that we see as very stylized is how Max was. 50. There are gestural motifs that looked familiar, especially two arms held repeatedly forward and sometimes loosely.