Abstract：
:In the cat primary visual cortex, neurons are classified into the two main categories of simple cells and complex cells based on their response properties. According to the hierarchical model, complex receptive fields derive from convergent inputs of simple cells with similar orientation preferences. This model received strong support from anatomical studies showing that many complex cells lie within the range of layer IV simple-cell axons but outside the range of most thalamic axons. Physiological evidence for the model, however, has remained elusive. Here we demonstrate that layer IV simple cells and layer II and III complex cells show correlated firing consistent with monosynaptic connections. As expected from the hierarchical model, all connections were in the direction from the simple cell to the complex cell, most frequently between cells with similar orientation preferences.
journal_name
Nat Neuroscijournal_title
Nature neuroscienceauthors
Alonso JM,Martinez LMdoi
10.1038/1609subject
Has Abstractpub_date
1998-09-01 00:00:00pages
395-403issue
5eissn
1097-6256issn
1546-1726journal_volume
1pub_type
杂志文章abstract：:Most neurons in macaque area MT are selective for the direction of stimulus motion. By comparing direction selectivity for gratings and plaids, we classified MT neurons as pattern direction selective (PDS) or component direction selective (CDS). We compared the time course of responses in CDS and PDS neurons in opiate...
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更新日期：2012-06-03 00:00:00
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