- 2. Senses
- 1.functions of the SENSES to organism
- A. senses give information/meaning about environment
- Some basic functions
- 1alerting function
- 2localization
- 3recognition (self, kin, others, enemies)
- 4social/sexual/reproductive communication
- B. Senses give information about internal states and "self"
- pressure, tension, glucose, oxygen, orientation, balance
- CSenses serve as a selective filter of information
- D.Three questions concerning human senses
- 2.methods of study
- A.anatomical
- 1 types of sensory cells
- 1chemical, mechanical, photo sensitive
- 2cell architecture
- 3interconnecting pathways
- 4single cell recording & neural mapping
- 5lesioned/normal comparisons
- 6 sensory "maps" in the neocortex
- the sensory-motor homonculus for humans
- B.discrimination tasks
- C.ecological inference-relation between senses and life-style
- D.development
- 3.specific input senses
- smell--recognition of molecules
- taste
- hearing
- balance
- vision (depth, acuity, color, recognition)
- color
- depth perception
- touch
- cross-modal meanings